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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