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FEATURES

LOW POWER: 2.5mW

FAST SETTLING: 7ms to 1 LSB

1mV LSB WITH 4.095V FULL-SCALE

RANGE

COMPLETE WITH REFERENCE

12-BIT LINEARITY AND MONOTONICITY

OVER INDUSTRIAL TEMP RANGE

ASYNCHRONOUS RESET TO 0V

3-WIRE INTERFACE: Up to 20MHz Clock

ALTERNATE SOURCE TO DAC8512

APPLICATIONS

PROCESS CONTROL

DATA ACQUISITION SYSTEMS

CLOSED-LOOP SERVO-CONTROL

PC PERIPHERALS

PORTABLE INSTRUMENTATION

DESCRIPTION

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

(DAC) with guaranteed 12-bit monotonicity performance

over the industrial temperature range. It requires

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 7ms. 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 asynchronous

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.