HDS1250ATM/883 - ANALOG DEVICES

Da~~~~i-. curr~~~~v~~:~~~~:~~:e~:n~:~~~

IHDS-0820,-1025,-1250jHDH-0802,-1003,-12051

FEATURES

25ns Current Settling to 0.1% (HDS)

2oons Voltage Settling to 0.1% (HDH)

10mA Current Out (HDS)

Guaranteed Monotonicitv'

Over Temperature

No External Parts Required

Reliable Hybrid Construction

APPLICATIONS

CRT Vector Displays

TV Video Reconstruction

Analytical and Medical Instruments

GENERAL DESCRIPTION

The HDS/HDH series of digital-to-analog converters are among

the fastest precision settling current and voltage DACs avail-

able. They can be processed to guarantee monotonic over

their operating temperatUre range. The current output models

provide 10mA full scale allowing direct drive of capacitive

loads and transmission lines. All versions have a precision ref-

erence and are active laser trimmed to specified accuracy, S9

no external adjustment pots or other components are

required.

With six units available, engineering trade-offs can be made

among resolution, speed, current or voltage output, and

price. To facilitate this comparison major specifications are

summarized in Table I.

Other general specifications that apply to all devices include

TTL logic; ceramic or hermetic metal package; unipolar or

bipolar operation with internal offsetting reference.

The HDH voltage output devices provide access to the op

amp summing point so that reduced full-scaleoutput voltage

swing can be provided. Operation with an external resistor

shunting the internal1k resistor will reduce the already low

op amp offset drift.

HDS-oS20, HDS-IO2SFUNCTIONAL BLOCKDIAGRAM

DIGITAL

INPUTS

MSB

dlT 1

BIT10

LSB

INPUT

BUF-fER

LOGIC

DTLITTL

COMP

ELEC. '

TRONIC

SWITCHES

PRE.

CISION

RESISTOR

NETWORK

CURRENT

OUTPUT

BIPOLAR

OFFSET

+15V

-15V

HDS.0820, 1025

NOTE, ON 8.BIT VERSIONS, PINS 11 AND 12 ARE NOT CONNECTED

INTERNALL Y, AND PIN 10 IS LSB.

HDS-12S0 FUNCTIONAL BLOCKDIAGRAM

DIGITAL

INPUTS

INPUT

BUFFER

LOGIC

DTLITTL

COMP

ELEC.

TRONIC

SWITCHES

PRE.

CISION

RESISTOR

NETWORK

+15V

HDS-1250

HDH-oSO2, HDH-IOO3 AND HDH-120S

FUNCTIONAL BLOCK DIAGRAM;-

DIGITAL

INPUTS

MSB

BIT 1

BIT 12

LSB

22 -BIPOLAR

OFFSET

20 - SUM

MODE

ELEC-

TRONIC

CURRENT

SWITCHES

INPUT

BUFFER

TTLIDTL ~OUTPUT

13.19 GND

-15V +15V

NOTE, ON HDH-0802 DEVICES, GROUND PINS 8. 10. 11 AND 12.

ON HDH.I003 DEVICES. GROUND PINS 11 AND 12,

-,-,-.. -- -- ~~--~- .._, - - ..

Full Scale Step

Model Resolution Setding Time

Current Output. 10mA Step

HDS-oS20 8 Bits 20ns to 0.4% .

HDS-I02S 10 Bits 2Sns to 0.1%

HDS-12S0 12 Bits 3Sns to 0.02S%

Voltage Output 10V Step

HDH-oS02 8 Bits 200ns to 0.4%

HDH.I003 10 Bits 300ns to O.l%.

HDH-120S 12 Bits SOOnsto 0.12S%

Table I

OBSOLETE

SPECIFICATIONS(typical @'+25°Cwith nominal power supply voltages unless otherwise noted)

NOTES

IOther volups may be obuiDed with external resistor.

'For HDS leriet, VOUT . lOUT X Rcqu,ivalent which is the value of the

2000 internal impedance in paraDel with the external load resiStance.

Thus, by correct 1C1cctioaof external Rl VOUT can be any mepitudc

up to the + or -compliuaccvol.. SeeFipres 1and 2.

'Contact factory or local Analog Devices sales office for "M"

Metal Case device specifications and prices.

4See Section 19 for package outline information.

. '.SpeciflCations same as HDS~820.

"Specifications same as HDH~802.

Specifications subject to ch-. without notice.

VOL. " 9-378 DIGITAL- TO-ANALOG CONVERTERS ..

CURRENT OUT' VOLTAGE OUT

MODEL UNITS HD5-0S20 HDS-IO25 HDS-U50 HDH-OSO2 HDH.lOO3 'HDH-UO5

RESOLUTION FS.. Fun Scale BitS S 10 (.2 S 10 12

LSB WEIGHT 40llA 1000A 2.51lA 4OmV IOmV 2.5mV

ACCURACY (Relative to FS Including Linarity) :t% FS 0.1 0.05 0.0125 0.1 0.05 0.0125

Linearity :tl01lA :t51lA :tl.25IlA :tl0mV :t5mV :t1.25mV

LSB :t1/4 :t1/2 :t1/2 :t1/4 :t1/2 :t1/2

Monotonicity Guaranteed Over Operating TemperatUre Range

Zero Offset (Initial) l5nA max ..lOmVtyp ..

,5OmVmax

TEMPERATURE COEFFICIENTS

Linearity ppmfC 3. . ...

Gain ppmfC 30 .....

Unipolar Offset ppmfC 3.....

Bipolar Offset ppmfC 15 .. . . .

DATA INPUTS

Logic Compatibility TTL and 5V CMOS

Logic Voltage Levels Positive Logic "1" .. V+2 to +7 . . . . .

"0" .. V 0 to +O.S .....

LogicLoading(EachBit) "I" "'. IlA 40 .-.. . .

"0" .. mA -2.6 . . . . .

Codes BIN,OBN BIN,OBN

OUTPUT

Current RangeFS

Unipolar mA +10.24 .+10.24 :t25 mIX .. ..

:to.2% (max)

Bipolar mA :t5.12 .:t5.12 :t25 mIX .. ..

:to.2% (max)

VoltageOut FS1,2

Unipolar HDSwith 200n V +1.024 .+1.024 -10.24 :1:0.1% .. ..

Internal ConnectedRL :to.05%

Bipolar V:to.512 .:to.512 +5.12 :to.05% .. ..

:to.025%

Compliance V+1.5,"'2 ..N/A .. ..

Impedance,Internal (SeeFigure 1) n200 . . 0.1 max .. ..

SETTLING TIME

Current ns to % FS 20 to 0.4 25 to 0.1 35 to 0.025 N/A N/A N/A

Voltage2

Unipolar or Bipolar Out, 75n Load,

0.56V pop ns to % FS 30 to 0.4 35 to 0.1 50 to 0.025 N/A N/A N/A

Unipolar or Bipolar Out, Internal

200n Load, 1.024V pop ns to % FS 45 to 0.4 50 to 0.1 .60 to 0.025 N/A N/A N/A

10V Output Step ns to% FS N/A N/A N/A 200 to 0.4 300 to 0.1 500 to 0.025

5V Output Step ns to% FS N/A N/A N/A 150 to 0.4 200 to 0.1 350 to 0.025

POWER REQUIREMENTS

+14.5V to +lS.5V mA mIX 42 .55 70 .. .. .

-12V to -16V mA mIX 14 .18 40 .. ..

PowerSupplyRejection(+15V) %1% 0.06 . . . . .

PowerSupply RejeCtionRation (-15V) %1% 0.04 . . .. .

TEMPERATURE RANGE

-Operating- GlassPackage °c 0 to +70 .....

Operating-"M" Metal Case3 °c -55 to +125 ... . .

Storage °c -55 to +125 ... ...

PACKAGEOPTlONS4 HY24E HY24G

OBSOLETE

PIN DESIGNATIONS

HDS-o820, HDS-I02S

.PINS 2 AND 3 MUST BE CONNECTED

TOGETHER EXTERNALLY.

Analog Output, tS.12mA Offset Binary

+S.l1mA(lLSB) 111. . . . . . 1

+2.S6mA 110 0

OmA .100 0

-2.S6mA 010 0

-S.12mA 000 0

Analog Output, 0 to +10.24mA Straight Binary

+10.23mA 111 1

+7.68mA 110 0

+S.12mA 100 0

+2.S6mA 010 0

OmA '000 0

Table II. Coding HDS Series

PIN DESIGNATIONS

HDS-12S0

FUNCTION

PIN DESIGNATIONS

HDB SERIES

ON HDH-0802 DEVICES. GROUND PINS 9.10.11

AND 12.

ON HDH-1003 DEVICES, GROUND PINS 11 AND

12.

Analog Output, fS.12V

-S.117SV

-2.S6V

+2.S6V

+S.12V

Analog Output, 0 to +10.24V

-10.237SV

-7.68V

-S.12V

-2.S6V

Complement Offset

.Binary

111 1

110 0

100 0

010 0

000 0

Complement Binary

111. . .. .. 1

110 0 '

100 0

010 0

, 000 0

Table III. Coding HDH Series

---

PIN FUNCTION

1+15V

2,3. BIT 1 (MSB)

4 BIT2

5BIT3

6 BIT4

7 BIT 5

8BIT 6

9BIT7

10 BIT8

11 BIT 9 (HDS-102S)

12 BIT 10

13-20 GND

21 OUTPUT, (In!

22 RI 2oon

23 BIPOLAR OFFSET

174 -,!>v

4 I

S BITS

6 BIT6

7 BIT7

SBITS

9 BIT9

10 BIT 10

11 BIT 11

12 BIT 12

13-19 GND

20 OUTPUT (I

21 R 20on

24 +1SV-

PIN FUNCTION

1 BIT 1/MSBI

2 BIT2

3 BIT3

4 BIT4

!; BIT!;

6 BIT6

7 BIT7

8 BIT8

9 BIT9

10 BIT 10

11 BIT 11

12 BIT 12

13-19 GROUND

20 sUM N DE

21 OUTPUT

22 BIPOLAR,OFFSET

23 -15V

24 - +15V

OBSOLETE

r- -;"2mA- - - - -I

L_\- ~.~o'+,~~.J

-2OOS1

200

OFFSET

OUTPUT

GROUND

CURRENT CONTROLLED BY

DIGITAL INPUT CODE

Figure 1. HDS Current Equivalent Circuit

r '

"L -\_::!-. ~~2.~8V- ...J

200(1

OFFSET

OUTPUT

GROUND

VOLTAGE CONTROLLED BY

DIGITIAL INPUT CODE

Figure 2. HDS Voltage Equivalent Circuit

MSB

BIT1

HDS

D/A 110

CONVERTER

DIGITAL

INPUTS

LSB

~1#1F -15V +15V

Figure 3. Bipolar Current Output

BIPOLAR OFFSET

OUTPUT

to.512V FS OR

t5.12mA FS

GROUND

O.,~

VOL.1,9-320 DIGITAL-TO-ANALOG CONVERTERS

--~ ---

DIGITAL

INPUTS

MSB

"BIT1

LSB

GROUND

BIPOLAR OFFSET

--. GROUND

HDS

D/A

CONVERTER 10 OUTPUT

OV TO +1.024V OR

0 TO +10.24mA

~1#1F +15V O.,~

-15V

Figure 4. Unipolar Current Output

+16V

DIGITAL

INPUTS

MSB

BIT1

LSB IGROUND

CIRCUIT PROVIDES UNIPOLAR NEGATIVE OUT.

PUT WITH COMPLEMENT BINARY CODING

"(BIPOLAROFFSETGROUNDED)OR BIPOLAR

OUTPUT WITH COMPLEMENTARY OFFSET BINARY

CODING IBIPOLAR OFFSET TO 10).

SETTLING TIME FOR 10.24V OUTPUT IR1 .'1k)

IS APPROXIMATELY 11iOns.

10 VOLTAGE

OuT1>UT

IVOUT.

+ (05-060-R1X 10.Z4mAI

OP.AMP

HDS ~

D/A FF.-,

CONVERTER ~T ~

Figure 5. Inverting Unipolar or Bipolar Voltage Output

ORDERING INFORMATION

Order model number HDS-oS20, HDS-IO2S, HDS-12S0,

HDH-oSO2,HDH-IOO3,HDH-120S. Models with extended

operating temperatUre range, hermetically-sealed metal-case

construction (Mversions). Consult factory or local Analog

Devices sales office for further information.

OBSOLETE

24-PIN PACKAGES

(Continued)

HY24C

24-Pin Hybrid Package

HY24D

24-Pin Hybrid Package

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HY24E

24-Pin Hybrid Package

HY24G

24-Pin Hybrid Package

r-- 1.265132.131 j

1- 1.280132.511__I

r-0 0 0 0 0 0 0 0 0 0 0 0 I

0600 0.765119.4311

(15.241 0.780 (19.81

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0.105 /2.6671 0.020 10.5081

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1FT

0.O9Oi2.2861

Dimensions shown in inches and (mm).

Lead No.1 Identified by Dot or Notch.

VOL. ,. 19-12 PACKAGE INFORMATION --- -

OBSOLETE