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DAC9881
SBAS438C – MAY 2008 – REVISED NOVEMBER 2019
DAC9881 18-Bit, Single-Channel, Low-Noise, Voltage-Output Digital-to-Analog Converter
1 Features
•1 18-bit monotonic over temperature range • Relative accuracy: ±2 LSB maximum • Low-noise: 24 nV/√Hz • Fast settling: 5 μs • On-chip output buffer amplifier with rail-to-rail
operation • Single power supply: 2.7 V to 5.5 V • DAC loading control • Selectable power-on reset to zero-scale or
midscale • Power-down mode • Unipolar straight binary or
two's complement input mode • Fast SPI with Schmitt-triggered inputs: up to 50
MHz, 1.