DAC702 BURR-BROWN [Burr-Brown Corporation], DAC702 Datasheet

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DAC702

Manufacturer Part Number
DAC702
Description
Monolithic 16-Bit DIGITAL-TO-ANALOG CONVERTERS
Manufacturer
BURR-BROWN [Burr-Brown Corporation]
Datasheet

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SBAS143
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
DESCRIPTION
The DAC70X family comprise of complete 16-bit
digital-to-analog converters that includes a precision
buried-zener voltage reference and a low-noise, fast-
settling output operational amplifier (voltage output
models), all on one small monolithic chip. A combina-
tion of current-switch design techniques accomplishes
not only 15-bit monotonicity over the entire specified
temperature range, but also a maximum end-point
linearity error of 0.0015% of full-scale range. Total
full-scale gain drift is limited to 10ppm/ C maximum
(LH and CH grades).
© 1983 Burr-Brown Corporation
FEATURES
V
HIGH ACCURACY:
Linearity Error 0.0015% of FSR max
Differential Linearity Error 0.003% of FSR
max
OUT
AND I
DIGITAL-TO-ANALOG CONVERTERS
Digital
Inputs
OUT
MODELS
®
Switches
Resistor
Network
Current
Ladder
16-Bit
And
Monolithic 16-Bit
Reference
Circuit
PDS-494M
Voltage Models
Only
1
Digital inputs are complementary binary coded and
are TTL-, LSTTL-, 54/74C- and 54/74HC-compatible
over the entire temperature range. Outputs of 0 to
+10V, 10V, 0 to –2mA, and 1mA are available.
These D/A converters are packaged in hermetic 24-pin
ceramic side-brazed or molded plastic. The DIP-pack-
aged parts are pin-compatible with the voltage and
current output DAC71 and DAC72 model families.
The DAC702 is also pin-compatible with the DAC70
model family. In addition, the DAC703 is offered in a
24-pin SOIC package for surface mount applications.
MONOTONIC (at 15 bits) OVER FULL
SPECIFICATION TEMPERATURE RANGE
PIN-COMPATIBLE WITH DAC70, DAC71,
DAC72
DUAL-IN-LINE PLASTIC AND HERMETIC
CERAMIC AND SOIC
Gain Adjust
+V
–V
V
DD
CC
CC
DAC701, 702, 703
Reference Output
Common
Summing Junction
Output
Printed in U.S.A. March, 1998
DAC701
DAC702
DAC703
®

Related parts for DAC702

DAC702 Summary of contents

Page 1

... The DIP-pack- aged parts are pin-compatible with the voltage and current output DAC71 and DAC72 model families. The DAC702 is also pin-compatible with the DAC70 model family. In addition, the DAC703 is offered in a 24-pin SOIC package for surface mount applications. ...

Page 2

... OUTPUT VOLTAGE OUTPUT MODELS DAC701 (CSB Code) DAC703 (COB Code) 10 Output Current 5 Output Impedance 0.15 Short Circuit to Common Duration Indefinite CURRENT OUTPUT MODELS (10) DAC702 (COB Code) 1 (10) Output Impedance 2.45 Compliance Voltage 2.5 ® DAC701, 702, 703 DAC701/702/703K DAC701/702/703B, S MAX MIN TYP MAX MIN ...

Page 3

... FSR means full-scale range and is 20V for the 10V range (DAC703), 10V for the 0 to +10V range (DAC701). FSR is 2mA for the 1mA range (DAC702). (4) 0.0015% of full-scale range is equivalent to 1LSB in 15-bit resolution. 0.003% of full-scale range is equivalent to 1LSB in 14-bit resolution ...

Page 4

... CC 270k (3) 3.9M (3) –V CC (2) ( (2) NOTES: (1) Can be tied to +V instead of having CC separate V supply. (2) Decoupling capacitors are DD 0 1.0 F. (3) Potentiometers are 10k 100k . (4) 5k (DAC701), 10k (DAC702/703). (1) (DAC702) ......................................... 18V F to ...

Page 5

... DAC701CH 24-Pin Ceramic DIP DAC702CH 24-Pin Ceramic DIP DAC703CH 24-Pin Ceramic DIP DAC701SH 24-Pin Ceramic DIP DAC702SH 24-Pin Ceramic DIP DAC703SH 24-Pin Ceramic DIP DAC703JU 24-Pin SOIC DAC703KU 24-Pin SOIC NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book. ...

Page 6

... For the bipolar models, zero is measured at 7FFF inputs. This code corresponds to zero volts (DAC703) or zero milliamps (DAC702) at the analog output. The maxi- mum change in offset at t zero error at +25 C and is divided by the temperature change. This drift is expressed in parts per million of full scale range per degree centigrade (ppm of FSR/ C) ...

Page 7

... Gain Scale Adjust Offset Adjust Gain Translates Adjust the Line Rotates H the Line Range and Offset Adjust Input = 0000 MSB on All H Others Off 7FFF H – Full Scale Digital Input Bipolar D/A Converters, DAC702 and DAC703. DAC701, 702, 703 Range of Gain Adjust H ® ...

Page 8

... This alternate sensing point (the system ground point) is shown in Figures 6, 7, and 8. Figures 7 and 8 show two methods of connecting the current output models (DAC702) with external precision output op amps. By sensing the output voltage at the load resistor (ie, by connecting R and R is greatly reduced ...

Page 9

... ANALOG OUTPUT MODEL ANALOG OUTPUT DAC702 BIPOLAR 15-BIT 0.031 0.061 –0.99994 +1.00000 The D/A converter and the wiring to its connectors should be located to provide optimum isolation from sources of RFI and EMI. The key concept in elimination of RF radiation or pickup is loop area ...

Page 10

... DAC702 can be scaled for any desired voltage range with an external feedback resistor, but at the expense of increased drifts 50ppm/ C. The resistors in the DAC702 ratio track to 1ppm/ C but their absolute TCR may be as high as 50ppm/ C. ...

Page 11

PACKAGING INFORMATION (1) Orderable Device Status DAC701KH OBSOLETE DAC703BH OBSOLETE DAC703BH-BI OBSOLETE DAC703CH OBSOLETE DAC703CH-BI OBSOLETE DAC703JP OBSOLETE DAC703KH OBSOLETE DAC703KH-4 OBSOLETE DAC703KH-BI OBSOLETE DAC703KP OBSOLETE DAC703LH OBSOLETE DAC703SH OBSOLETE (1) The marketing status values are defined as follows: ...

Page 12

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the ...

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