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FEATURES

DESCRIPTION

APPLICATIONS

Resistor

Network

8

18

Data

Buffer A

DAC

Register A

Data

Buffer D

DAC

Register D

DAC A

DAC D

Buffer

Control

Register

Control

Power−Down

Control Logic

VOUTA

VOUTB

VOUTC

VOUTD

VREFL

A0

A1

A2

A3

GND

I2C Block

SCL

SDA

LDAC

VREFH

IOVDD

VDD

DAC6573

SLAS402 – NOVEMBER 2003

QUAD, 10-Bit, LOW-POWER, VOLTAGE OUTPUT,

I

2

C INTERFACE DIGITAL-TO-ANALOG CONVERTER

•

Micropower Operation: 500 µA at 3 V VDD

The DAC6573 is a low-power, quad channel, 10-Bit

•

Fast Update Rate: 188 kSPS

buffered voltage output DAC. Its on-chip precision

output amplifier allows rail-to-rail output swing. The

•

Power-On Reset to Zero

DAC6573 utilizes an I

2C compatible two wire serial

•

2.7-V to 5.5-V Analog Power Supply

interface supporting high-speed interface mode with

•

10-Bit Monotonic

address support of up to sixteen DAC6573s for a total

•

I

2C™ Interface up to 3.4 Mbps

of 64 channels on the bus.

•

Data Transmit Capability

The DAC6573 requires an external reference voltage

•

Rail-to-Rail Operation Output Buffer Amplifier

to set the output range of the DAC. The DAC6573

incorporates a power-on-reset circuit that ensures

•

Double-Buffered Input Register

that the DAC output powers up at zero volts and

•

Address Support for up to Sixteen DAC6573s

remains there until a valid write takes place in the

•

Synchronous Update for up to 64 Channels

device. The DAC6573 contains a power-down fea-

•

Voltage Translators for all Digital Inputs

ture, accessed via the internal control register, that

reduces the current consumption of the device to 200

•

Operation From –40

°C to 105°C

nA at 5 V.

•

Small 16 Lead TSSOP Package

The low power consumption of this part in normal

operation makes it ideally suited to portable battery

operated equipment. The power consumption is less

•

Process Control

than 3 mW at VDD=5 V reducing to 1 µW in

•

Data Acquisition Systems

power-down mode.

•

Closed-Loop Servo Control

The DAC6573 is available in a 16-lead TSSOP

•

PC Peripherals

package.

•

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.

I2C is a trademark of Philips Corporation.

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.