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DAC9881 Datasheet

Part Number DAC9881
Manufacturers Texas Instruments
Logo Texas Instruments
Description Digital-to-Analog Converter
Datasheet DAC9881 DatasheetDAC9881 Datasheet (PDF)

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design 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.

  DAC9881   DAC9881






Digital-to-Analog Converter

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design 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, 1.8-V, 3-V, and 5-V logic • Specified temperature range: –40°C to +105°C • Small package: VQFN-24, 4 mm × 4 mm 2 Applications • Semiconductor test • Oscilloscope (DSO) • X-ray systems • Lab and field instrumentation • Data acquisition (DAQ) 3 Description The DAC9881 is an 18-bit, single-channel, voltageoutput digital-to-analog converter (DAC). The device features 18-bit monotonicity, excellent linearity, very low-noise, and fast settling time. The on-chip precision output amplifier allows for a rail-to-rail output swing to be achieved over the full supply range of 2.7 V to 5.5 V. The device supports a standard serial peripheral interface (SPI) capable of operating with input data clock frequencies of up to 50 MHz. The DAC9881 requires an external reference voltage to set the output range of the DAC ch.


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