REF01CP - Linear Technology

REF-01/REF-02

15V

–15V

412Ω*

1/2W

357Ω*

1/2W

350Ω

BRIDGE

ACTIVE

ELEMENT

20k

2M R6

2M**

–

GAIN = 100

LT1001

†

LT307

IN OUT

GND

REF-02

REDUCES REFERENCE AND AMPLIFIER LOADING.

IF R6 = R3, BRIDGE IS NOT LOADED BY R2 AND R4.

A1 V

AND DRIFT ARE NOT CRITICAL.

†

TA01a

–5V

APPLICATIO S

DESCRIPTIO

FEATURES

TYPICAL APPLICATIO

■

A/D and D/A Converters

■

Precision Regulators

■

Constant Current Sources

■

V/F Converters

■

Bridge Excitation

■

Trimmed Output ±0.3%

■

Low Drift—5ppm/°C Typ

■

Low Noise—3ppm

(P-P)

■

High Line Rejection

■

Temperature Output—REF-02

■

Low Supply Current 1.4mA Max

Precision

Voltage References

The REF-01/REF-02 are precision 10V and 5V bandgap

references which provide stable output voltages over a

wide range of operating conditions. Output voltage is

accurate to ±0.3% with a low 5ppm/°C typical temperature

coefficient. The REF-01 and REF-02 are excellent choices

for applications where low drift, moderate accuracy, low

power consumption and low cost are considerations.

The REF-02 includes a temperature output pin which

provides a linear voltage proportional to absolute tem-

perature.

For lower drift and higher accuracy references, please see

the LT1019 and LT1021 data sheets.

, LTC and LT are registered trademarks of Linear Technology Corporation.

Ultra Linear Strain Gauge Amplifier Output Voltage Temperature Drift

TEMPERATURE (°C)

–50

OUTPUT VOLTAGE (NORMALIZED)

1.003

1.002

1.001

1.000

0.999

0.998

0.997 25 75

TA01b

–25 0 50 100 125

0°C TO 70°C BOX GUARANTEED FOR

REF-01E AND REF-02E (8.5ppm/°C)

FULL TEMP RANGE BOX GUARANTEED FOR

REF-01A AND REF-02A (8.5ppm/°C)

REF-01/REF-02

REF-01/REF-02 A, E, H ............................................ 40V

REF-01C/REF-02C ................................................... 30V

Power Dissipation.............................................. 500mW

Output Short-Circuit Duration

To Ground ................................................... Indefinite

To V

≤ 16V ............................................... Indefinite

To V

> 16V............................................Not Allowed

ORDER PART

NUMBER

REF01AH

REF01H

REF01EH

REF01HH

REF01CH

ABSOLUTE AXI U RATI GS

PACKAGE/ORDER I FOR ATIO

UUW

(Note 1)

ELECTRICAL CHARACTERISTICS

VIN = 15V, TA = 25°C unless otherwise noted.

REF-01A/E, REF-02A/E REF-01H, REF-02H

SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS

Output Voltage I

= 0mA REF-01 9.97 10 10.03 9.95 10 10.05 V

REF-02 4.985 5 5.015 4.975 5 5.025 V

Output Adjustment Range R

= 10kΩREF-01 ±3 5, –27 ±3 5, –27 %

REF-02 ±3 5, –13 ±3 5, –13 %

nP-P

Output Voltage Noise 0.1Hz to 10Hz (Note 7) REF-01 20 20 µV

P-P

REF-02 10 10 µV

P-P

Input Voltage Range REF-01 12 40 12 40 V

REF-02 7 40 7 40 V

∆V

OUT

Line Regulation (V

OUT

+ 3V) ≤ V

≤ 33V 0.0001 0.010 0.0001 0.010 %/V

∆V

(Note 2)

∆V

OUT

Load Regulation I

= 0mA to 10mA REF-01 0.0005 0.008 0.0005 0.010 %/mA

∆I

OUT

(Note 2) REF-02 0.0010 0.010 0.001 0.010 %/mA

Quiescent Supply Current No Load 0.65 1.4 0.65 1.4 mA

OUT

Load Current 10 20 10 20 mA

Sink Current –0.3 –20 –0.3 –20 mA

Short-Circuit Current V

= 0V 25 25 mA

Temperature Voltage Output (Note 3) REF-02 Only 620 620 mV

Consult LTC Marketing for parts specified with wider operating temperature ranges.

Storage Temperature Range ................. –65°C to 150°C

Operating Temperature

REF-01/REF-02, REF-01A/REF-02A ...–55°C to 125°C

REF-01E/REF-02E, REF-01H/REF-02H,

REF-01C/REF-02C, REF-01D/REF-02D .... 0°C to 70°C

Lead Temperature (Soldering, 10 sec).................. 300°C

ORDER PART

NUMBER

REF02AH

REF02H

REF02EH

REF02HH

REF02CH

REF02DH

TOP VIEW

NC*

INPUT OUTPUT

TRIM

TEMP**

GND (CASE)

H PACKAGE

8-LEAD TO-5 METAL CAN

*INTERNALLY CONNECTED. DO

NOT CONNECT EXTERNALLY.

**DO NOT CONNECT ON REF-01

JMAX

= 150°C, θ

= 150°C/W, θ

= 45°C/W

TOP VIEW

NC*

INPUT

TEMP**

GND

NC*

OUTPUT

TRIM

N8 PACKAGE

8-LEAD PDIP

J8 PACKAGE

8-LEAD CERDIP

*INTERNALLY CONNECTED. DO

NOT CONNECT EXTERNALLY.

**DO NOT CONNECT ON REF-01

JMAX

= 100°C, θ

= 130°C/W

JMAX

= 150°C, θ

= 100°C/W

REF01EN8

REF01HN8

REF01CN8

REF01EJ8

REF01HJ8

REF01CJ8

REF02EN8

REF02HN8

REF02CN8

REF02DN8

REF02EJ8

REF02HJ8

REF02CJ8

REF02DJ8

OBSOLETE PACKAGE

Consider the N Package for Alternate Source OBSOLETE PACKAGE

Consider the N Package for Alternate Source

REF-01/REF-02

ELECTRICAL CHARACTERISTICS

VIN = 15V, TA = 25°C unless otherwise noted.

REF-01C, REF-02C REF-02D

SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS

Output Voltage I

= 0mA REF-01 9.9 10 10.1 V

REF-02 4.95 5 5.05 4.9 5 5.1 V

Output Adjustment Range R

= 10kΩREF-01 5, –27 %

REF-02 ±2.7 5, –13 ±2 5, –13 %

nP-P

Output Voltage Noise 0.1Hz to 10Hz (Note 7) REF-01 30 µV

P-P

REF-02 12 12 µV

P-P

∆V

OUT

Line Regulation (V

OUT

+ 3V) ≤ V

≤ 33V 0.0001 0.015 0.0001 0.04 %/V

∆V

(Note 2)

∆V

OUT

Load Regulation I

= 0mA to 8mA 0.0005 0.015 %/mA

∆I

OUT

(Note 2) I

= 0mA to 4mA 0.001 0.04 %/mA

Quiescent Supply Current No Load 0.65 1.6 0.65 2 mA

OUT

Load Current 8 20 8 20 mA

Sink Current –0.2 20 –0.2 20 mA

Short-Circuit Current V

= 0V 25 25 mA

Temperature Voltage Output (Note 3) REF-02 Only 620 620 mV

The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

VIN = 15V, –55°C ≤ TA ≤ ±125°C for REF-01A/REF-02A and REF-01/REF-02, 0°C ≤ TA ≤ 70°C for REF-01E/REF-02E and

REF-01H/REF-02H, IL = 0mA unless otherwise noted.

REF-01A/E, REF-02A/E REF-01H/REF-02H

SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS

∆V Output Voltage Change with 0°C␣ ≤ T

≤ 70°Cl0.02 0.06 0.035 0.17 %

∆T Temperature (Notes 4, 5) –55°C ≤ T

≤ 125°Cl0.09 0.15 0.144 0.45 %

TC Output Voltage Temperature (Note 6) l5 8.5 8 25 ppm/°C

Coefficient

Change in V

Temperature R

= 10kΩl0.5 0.5 ppm/%

Coefficient with Output

Adjustment

∆V

OUT

Line Regulation 0°C ≤ T

≤ 70°Cl0.0001 0.012 0.0001 0.012 %/V

∆V

OUT

+ 3V) ≤ V

≤ 33V (Note 2) –55°C ≤ T

≤ 125°Cl0.0001 0.015 0.0001 0.015 %/V

∆V

OUT

Load Regulation 0°C ≤ T

≤ 70°Cl0.002 0.010 0.002 0.012 %/mA

∆I

OUT

= 0mA to 8mA) (Note 2) –55°C ≤ T

≤ 125°Cl0.002 0.012 0.002 0.015 %/mA

Temperature Voltage Output (Note 3) REF-02 l2.1 2.1 mV/°C

Temperature Coefficient

REF-01/REF-02

ELECTRICAL CHARACTERISTICS

The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 15V, 0°C ≤ TA ≤ 70°C and IL = 0mA unless otherwise noted.

REF-01C, REF-02C REF-02D

SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS

∆V Output Voltage Change with (Notes 4, 5) l0.45 1.7 %

∆T Temperature

TC Output Voltage Temperature (Note 6) l8 65 8 250 ppm/°C

Coefficient

Change in V

Temperature R

= 10kΩl0.5 0.5 ppm/%

Coefficient with Output

Adjustment

∆V

OUT

Line Regulation V

= 8V to 30V l0.0001 0.018 0.0001 0.05 %/V

∆V

(Note 2)

∆V

OUT

Load Regulation I

= 0mA to 5mA l0.002 0.018 0.002 0.05 %/mA

∆I

OUT

(Note 2)

Temperature Voltage Output (Note 3) REF-02 l2.1 2.1 mV/°C

Temperature Coefficient

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: Line and load regulation specifications include the effect of self

heating.

Note 3: Limit current in or out of Pin 3 to 50nA and capacitance on Pin 3

to 30pF.

Note 4: ∆V is defined as the absolute difference between the maximum

output voltage and the minimum output voltage over the specified

temperature range expressed as a percentage of nominal output.

∆VVMAX VMIN

VOUT

=–•100

Note 5: ∆V specification applies trimmed or untrimmed.

Note 6: TC is defined as ∆V divided by the temperature range, i.e.,

TC V

TMAX TMIN

=∆

–

Note 7: 0.1Hz to 10Hz noise cannot be 100% tested on modern high

speed test equipment, so Linear Technology does not put a guaranteed

maximum specification on this parameter for standard units. 100% bench

testing of 0.1Hz to 10Hz noise is available on special request. To ensure

low output noise, Linear Technology

does

100% test 10Hz to 1kHz noise.

Consult factory for details.

REF-01/REF-02

PACKAGE DESCRIPTIO

0.050

(1.270)

MAX

0.016 – 0.021**

(0.406 – 0.533)

0.010 – 0.045*

(0.254 – 1.143)

SEATING

PLANE

0.040

(1.016)

MAX 0.165 – 0.185

(4.191 – 4.699)

GAUGE

PLANE

REFERENCE

PLANE

0.500 – 0.750

(12.700 – 19.050)

0.305 – 0.335

(7.747 – 8.509)

0.335 – 0.370

(8.509 – 9.398)

DIA

0.230

(5.842)

TYP

0.027 – 0.045

(0.686 – 1.143)

0.028 – 0.034

(0.711 – 0.864)

0.110 – 0.160

(2.794 – 4.064)

INSULATING

STANDOFF

45°TYP

H8 (TO-5) 0.230 PCD 1197

LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE

AND 0.045" BELOW THE REFERENCE PLANE

FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS 0.016 – 0.024

(0.406 – 0.610)

PIN 1

H Package

8-Lead TO-5 Metal Can (.230 Inch PCD)

(Reference LTC DWG # 05-08-1321)

OBSOLETE PACKAGE

REF-01/REF-02

OBSOLETE PACKAGE

J8 Package

8-Lead CERDIP (Narrow .300 Inch, Hermetic)

(Reference LTC DWG # 05-08-1110)

PACKAGE DESCRIPTIO

J8 1298

0.014 – 0.026

(0.360 – 0.660)

0.200

(5.080)

MAX

0.015 – 0.060

(0.381 – 1.524)

0.125

3.175

MIN

0.100

(2.54)

BSC

0.300 BSC

(0.762 BSC)

0.008 – 0.018

(0.203 – 0.457) 0° – 15°

0.005

(0.127)

MIN

0.405

(10.287)

MAX

0.220 – 0.310

(5.588 – 7.874)

1234

8765

0.025

(0.635)

RAD TYP

0.045 – 0.068

(1.143 – 1.727)

FULL LEAD

OPTION

0.023 – 0.045

(0.584 – 1.143)

HALF LEAD

OPTION

CORNER LEADS OPTION

(4 PLCS)

0.045 – 0.065

(1.143 – 1.651)

NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE

OR TIN PLATE LEADS

REF-01/REF-02

N8 1098

0.100

(2.54)

BSC

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.130 ± 0.005

(3.302 ± 0.127)

0.020

(0.508)

MIN

0.018 ± 0.003

(0.457 ± 0.076)

0.125

(3.175)

MIN

12 34

8765

0.255 ± 0.015*

(6.477 ± 0.381)

0.400*

(10.160)

MAX

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325 +0.035

–0.015

+0.889

–0.381

8.255

()

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)

N8 Package

8-Lead PDIP (Narrow .300 Inch)

(Reference LTC DWG # 05-08-1510)

PACKAGE DESCRIPTIO

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of circuits as described herein will not infringe on existing patent rights.

REF-01/REF-02

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900

●

FAX: (408) 434-0507

●

www.linear.com

 LINEAR TECHNOLOGY CORPORATIO N 1991

ref012fc LT/CP 0901 1.5K REV C • PRINTED IN USA

RELATED PARTS

PART NUMBER DESCRIPTION COMMENTS

LT1019 0.05%, 5ppm/°C Precision Reference Pin Compatible with the REF-01, REF-02, Improved Specs