HomedatasheetDAC707JP

DAC707JP Datasheet

ti DAC707, Microprocessor-compatible 16-Bit Digital-to-analog Converter
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Description

Features, Applications

FEATURES

q TWO-CHIP CONSTRUCTION q HIGH-SPEED 16-BIT PARALLEL, 8-BIT (BYTE) PARALLEL, AND SERIAL INPUT MODES q DOUBLE-BUFFERED INPUT REGISTER CONFIGURATION q VOUT AND IOUT MODELS q HIGH ACCURACY: Linearity Error �0.003% of FSR max Differential Linearity Error �0.006% of FSR max q MONOTONIC (TO 14 BITS) OVER SPECIFIED TEMPERATURE RANGE q HERMETICALLY SEALED q LOW COST PLASTIC VERSIONS AVAILABLE (DAC707JP/KP)

DESCRIPTION

The DAC708 and DAC709 are 16-bit converters designed to interface an 8-bit microprocessor bus. 16bit data is loaded in two successive 8-bit bytes into parallel 8-bit latches before being transferred into the D/A latch. The DAC708 and DAC709 are current and voltage output models respectively and are in 24-pin hermetic DIPs. Input coding is Binary Two's Complement (bipolar) or Unipolar Straight Binary (unipolar, when an external logic inverter is used to invert the MSB). In addition, the DAC708/709 can be loaded serially (MSB first). The DAC707 is designed to interface a 16-bit bus.

16-Bit (DAC707) Serial Data Low Byte Latch High Byte Latch D/A Latch Reference Circuit 16-Bit D/A Converter Bipolar Offset

Data is written into a 16-bit latch and subsequently the D/A latch. The DAC707 has bipolar voltage output and input coding is Binary Two's Complement (BTC). All models have Write and Clear control lines as well as input latch enable lines. In addition, DAC708 and DAC709 have Chip Select control lines. In the bipolar mode, the Clear input sets the D/A latch to give zero voltage or current output. They are all 14-bit accurate and are complete with reference, and for the DAC707, and DAC709, a voltage output amplifier. All models are available with an optional burn-in screening.

Latch Enables/ Mode Select CLEAR WRITE CHIP SELECT

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

SPECIFICATIONS

= +25�C, VCC = �15V, VDD = +5V, and after a 10-minute warm-up, unless otherwise noted. DAC707/708/709KH, DAC707KP MAX MIN TYP MAX MIN 709BH, SH TYP MAX UNITS

DAC707JP PRODUCT INPUT DIGITAL INPUT Resolution Bipolar Input Code (all models) Unipolar Input Code(1) (DAC708/709 only) Logic Levels(2): VIH VIL IIH (VI = +2.7V) IIL (VI = +0.4V) TRANSFER CHARACTERISTICS ACCURACY(3) Linearity Error Differential Linearity Error(5) at Bipolar Zero(5, 6) Gain Error(7) Zero Error(7) Monotonicity Over Spec Temp Range Power Supply Sensitivity: +VCC, �VCC VDD DRIFT (Over Spec Temp Range(3)) Total Error Over Temp Range(8) Total Full Scale Drift Gain Drift Zero Drift: Unipolar (DAC708/709 only) Bipolar (all models) Differential Linearity Over Temp(5) Linearity Error Over Temp(5) SETTLING TIME (to of FSR)(9) Voltage Output Models Full Scale Step (2k load) 1LSB Step at Worst Case Code(10) Slew Rate Current Output Models Full Scale Step to 100 Load 1k Load OUTPUT VOLTAGE OUTPUT MODELS Output Voltage Range DAC709: Unipolar (USB Code) Bipolar (BTC Code) DAC707 Bipolar (BTC Code) Output Current Output Impedance Short Circuit to Common Duration CURRENT OUTPUT MODELS Output Current Range (�30% typ) DAC708: Unipolar (USB Code) Bipolar (BTC Code) Unipolar Output Impedance (�30% typ) Bipolar Output Impedance (�30% typ) Compliance Voltage Binary Two's Complement MIN TYP

% of FSR % of FSR % of FSR Bits % of FSR/%VCC % of FSR/%VDD % of FSR ppm of FSR/�C ppm/�C ppm of FSR/�C ppm of FSR/�C % of FSR % of FSR

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.

+25� C, VCC = �15V, VDD = +5V, and after a 10-minute warm-up, unless otherwise noted. DAC707/708/709KH, DAC707KP MAX MIN TYP MAX MIN 709BH, SH TYP MAX UNITS

DAC707JP PRODUCT POWER SUPPLY REQUIREMENTS Voltage (all models): +VCC �VCC VDD Current (No Load, +15V Supplies) Current Output Models: +VCC �VCC VDD Voltage Output Models: +VCC �VCC VDD Power Dissipation (�15V supplies) Current Output Models Voltage Output Models TEMPERATURE RANGE Specification: BH Grades JP, KP, KH Grades SH Grades Storage: Ceramic Plastic MIN TYP

*Specification same as for models in column to the left. NOTES: (1) MSB must be inverted externally prior to DAC708/709 input. (2) Digital inputs are TTL, LSTTL, 54/74C, 54/74HC and 54/74HTC compatible over the specified temperature range. (3) DAC708 (current-output models) are specified and tested with an external output operational amplifier connected using the internal feedback resistor in all tests. (4) FSR means Full Scale Range. For example, for �10V output, FSR �0.0015% of Full Scale Range is equal to 1 LSB in 16-bit resolution, �0.003% of Full Scale Range is equal to 1 LSB in 15-bit resolution. �0.006% of Full Scale Range is equal to 1 LSB in 14-bit resolution. (6) Error at input code 0000H. (For unipolar connection on DAC708/709, the MSB must be inverted externally prior to D/A input.) (7) Adjustable to zero with external trim potentiometer. Adjusting the gain potentiometer rotates the transfer function around the bipolar zero point. (8) With gain and zero errors adjusted to zero +25�C. (9) Maximum represents the 3 limit. Not 100% tested for this parameter. (10) The bipolar worst-case code change is FFFFH to 0000H and 0000H to FFFFH. For unipolar (DAC708/709 only) to 8000H and to 7FFFH.

PRODUCT DAC709KH DAC709SH PACKAGE 28-Pin Plastic DBL Wide DIP 28-Pin Plastic DBL Wide DIP 28LD Side Brazed Hermetic Dip 28LD Side Brazed Hermetic DIP 28LD Side Brazed Hermetic DIP 24LD Side Brazed Hermetic DIP 24LD Side Brazed Hermetic DIP 24LD Side Brazed Hermetic DIP 24LD Side Brazed Hermetic DIP 24LD Side Brazed Hermetic DIP 24LD Side Brazed Hermetic DIP PACKAGE DRAWING NUMBER(1)

VDD to COMMON........................................................................ 0V, +15V +VCC to COMMON..................................................................... 0V, +18V �VCC to COMMON...................................................................... 0V, �18V Digital Data Inputs to COMMON..................................... �0.5V, VDD +0.5 DC Current any input..................................................................... �10mA Reference Out to COMMON...................... Indefinite Short to COMMON VOUT (DAC707, DAC709)........................... Indefinite Short to COMMON External Voltage Applied to RF (pin DAC708).................. �18V External Voltage Applied to D/A Output (pin 1, DAC707; pin DAC709)......................................................... �5V Power Dissipation........................................................................ 1000mW Storage Temperature..................................................... to +150�C Lead Temperature (soldering, 10s)................................................. 300�C Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. Exposure to absolute maximum conditions for extended periods may affect device reliability.

This integrated circuit can be damaged by ESD. Burr-Brown recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.

NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book.


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