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Functional Diagrams

Pin Configurations appear at end of data sheet.

Functional Diagrams continued at end of data sheet.

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71M6103/71M6113/

71M6201/71M6203/

71M6601/71M6603

Isolated Sensor ICs

DATA SHEET

June 2011

GENERAL DESCRIPTION

The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603

(71M6xxx) isolated sensor ICs enable Teridian’s 4th-generation

polyphase-metering 71M654x systems-on-chips (SoCs) to use

nonisolating sensors such as resistive shunts without the need

for costly and nonlinear i sol ation transformers or CTs. Isolation is

provi ded by low-cost pulse transform ers that form a bidirecti onal

digital communication link between the 71M654x and the

isolated sensor ICs.

The 71M6xxx isolated sensor ICs contain a 22-bit delta-sigma

ADC, an amplifier with differential inputs, a precision voltage

ref erenc e, a temperat ure sensor, and a suppl y volt age generator

that is energized by power pulses prov ided by the 71M654x.

In conjunction with the 71M654x metering SoCs, the isolated

sensor ICs of fer unpr ec edented BOM cost reduc tion, immunity to

magnetic tampering, and enhanced reliability for single-phase

and poly phase appl icati ons.

MPU

RTC

TIMERS

IADC0

VADC8 (VA)

IADC2

VADC9 (VB)

XIN

XOUT

COM0...5

V3P3A V3P3SYS

VBAT

VBAT_RTC

IADC4

VADC10 (VC)

SEG

GNDA GNDD

SEG/DIO

DIO

ICE

NEUTRAL LOAD

8888.8888

PULSES,

DIO

AMR

POWER FAULT

COMPARATOR

MODUL-

ATOR

SERIAL PORTS

OSCILLATOR/

PLL

MUX and ADC

LCD DRIVER

DIO, PULSES

COMPUTE

ENGINE

FLASH

MEMORY

RAM

32 kHz

REGULATOR

Shunt Current Sensors

POWER SUPPLY

TERIDIAN

71M6543F/

71M6543H

TEMPERATURE

SENSOR

VREF

IADC6

BATTERY

PWR MODE

CONTROL

WAKE-UP

NEUTRAL

C or µWire

EEPROM

9/17/2010

IADC1

IADC3

IADC5

IADC7

RTC

BATTERY

V3P3D

BATTERY

MONITOR

SPI INTERFACE

HOST

LCD DISPLAY

Resistor Dividers

Pulse Transformers

3x TERIDIAN

71M6xx3

Note: This system is referenced to Neutral

71M6xx3

}IN*

}IA

}IB

}IC

*IN = Neutral Current

FEATURES

• 0.1% Acc ur ac y Ov er 2000:1 Cur r ent

Range

• Exceeds IEC 62053/ANSI C12.20

Standards

• Compatible with Shunt Resistor s a s Low

as 50µΩ

• On-Chip Temperature Sensor Enables

Localized D igita l Temperature

Compensat ion by the 71M654x

• 22-Bit ADC

• Powered fr om the 71M654x Usi ng P ulses

Sent Through the Transfor mer

• 3.3mW Typical Consumption

• On-Chip Power Monitoring

• Industrial Te mperature Range

• 8-Pin Lead( P b) -Free S O Package

19-5704; Rev 6/11

PDS_6xxx_010 71M6xxx Data Sheet

Table of Contents

1 Hardware Descriptio n ............................................................................................................ 4

2 Functio nal Description .......................................................................................................... 4

3 Applications Information ....................................................................................................... 5

3.1 Product Selection.................................................................................................................. 5

3.2 Ext ernal Co mponents for t he 71M6xxx ................................................................................ 6

3.2.1 Current Sensor Side .................................................................................................... 6

3.2.2 Pulse Transf ormer ....................................................................................................... 6

3.3 Co nn ect ions to Sensors and to th e 71M654x ...................................................................... 7

3.4 PCB Layout Considerations ................................................................................................. 9

3.5 Co mpatibility wi t h the 71M 654x.......................................................................................... 10

4 Specifications ...................................................................................................................... 11

4.1 Absolute Maximum Rat ings................................................................................................ 11

4.2 Reco mmended External Components ............................................................................... 11

4.3 Reco mmended Operating Conditions ................................................................................ 11

4.4 Perf ormance Speci f ications ............................................................................................... 12

4.4.1 Supply Cur r ent .......................................................................................................... 12

4.4.2 Power and Data Pulses ............................................................................................. 12

4.4.3 VCC Voltage Monitor ................................................................................................. 12

4.4.4 Temperat ur e S ensor.................................................................................................. 12

4.4.5 VREF Perfor mance Specifications ............................................................................. 13

4.4.6 ADC Converter .......................................................................................................... 14

4.5 Typical Perf orman ce Dat a .................................................................................................. 15

4.6 Package Outl in e Drawi ng ................................................................................................... 16

4.7 IC Pinout .............................................................................................................................. 17

4.8 Pin Descript io n.................................................................................................................... 17

5 Orderin g I nformation ........................................................................................................... 18

6 Related In format ion ............................................................................................................. 18

7 Contact Information ............................................................................................................. 18

PDS_6xxx_010 71M6xxx Data Sheet

Figures

Figure 1: Block Diagr am .......................................................................................................................... 4

Figure 2: External Components Connec ted to the 71M 6xxx ..................................................................... 7

Figure 3: Current Sensors Connected to the 71M 6541D/F Usi ng One 71M6x 01 ....................................... 8

Figure 4: Current Sensors Connected to the 71M 6543F/ H or 71M 6545/H with Three 71M6xx3 ................ 9

Figure 5: Copper Separation and Signal Trac es for a Polyphase PCB .................................................... 10

Figure 6: Wh Error at Room Temper ature ( 71M 6203, 100A /0.1A, 60Hz/240V A C) ................................. 15

Figure 7: VARh Error at Room Temper ature ( 71M 6203, 100A/0. 1A , 60Hz/240V AC) ............................. 15

Figure 8: SOIC-8 Package O utline ......................................................................................................... 16

Figure 9: Pinout for 8-Pin SO Package .................................................................................................. 17

Tables

Table 1: Remote Interface Commands ..................................................................................................... 5

Table 2: Product Variations ...................................................................................................................... 6

Table 3: Absolute M aximum Ratings ...................................................................................................... 11

Table 4: Recom mended External Components ...................................................................................... 11

Table 5: Recom mended Oper ating Conditions ....................................................................................... 11

Table 6: Supply Current Performance Specif ic ations .............................................................................. 12

Table 7: Timing Specifications for Power and Data Pulses ..................................................................... 12

Table 8: VCC V oltage Monitor S pecifications ......................................................................................... 12

Table 9: Temperature S ensor Spec ifications .......................................................................................... 12

Table 10: VREF Perf ormance S pecifications .......................................................................................... 13

Table 11: ADC Convert er Specifications ................................................................................................ 14

Table 12: Pin Description ....................................................................................................................... 17

Table 13: Product Var iations .................................................................................................................. 18

Table 14: Packaging I nformation, Corr espondi ng CE Codes, and Order ing Numbers ............................. 18

PDS_6xxx_010 71M6xxx Data Sheet

1 HARDWARE DESCRIPTIO N

The 71M6103/71M6113/71M6201/71M6203/71M6601/71M6603 (71M6xxx) remote sensor ICs integrate

all functional blocks required to implement an isolated front-end with digital communication capability.

Figure 1 shows the 71M6x x x IC block diagram . The chip includes the following:

• Preamplifier with a fixed gain

• 22-bit delta-sigma ADC

• ADC volt age r ef er enc e

• Temperature sensor

• VCC monitor

• Power-on reset circuitry

• Bidir ec tional pulse i nterface

• Active rectifiers for supply-voltage generation from the power pulses provided by t he 71M654x

• Digit al c ontrol section providing cont r ol r egister s for the selection of operation modes

PLL

PULSEIO

Secondary

ACTIVE

RECTI-

FIERS

GND VCC

RD_DATA

DIGITAL SECTION

INP

INN

ADC

ADC_CLK ADC_OUT

BAND

GAP

CHOP

IBIAS TEMP/VCC

MONITOR

OTP MEMORY

BUFFER

VREF

VBIAS

TEST

DATA_IN[15:0]

CROSS

VCC

WR_DATA

POWER

RESET RESET

RD_CLK

VDD

RD_DATA

PREAMP

Primary

1:1.1

71M654X

SHUNT

Figure 1: Block Diagram

2 FUNCTIONAL DESCRIPTION

During normal operation, the SP and SN pins of the 71M6xxx are connected to the pulse transformer.

When PLL_FAST = 1 in the 71M654x, power pulses generated by the 71M654x arrive every 610.35ns.

The PLL in the 71M6xxx locks to these incoming power pulses. The communication between the

71M654x and the 71M6xxx is synchronized to the multiplexer frames of the 71M654x. The

communication protocol is Teridian-proprietary, and details are not described in this data sheet. All

aspects of the communication between the 71M654x and the 71M6xxx are managed on the hardware

lev el and they are compl etely transparent to the user.

The communication interface can run at two different data rates. Power pulses are generated every

610.35ns if the PLL_FAST register i n t he 71M 654x is set to 1, and ev ery 1. 905µs i f PLL_FAST i s set to 0.

The power pulse s are 101. 7ns wide with PLL_FAST = 1, and 160ns wide with PLL_FAST = 0.

PDS_6xxx_010 71M6xxx Data Sheet

The 71M6xxx isolated sensors prov ide a continuous data stream of ADC data plus an independent dat a

stream that contains auxiliary information as requested by the 71M654x. The ADC data is processed by

CE code in the 71M654x and stored in CE RAM. Auxiliary information is processed by the MPU of the

71M654x using I/O RAM regi ster s.

Basic settings and functions of the 71M6xxx can be controlled by various I/O RAM registers in the

71M654x. The comm and sent towards the 71M6xxx is plac ed in t he RCMD[4:2] register of t he 71M654x,

with further specification contained in the TMUXRn[2:0] register. Refer to the 71M654x data sheets for

details.

Table 1 shows the all owabl e combinat ions of v alues in RCMD[4:2] and TMUXRn[2:0] , and the achiev ed

operation al ong with t he type and format of data sent bac k by the 71M6xxx isolated sensors.

Table 1: Remo t e Interface Commands

RCMD[4:2] TMUXRn[2:0]

Read

Operation/Command

R6K_RD [15:0]

001

00X

Chip-characteristic

temper ature data

TRIMT (see note), use bits [8:1]

001

01X

TRIMBGC (see note), use bits [15:6]

001

10X

TRIMBGA (see note), use bits [15:8]

001 11X

TRIMBGB bits [15:8], TRIMBGD bits [7:0]

(see note)

010

00X

Temperature

Out put of the temperature sensor, bit s [10:0]

010

01X

Supply voltage

Suppl y v oltage measurem ent , bits [7:0]

010

10X

Chip version

Chip version code, use bits [15:8]

110

111

Reset

—

Note: TRIMBGA

to TRIMBGD and TRIMT are values used for characterizing the individual 71M6xxx over temperature. Availability

of TRIMBGA to TRIMBGD and TRIMT depends on the part number (see Table 10 for d et a ils ).

The rem ote i nterfac e commands li sted in Table 1 enabl e the 71M 654x t o gather the f oll owing i nform ation

from the 71M6 xxx:

• Output of the temperature sensor

• Information on how the device is characteri z ed ov er tem per ature

• Supply voltage

• Chip version c ode

The control commands listed in Table 1 enable the 71M654x to initiate the following actions in the

71M6xxx:

• Read the 71M6xx x temperature sensor

• Read the 71M6xx x V CC sensor

• Hardware reset

With hardwar e and temperature characterization informat ion on each connected 71M6xxx isolated sensor

available to the 71M654x host MPU, temperature compensation of the energy measurement can be

implemented based on the individual temperature characteristics of the 71M6xxx isolated sensors. For

example, when the 71M6xxx are used in a polyphase meter containing three shunt resistors, the

temperature increase in each 71M6xxx can be monitored and used to compensate for the temperature

coeffici ent of the 71M 6xxx V REF and the cor r espondi ng shunt resistor.

3 APPLICATIONS INFORMATION

3.1 Product Selection

A l ow-noi se dif f erenti al-input pr eam plif i er appli es gain to t he signal f rom the cur rent sen sor to the opt im al

input range of the ADC. T he c ur r ent sensor is connected to the inputs of the pream plifier through INP and

INN. The output of the pr eam plif i er connect s direc tly t o the input of the A DC. See 5 Ordering Information

for available part types. Shunt resistances from 736µΩ to as low as 50µΩ can be accommodated,

depending on desi r ed c ur r ent range and part type.

PDS_6xxx_010 71M6xxx Data Sheet

The shunt resistance must be balanced with the maximum current range of the part type, as shown in

Table 2. Various combinations of current ranges and shunt resi st ance values are possible. Howev er, the

shunt resistance for a given current has to be chosen carefully as not to exceed the maximum RMS

voltage at the INP/INN pins of the 71M6xxx. The maximum wattage of the shunt resistor is another

consideration that applies to the resistance r ange of t he shunt.

Table 2: Product Variations

Part Application1 Maximum

Current

(A)

Accuracy

Class2

(%)

Maximum

RMS

Voltage at

INP/INN

(mV)

Maximum

Shunt

Resistance3

(

µΩ)

Shunt

Power4

(W)

Typical

Shunt

Resistance5

(

µΩ)

71M6601

44 736 1.44 400

71M6603 P 1

71M6103 P 100

19.6 196 1.2 120

71M6113

0.5

71M6201 S 200 0.2 12.6 63 2.0 50

71M6203

0.2

Not e 1: S = single phase, P = polyphase .

Not e 2: Accuracy over temperature (-40°C to +85°C for 71M620x par ts, -20°C t o +60° f or all ot h er p arts ) , w h en c om bi ned with

71M654x or 71M654xH IC.

Not e 3: Maximum re sistance at maximum current.

Not e 4: Power at maximum current and typical shunt resistance.

Not e 5: Typical resistance values provide room for over h ead w hil e m ain tain in g opt im um dynamic r an g e.

The i nputs of the pream plif ier are ref erenced to l ocal ground (the GND pi n of the 71M6xxx). This means

that in an isolated system, the INP and INN pins have to be biased towards this local GND. See 3.2.1

Current S ensor Side for details.

3.2 External Components for the 71M6xxx

3.2.1 Current Se nsor Side

Figure 2 shows the external components required for the 71M6xxx. It is recommended to use the

following components:

• 1.0µF capacitor between the GND and VCC pins. This capacitor minimizes the VCC ripple

voltage.

• One 1kΩ resi stor eac h fr om the sensor output pins to GND. These r esistors h elp to bias the input

v oltage at the INP and INN pins towards GND.

• In envi ronment s where E MC i s a concern, fer rite beads c an be plac ed between the sense pins of

the shunt resi stor and the INP/INN pins of the 71M6xxx.

3.2.2 Pulse Tra nsformer

A low-cost pulse transformer is used for the link between the 71M654x and the 71M6xxx. It is the

responsibili ty of the meter system designer to qualify the transformer used in the system ov er the required

operating temperature range. The following commercially available transformer is suitable for this

application:

• Wü rth Elec tronics Midcom Inc., P/N 750-11-0056 REV 2 (www.midcom-inc.com)

PDS_6xxx_010 71M6xxx Data Sheet

Current Shunt

Sensor

Pulse

Transformer

TERIDIAN

71M654x

TERIDIAN

71M6xxx

VCC

GND

INP

INN

1 kΩ

1.0 µF

V3P3A

IAP

IAN

Load

Voltage

Sensing

8 2 34

5671

TEST

Figure 2: External Componen t s Connect ed to the 71M 6xxx

3.3 Connections to Sensors and to the 71M 654x

Figure 3 shows the sensor connections for single-phase meter application using a 71M6541D/F and

71M6x01. This single-phase conf iguration uses one local shunt and one shunt isolated with a 71M6x01

device. Since the local shunt is connected to the LINE circuit, the meter is also referenced to the LINE

circuit.

Figure 4 shows the sensor connections for a polyphase meter application using a 71M6543F/H or

71M6545/H. This polyphase conf igurati on use s three 71M6xx3 to isolate the shunt sensors f or the t hree

phases, while a locally connected fourth shunt sensor can be optionally used to sense neutral current.

Si nc e the local shunt is connected to t he neutral circuit, the meter is also refer enc ed to the neutral circuit.

PDS_6xxx_010 71M6xxx Data Sheet

MPU

RTC

TIMERS

IAP

IBP

XIN

XOUT

COM0...5

V3P3A V3P3SYS

VBAT

VBAT_RTC

SEG

GNDA GNDD

SEG/DIO

DIO

ICE

LINE

NEUTRAL

LOAD

8888.8888

PULSES,

DIO

AMR

POWER FAULT

COMPARATOR

MODUL-

ATOR

SERIAL PORTS

OSCILLATOR/

PLL

MUX and ADC

LCD DRIVER

DIO, PULSES

COMPUTE

ENGINE

FLASH

MEMORY

RAM

32 kHz

REGULATOR

Shunt

POWER SUPPLY

TERIDIAN

71M6541D/F

TEMPERATURE

SENSOR

VREF

BATTERY

PWR MODE

CONTROL

WAKE-UP

NEUTRAL

C or µWire

EEPROM

IAN

IBN

RTC

BATTERY

V3P3D

BATTERY

MONITOR

SPI INTERFACE

HOST

LCD DISPLAY

Resistor Divider

Pulse

Trans-

former

TERIDIAN

71M6x01

Shunt

LINE

Note:

This system is referenced to LINE

11/5/2010

Figure 3: Current Senso rs Connect ed to the 71M 6541D/F Using One 71M6x01

PDS_6xxx_010 71M6xxx Data Sheet

MPU

RTC

TIMERS

IADC0

VADC8 (VA)

IADC2

VADC9 (VB)

XIN

XOUT

COM0...5

V3P3A V3P3SYS

VBAT

VBAT_RTC

IADC4

VADC10 (VC)

SEG

GNDA GNDD

SEG/DIO

DIO

ICE

NEUTRAL

LOAD

8888.8888

PULSES,

DIO

AMR

POWER FAULT

COMPARATOR

MODUL-

ATOR

SERIAL PORTS

OSCILLATOR/

PLL

MUX and ADC

LCD DRIVER

DIO, PULSES

COMPUTE

ENGINE

FLASH

MEMORY

RAM

32 kHz

REGULATOR

Shunt Current Sensors

POWER SUPPLY

TERIDIAN

71M6543F/

71M6543H

TEMPERATURE

SENSOR

VREF

IADC6

BATTERY

PWR MODE

CONTROL

WAKE-UP

NEUTRAL

I2C or µWire

EEPROM

9/17/2010

IADC1

IADC3

IADC5

IADC7

RTC

BATTERY

V3P3D

BATTERY

MONITOR

SPI INTERFACE

HOST

LCD DISPLAY

Resistor Dividers

Pulse Transformers

3x TERIDIAN

71M6xx3

Note: This system is referenced to Neutral

71M6xx3

}

IN*

}

*IN = Neutral Current

Figure 4: Current Senso rs Connect ed to the 71M 6543F/H or 71M6545/H w it h Thr e e 71M6xx3

3.4 PCB Layout Considerations

To limi t em issions and susceptibility to electrom agnetic and magnet ic fields, the signal wir ing between the

shunt re sistor s and t he 71M 6xxx shoul d be as sh ort a s pos sibl e and shoul d con sist of t ightl y t wi sted pai r

cable. Similarly, the PCB traces between the 71M6xxx and the 71M654x should be routed as short as

possible and should be surrounded by grounded copper structures. The trace pairs should be routed as

cl ose to eac h other as perm itted by t he PCB manufac turer .

The copper separation (gap) between the shunt side and the 71M654x side of the signal transformer

should be as wide as permitt ed by the f ootprint of the transform er , as sho wn in Figure 5.

PDS_6xxx_010 71M6xxx Data Sheet

Figure 5: Copper Separati on and Signal Traces for a P olyphase PCB

3.5 Compatibility with the 71M654x

The 71M6xxx isolated sensor IC s are designed t o be operated in conjunction with t he 71M654x energy-

metering ICs. Operation of the 71M6xxx isolated sensor ICs requires a 71M654x IC with CE code

capable of interfacing with the 71M6xxx. CE codes written for operation with CTs do not work with the

71M6xxx.

The 71M6xxx isolated sen sor ICs are not arbitrarily interchangeabl e. Each t ype of t he 71M6xxx m ust be

matched with its corresponding CE code in the 71M654x per Table 14. A 71M6xxx remote sensor IC

generates unpredictable results when paired with a CE code for a different part number. All 71M6xxx

isolated sensor ICs used i n a polyphase system m ust be of the same part number.

Signal traces

Isola tion ga p

Transformers

PDS_6xxx_010 71M6xx x Data S heet

4 SPECIFICATIONS

4.1 Absolute Maximum Ratings

Table 3 shows the absolute maximum ranges for the device. Stresses beyond Absolute Maximum

Ratings may cause permanent damage to the device. These are stress ratings only and functional

operation at these or any other conditions beyond those indicated under recommended operating

conditions (4.3 Recommended Operating Conditions) is not implied. Exposure to absolute maximum

ratings conditions for extended peri ods may affect device reliabilit y. All voltages are with r espect to GND.

Table 3: Absolu t e Maximum Ratings

SUPPLIES AND GR OUND PINS:

VCC

-0.5V to 4.6V

GND

-0.1V to +0.1V

ANALOG INPUT P INS:

INP, INN, SP, SN -10mA to +10mA,

-0.5V to (VCC + 0.5V)

TEMPERATURE:

Operating Junction Temperature (Peak, 100ms) +140°C

Operating Junction Temperature (Continuous) +125°C

Sto rage Temperat ure Ra nge -45°C to +165°C

Soldering Temperature (10s dur ation) +250°C

4.2 Recommended External Component s

Table 4: Reco mmend ed Ext ernal Components

NAME FROM TO FUNCTION VALUE UNITS

C1 VCC GND Bypass capacitor for supply 1.0 µF

R1, R2 Sensor GND To establish prope r bias for INP/INN pins 1 kΩ

4.3 Recommended Operating Conditions

Table 5: Reco mmend ed Operat ing Conditions

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC Supply Voltage

2.5 3.6 V

Operating Temperature Range

-40 +85 ⁰C

PDS_6xxx_010 71M6xx x Data S heet

4.4 Performance Specifications

Unless otherwise specified, all parameters listed in this section are valid over the Recommended

Operating Conditions pr ov ided in Table 5.

4.4.1 Supply Current

Table 6: Supply Current Performance Specifications

PARAMETER CONDITIONS MIN TYP MAX UNITS

VCC Curre nt, Norma l Operation VCC = 3.3V 0.77 1.05 mA

4.4.2 Power and Data Pulses

Table 7: Timin g Speci f ications for Power and Data Pul ses

PARAMETER CONDITIONS MIN TYP MAX UNITS

Pulse Frequency

Normal operation

1.638

MHz

71M654x (PLL_FAST = 0)

0.5249

4.4.3 VCC Voltage Monitor

Table 8: VCC Vo lt a ge Monitor S pe c ifica tions

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

BN OM : N omin al Valu e, TA = +2 2°C VCC = 3.2V 138 LSB

VCC Volt a g e (Note: This is a de f inition —

it i s not a mea sured quantity.) VCC = 3.1 95 + (BSENSE - 138) x 0.0246 + STEMP x

0.000104 V

BE: Measur ement Error

VCC = 3.195 + (BSENSE - 138) x 0.0246

+ STEMP x 0. 000104

VCC = 2.5V -5 +5 %

VCC = 2.8V to 3.6V -5 +5

4.4.4 Te mperature Sensor

Table 9: T emperature Sensor Specificat ions

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

TNO M : Nom inal V alu e, TA = +22

VCC = 3.2V

870

LSB

Temperature E quat ion for:

71M6601, 71M6603, 71M6103 and

71M6113

(Note: This is a definition—it is not a

m easured quantity.)

TEMP = STEMP x 0. 33 - STEMP2 x 3E-5 + 2 2 ºC

Temperature E quat ion f or:

71M6201 and 71M6203

(Note: This is a definition—it is not a

m easured quantity.)

If STEMP < 0:

TEMP = STEMP x 0. 33 - STEMP2 x 3E-5 + 2 2

If STEMP ≥ 0:

TEMP = STEMP x (63 / TRIMBGA) + 22

⁰C

Temperature Error (Note 1) Temp erature =

-40°C, -10°C,

+55°C, +85°C

VCC =

2.8V to

3.6V

-5 +5

ºC

VCC =

2.5V to

2.79V -6.5 +6.5

TETIME: Duration of Temperature

Measurement

VCC = 3.0V 15 30 ms

Not e 1: Guaranteed by design; not production tested.

PDS_6xxx_010 71M6xx x Data S heet

4.4.5 VREF Performance Specifications

Table 10 shows the performance specifi c ations for the ADC reference voltage (VREF).

Table 10: VREF Performance Specifications

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VREF Out put Volt age

71M6201, 71M6203,

71M6113: TA = + 22

1.193 1.195 1.197 V

71M6601, 71M6603,

71M6103: TA = + 22

1.180 1.195 1.210

VREF Out put Im pedance ILOAD = 10µA, -10µA

on TMUXO UT 8 kΩ

VREF Power-Supply Sensitivity:

ΔVREF/ΔVCC

VC C = 2.8 V to 3.6V

-1.5

+1.5

mV/V

VC C = 2.5 V to 3.6V

-2

VREF Chop Step (Trimm ed)

VREF(CROSS = 1) -

VREF(CROSS = 0)

-22 0 +22 mV

VNOM Defin ition

VNOM(T) = VREF (2 2 ) + ( T - 22)TC1 + (T - 22)2TC2

71M6201 AND 7 1M6 2 03 ( 0.2 % ACCURACY CLASS)

VN OM Temperature Coefficien ts:

TC1, TC2

TC1 = 0.0538 x TRIMT + 1.587( TRI MBG B - TRI MBG D ) +

27.279

µV/°C

TC2 = -0.433 - TRIMT x 0.000854

VR EF(T ) Deviatio n f rom VNOM( T) (Note 1)

)( )()( 6

TVNOM TVNOMTVREF −

-15 +15 ppm/°C

71M 6 113 (0.5 % ACCURACY CLASS)

VN OM Temperature Coefficien ts:

TC1, TC2

TC1 = 251 - TRIMT x 4.60

µV/°C

TC2 = -0.433 - TRIMT x 0.000854 µV/°C

VR EF(T ) Deviatio n f rom VNOM( T) (Note 1)

)( )()( 6

TVNOM TVNOMTVREF −

-50 +50 ppm/°C

71M6601, 71M6603, AND 71M6103 (1% ACCURACY CLASS)

VN OM Temperature Coefficien ts:

TC1, TC2

TC1 = -34.8

µV/°C

TC2 = -0.599

VR EF(T ) Deviatio n f rom VNOM( T) (Note 1)

)( )()( 6

TVNOM TVNOMTVREF −

-100 +100 ppm/°C

Not e 1: Guaranteed by design; not production tested.

PDS_6xxx_010 71M6xx x Data S heet

4.4.6 ADC Converter

Table 11: ADC Con vert er S pecifications

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Cur r ent I NP and INN at

GND pot ential INP 22 µA

INN 22

THD (First 10 Harmonic s)

VIN = 65Hz, 64kpts

F F T, Blackma n -Harris

window

-85 dB

PDS_6xxx_010 71M6xx x Data S heet

4.5 Typical Performance Data

Figure 6: Wh Error at R oom Temperature (71M6203, 100A/0.1A, 60Hz/240V AC)

Figure 7: VARh E rror at Room Temperature ( 71M6203, 100A/0.1A, 60Hz/240V AC)

0.5

0.4

0.3

0.2

0.1

0.2

0.3

0.4

0.5

0.1

100

150

VARh Polyphase Load Line with 150

µΩ

Shunt

0.5

0.4

0.3

0.2

0.1

0.2

0.3

0.4

0.5

0.1

100

300

180

Wh Polyphase Load Line with 50

µΩ

Shunts

PDS_6xxx_010 71M6xx x Data S heet

DETAIL A

PARTING

LINE

5°

+3°

-5° 0.64

+0.25

-0.23

4.6 Package Outline Drawing

Controlli ng dim ensi ons are in mm .

Figure 8: SOIC-8 Package Outline

BOTTOM VIEW

SIDE VIEW

SEE

DETAIL A

END VIEW

TOP VIEW

5.99

+0.21

-0.05

1.97

2.465

COO

4.93 -0.13

+0.05

0.41

+0.08

-0.06

1.27 BSC 0.33

±0.08

x 45°

1.63 +0.10 -0.08

0.15

+0.1 -

0.023

SEATING

PLANE

1.47

+0.08

-0.07

3.94

+0.05

-0.13

0.20

+0.05

-0.01

LENGTH OF TERMINAL FOR SOLDERING TO SUBSTRATE

FORMED LEADS ARE PLANAR WITH RESPECT TO EACH OTHER

WITHIN 0.735 mm AT SEATING PLANE.

COUNTRY OF ORIGIN LOCATION ON PACKAGE BOTTOM IS

OPTIONAL AND DEPENDS ON ASSEMBLY LOCATION.

PACKAGE IS COMPLIANT WITH JEDEC STANDARD MS-012.

REFERENCE DATUM

LENGTH AND WIDTH ARE REFERENCE DATUMS AND DO NOT

INCLUDE MOLD FLASH OR PROTRUSIONS, BUT INCLUDE MOLD

MISMATCH. MEASURED AT THE MOLD PARTING LINE.

PROTRUSIONS DO NOT EXCEED 0.1524 mm AT END AND 0.254

mm AT WINDOW.

THE APPEARANCE OF PIN #1 I.D. IS OPTIONAL.

DIMENSIONING AND TOLERANCES PER ANSI Y14.5 M - 1982

NOTES:

PDS_6xxx_010 71M6xx x Data S heet

4.7 IC Pinout

VCC TEST

GND NC

INP

INN

Figure 9: Pinout for 8-Pin SO Package

4.8 Pin Description

Table 12: Pin Description

Pin Name Function

1 VCC Supply Voltage Output. A 1.0µF capacitor to GND should be provided.

2 SP Posit ive Bidir ectional Communication Port for the Connecti on of t he Pul se

Transformer

3 SN Negative Bidirectional Communi c ation P or t f or the Connection of the P ulse

Transformer

4 GND Ground (Local Ground). The voltage at the INP and INN pins references to

this pin.

5 NC No Connection. No connect ions must be made to this pin.

6 INP Pos itive Analog Input from Sensor. This input must be biased tow ards

GND wit h a 1kΩ resistor.

7 INN Negat ive Analog I nput f r om Sensor. This input m ust be biased toward s

GND with a 1kΩ resistor.

8 TEST Input Used in F actor y for Test Pur poses. This pin must be connect ed to

GND.

PDS_6xxx_010 71M6xx x Data S heet

5 ORDERING INFORMATION

Table 13: P rod uct Variations

Part Application Rated Current

(A)

Max Input

Voltage at

INP-IN N P i ns

(mV)

Temp Range

(

Typ Operating

Temp Range

(

Recommended

Meter Accuracy

Class

(%)

Max Shunt

Resistance

(

µΩ

)

71M6601 1-phase 60 44

-40 t o +85

-20 to +60 1 736

71M6603 3-phase

71M6103 3-phase 100 19.6 -20 to +60 1 196

71M6113 3-phase 0.5

71M6201 1-phase 200 12.6 -40 to +85 0.2 63

71M6203 3-phase

Table 14: P ackaging Informati on, Co rresponding CE Codes, and Ordering Numbers

Part

Packaging

71M654x CE Co de

Ord erin g Nu mber

71M6601 bulk EQU0-60 71M6601-IL/F

71M6601 tape and reel 71M6601-ILR/F

71M6603 bulk EQU5-60 71M6603-IL/F

71M6603 tape and reel 71M6603-ILR/F

71M6103 bulk EQU5-100 71M6103-IL/F

71M6103 tape and reel 71M6103-ILR/F

71M6113 bulk EQU5-100 71M6113-IL/F

71M6113 tape and reel 71M6113-ILR/F

71M6201* bulk EQU1-200, EQU2-200 71M6201-IL/F

71M6201* tape and reel 71M6201-ILR/F

71M6203* bulk EQU5-200 71M6203-IL/F

71M6203* tape and reel 71M6203-ILR/F

Note: All devices ar e lead(Pb) -free/RoHS-compliant packages.

*Future product—c o nt ac t f ac tory f or av a il a b ility .

6 RELATED INFORMATION

The follow ing docu ments rela ted to the 71M6xxx are availab le fro m Teridian:

71M6543F/H Data Sheet

71M6541D/F-71M6542F Dat a S heet

71M6545/H Data Sheet

7 CONTACT INFORMATION

For technical support or more information about Maxim products, contact technical support at

www.maxim-ic.com/support.

PDS_6xxx_010 71M6xxx Data Sheet

REVISION HISTORY

REVISION

NUMBER REVISION

DATE DESCRIPTION PAGES

CHANGED

1.0 12/10 Initial release —

1.1 3/11

Figure 1, page 4 (transformer turns ratio 1:1.1)

Table 9, page 12

Table 14, page 18 4, 12, 18

1.2 6/11

Removed future status from the 71M6113 parts in

Table 14 18



Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied.

Maxim reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical

Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.