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FEATURES

DESCRIPTION

APPLICATIONS

Resistor

Network

8

14

Data

Buffer A

DAC

Register A

Data

Buffer D

DAC

Register D

DAC A

DAC D

Buffer

Control

Register

Control

Power-Down

Control Logic

A0

A1

GND

Block

SCL

SDA

DAC5574

SLAS407 – DECEMBER 2003

QUAD, 8-BIT, LOW-POWER, VOLTAGE OUTPUT,

I

2

C INTERFACE DIGITAL-TO-ANALOG CONVERTER

•

The DAC5574 is a low-power, quad channel, 8-bit

•

Fast Update Rate: 188 kSPS

buffered voltage output DAC. Its on-chip precision

output amplifier allows rail-to-rail output swing to be

•

Per-channel Power-down Capability

achieved. The DAC5574 utilizes an I

•

Power-On Reset to Zero

two

wire

serial

interface

supporting

high-speed

•

2.7-V to 5.5-V Analog Power Supply

interface mode with address support of up to four

•

8-bit Monotonic

DAC5574s for a total of 16 channels on the bus.

•

I

•

Data Transmit Capability

range of the DAC. The DAC5574 incorporates a

power-on-reset circuit that ensures that the DAC

•

On-Chip Output Buffer Amplifier, Rail-to-Rail

output powers up at zero volts and remains there until

Operation

a valid write takes place to the device. The DAC5574

•

Double-Buffered Input Register

contains a per-channel power-down feature, ac-

•

Address Support for up to Four DAC5574s

cessed via the internal control register, reducing the

•

Synchronous Update Support for up to 16

current consumption of the device to 200 nA at 5 V.

Channels

The low power consumption of this part in normal

•

Operation From –40

°C to 105°C

operation makes it ideally suited to portable battery

•

Small 10 Lead MSOP Package

operated equipment. The power consumption is less

power-down mode.

•

Process Control

TI offers a variety of data converters with I

•

Data Acquisition Systems

interface. See DACx57x family of 16/12/10/8 bit,

single and quad channel DACs. Also see ADS7823

•

Closed-Loop Servo Control

and ADS1100, 12-bit octal channel and 16-bit single

•

PC Peripherals

channel ADCs.

•

Portable Instrumentation

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2003, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.