SCL

A0

GND

Output

Buffer

Power Down

Control Logic

Resistor

Network

Ref (+) REF(-)

12-Bit

DAC

Control

Logic

DAC

Register

Power-On

Reset

SDA

D A C

7 5 1

2

DAC7571

www.ti.com

SLAS374D – FEBRUARY 2003 – REVISED JANUARY 2014

12-BIT DIGITAL-TO-ANALOG CONVERTER

1

FEATURES

DESCRIPTION

2

•

Micropower Operation: 140 µA @ 5 V

The DAC7571 is a low-power, single channel, 12-bit

•

Power-On Reset to Zero

buffered voltage output DAC. Its on-chip precision

•

+2.7-V to +5.5-V Power Supply

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

•

Specified Monotonic by Design

two wire serial interface that operates at clock rates

•

Settling Time: 10 µs to ±0.003%FS

up to 3.4 Mbps with address support of up to two

•

DAC7571s on the same data bus.

•

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

Operation

The DAC7571 incorporates a power-on-reset circuit

•

Double-Buffered Input Register

that ensures that the DAC output powers up at zero

volts and remains there until a valid write to the

•

Address Support for up to Two DAC7571s

device takes place. The DAC7571 contains a power-

•

Small 6-Lead SOT Package

down feature, accessed via the internal control

•

Operation From –40°C to 105°C

register, that reduces the current consumption of the

device to 50 nA at 5 V.

APPLICATIONS

The low power consumption of this part in normal

•

Process Control

operation makes it ideally suited for portable battery

operated equipment. The power consumption is less

•

Data Acquisition Systems

•

Closed-Loop Servo Control

down mode.

•

PC Peripherals

The DAC7571 is available in a 6-lead SOT 23

•

Portable Instrumentation

package.

1

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.

2

PRODUCTION DATA information is current as of publication date.

Copyright © 2003–2014, 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.