HomedatasheetDAC7624PB

DAC7624PB Datasheet

ti DAC7624, 12-Bit Quad Voltage Output Digital-to-analog Converter
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Description

Features, Applications

FEATURES

q LOW POWER: 20mW q UNIPOLAR OR BIPOLAR OPERATION q SETTLING TIME: q 12-BIT LINEARITY AND MONOTONICITY: +85�C q RESET TO MID-SCALE (DAC7624) OR ZERO-SCALE (DAC7625) q DATA READBACK q DOUBLE-BUFFERED DATA INPUTS

DESCRIPTION

The DAC7624 and DAC7625 are 12-bit quad voltage output digital-to-analog converters with guaranteed 12bit monotonic performance over the specified temperature range. They accept 12-bit parallel input data, have double-buffered DAC input logic (allowing simultaneous update of all DACs), and provide a readback mode of the internal input registers. An asynchronous reset clears all registers to a mid-scale code to a zero-scale 000H (DAC7625). The DAC7624 and DAC7625 can operate from a single +5V supply or from +5V and �5V supplies. Low power and small size per DAC make the DAC7624 and DAC7625 ideal for automatic test equipment, DAC-per-pin programmers, data acquisition systems, and closed-loop servo-control. The DAC7624 and DAC7625 are available a 28-pin plastic doublewide a 28-lead SOIC package, and offer guaranteed specifications over the to +85�C temperature range.

APPLICATIONS

q PROCESS CONTROL q ATE PIN ELECTRONICS q CLOSED-LOOP SERVO-CONTROL q MOTOR CONTROL q DATA ACQUISITION SYSTEMS q DAC-PER-PIN PROGRAMMERS

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

SPECIFICATION

to +85�C, VDD = +5V, VSS = �5V, VREFH = +2.5V, VREFL = �2.5V, unless otherwise noted. DAC7625P, U PARAMETER ACCURACY Linearity Error(1) Linearity Matching(3) Differential Linearity Error Monotonicity Zero-Scale Error Zero-Scale Drift Zero-Scale Matching(3) Full-Scale Error Full-Scale Matching(3) Zero-Scale Error Zero-Scale Drift Zero-Scale Matching(3) Full-Scale Error Full-Scale Matching(3) Power Supply Rejection ANALOG OUTPUT Voltage Output(4) Output Current Load Capacitance Short-Circuit Current Short-Circuit Duration REFERENCE INPUT VREFH Input Range VREFL Input Range VREFL Input Range DYNAMIC PERFORMANCE Settling Time(5) Channel-to-Channel Crosstalk Output Noise Voltage DIGITAL INPUT/OUTPUT Logic Family Logic Levels VIH VIL VOH VOL Data Format POWER SUPPLY REQUIREMENTS VDD VSS IDD ISS Power Dissipation TEMPERATURE RANGE Specified Performance CONDITIONS MIN TYP MAX Code = FFFH Code = 00AH, VSS = 0V VSS = 0V VSS = 0V Code = FFFH, VSS = 0V VSS T �2 MIN DAC7625PB, UB TYP MAX �1 UNITS

30 VREFL = 0V, VSS = 0V VSS �5V No Oscillation 0 VREFL Momentary VREFL TTL-Compatible CMOS IIH �10�A IIL �10�A IOH = 1.6mA VDD +0.3 0.8 VDD 0.4 Straight Binary +2.5 VREFH �1.25 VREFH 10 T VREFH +1.25 T

NOTES: (1) If VSS = 0V, specification applies at code 00AH and above. (2) LSB means Least Significant Bit, when V REFH equals +2.5V and VREFL equals �2.5V, then one LSB equals 1.22mV. (3) All DAC outputs will match within the specified error band. (4) Ideal output voltage, does not take into account zero or full-scale error. (5) If VSS = �5V, full-scale 5V step. If VSS = 0V, full-scale positive 2.5V step and negative step from code FFFH to 00AH.

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.

VDD to VSS............................................................................. to 11V VDD to GND.......................................................................... to 5.5V VREFL to VSS.............................................................. �0.3V to (VDD � VSS) VDD to VREFH............................................................. �0.3V to (VDD � VSS) VREFH to VREFL.......................................................... �0.3V to (VDD � VSS) Digital Input Voltage to GND................................... �0.3V to VDD + 0.3V Digital Output Voltage to GND................................. �0.3V to VDD + 0.3V Maximum Junction Temperature................................................... +150�C Operating Temperature Range........................................ to +85�C Storage Temperature Range......................................... to +150�C Lead Temperature (soldering, 10s)............................................... +300�C NOTE: (1) 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.

MAXIMUM LINEARITY ERROR (LSB) MAXIMUM DIFFERENTIAL LINEARITY ERROR (LSB) SPECIFICATION TEMPERATURE RANGE to +85�C PACKAGE DRAWING NUMBER(1)

PACKAGE 28-Pin Plastic DIP 28-Lead SOIC 28-Pin Plastic DIP 28-Lead SOIC 28-Pin Plastic DIP 28-Lead SOIC 28-Pin Plastic DIP 28-Lead SOIC

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


Features

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