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DAC7611

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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

DAC7611

12-Bit Serial Input

DIGITAL-TO-ANALOG CONVERTER

DESCRIPTION

The DAC7611 is a 12-bit digital-to-analog converter

(DAC) with guaranteed 12-bit monotonicity perfor-

mance over the industrial temperature range. It re-

quires a single +5V supply and contains an input shift

register, latch, 2.435V reference, DAC, and high speed

rail-to-rail output amplifier. For a full-scale step, the

output will settle to 1 LSB within 7

µs. The device

consumes 2.5mW (0.5mA at 5V).

The synchronous serial interface is compatible with a

wide variety of DSPs and microcontrollers. Clock

(CLK), serial data in (SDI), and load strobe (LD)

comprise the serial interface. In addition, two control

pins provide a chip select (CS) function and an asyn-

chronous clear (CLR) input. The CLR input can be

used to ensure that the DAC7611 output is 0V on

power-up or as required by the application.

The DAC7611 is available in an 8-lead SOIC or 8-pin

plastic DIP package and is fully specified over the

industrial temperature range of –40

°C to +85°C.

DAC7611

DAC7611

© 1997 Burr-Brown Corporation

PDS-1402A

Printed in U.S.A. April, 1998

FEATURES

q LOW POWER: 2.5mW

q FAST SETTLING: 7

q 1mV LSB WITH 4.095V FULL-SCALE

RANGE

q COMPLETE WITH REFERENCE

q 12-BIT LINEARITY AND MONOTONICITY

OVER INDUSTRIAL TEMP RANGE

q ASYNCHRONOUS RESET TO 0V

q 3-WIRE INTERFACE: Up to 20MHz Clock

q ALTERNATE SOURCE TO DAC8512

12-Bit DAC

Ref

DAC Register

Serial Shift Register

12

12

CLR

LD

CS

CLK

SDI

V

DD

GND

V

OUT

DAC7611

APPLICATIONS

q PROCESS CONTROL

q DATA ACQUISITION SYSTEMS

q CLOSED-LOOP SERVO-CONTROL

q PC PERIPHERALS

q PORTABLE INSTRUMENTATION

SBAS075