®

DAC

858

1

BurrBrown Products

from Texas Instruments

FEATURES

DESCRIPTION

APPLICATIONS

Serial Interface

Shift Register

Control

Logic

SCLK

DAC

Latch

DAC

SDIN

GND

DAC8581

CS

CLR

DAC8581

SLAS481A – AUGUST 2005 – REVISED AUGUST 2005

16-BIT, HIGH-SPEED, LOW-NOISE, VOLTAGE OUTPUT

DIGITAL-TO-ANALOG CONVERTER

•

16-Bit Monotonic

DAC8581 is a 16-bit, high-speed, low-noise DAC

operating from dual

±5-V power supplies. DAC8581 is

•

±5-V Rail-to-Rail Output

monotonic, has exceptionally low noise and excep-

•

Very Low Glitch: 0.5 nV-s

tionally low glitch. The DAC8581’s high-performance,

•

Fast Settling: 0.65

µs

rail-to-rail output buffer is capable of settling within

•

Fast Slew Rate: 35 V/

µs

0.65

µs for a 10-V step. Small-signal settling time is

well under 0.3

µs, supporting data update rates up to

•

Low Noise: 20 nV/

√Hz

3 MSPS. A power-on-reset circuit sets the output at

•

±25-mA Load Drive

midscale voltage on power up.

•

±5-V Dual Power Supply

The DAC8581 is simple to use, with a single external

•

Single External Reference

reference and a standard 3-wire SPI interface that

•

Power-On Reset to Midscale

allows clock rates up to 50 MHz.

•

3-MSPS Update Rate

Also see the DAC8580, a member of the same

family. The DAC8580 combines DAC8581 perform-

•

SPI Interface, Up to 50 MHz

ance with an on-chip, 16X over-sampling digital filter.

•

1.8 V–5 V Logic Compatible

The DAC8581 is specified over –40

°C-to-85°C tem-

•

2s Complement Data Format

perature range.

•

Hardware Reset to Midscale

•

TSSOP-16 Package

•

Industrial Process Control

•

CRT Projection TV Digital Convergence

•

Waveform Generation

•

Automated Test Equipment

•

Ultrasound

FUNCTIONAL BLOCK DIAGRAM OF DAC8581

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 © 2005, 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.