1FEATURES

23• 16-Bit Monotonic

• ±5-V Bipolar Output

• Very Low Glitch: 0.5 nV-s

• Fast Settling: 0.65 μs

• Fast Slew Rate: 35 V/μs

• Low Noise: 20 nV/√Hz

• ±25-mA Load Drive

• ±5-V Dual Power Supply

• Single External Reference

• Power-On Reset to Midscale

• 3-MSPS Update Rate

• SPI™ Interface, Up to 50 MHz

• 1.8-V–5-V Logic Compatible

• Twos Complement Data Format

• Hardware Reset to Midscale

• TSSOP-16 Package

APPLICATIONS

• Industrial Process Control

• CRT Projection TV Digital Convergence

• Waveform Generation

• Automated Test Equipment

• Ultrasound

DESCRIPTION

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

operating from dual ±5-V power supplies. The

DAC8581 is monotonic, and has exceptionally low

noise and exceptionally low glitch. The DAC8581

high-performance, bipolar output buffer is capable of

settling within 0.65 μs for a 10-V step. Small-signal

settling time is well under 0.3 μs, supporting data

update rates up to 3 MSPS. A power-on-reset circuit

sets the output at midscale voltage on power up.

The DAC8581 is simple to use, with a single external

reference and a standard 3-wire SPI interface that

allows clock rates up to 50 MHz.

Also see the DAC8580, a member of the same

family. The DAC8580 combines DAC8581

performance with an on-chip, 16x over-sampling

digital filter.

The DAC8581 is specified over the –40°C to +85°C

temperature range.

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