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GENERAL DESCRIPTION

The AD5546/AD5556 are precision 16-/14-bit, multiplying, low power, current output, parallel input D/A converters. They operate from a single 2.7 V to 5.5 V supply with ±10 V multiplying references for 4-quadrant outputs. Built-in 4-quadrant resistors facilitate the resistance matching and temperature tracking that minimize the number of components needed for multiquadrant applications. The feedback resistor (RFB) simplifies the I-V conversion with an external buffer. The AD5546/AD5556 are packaged in compact TSSOP-28 packages with operating temperatures from –40°C to +125°C.

FEATURES

16-bit resolution

14-bit resolution

2- or 4-quadrant multiplying DAC

±1 LSB DNL

±1 LSB INL or ±2 LSB INL

Operating supply voltage: 2.7 V to 5.5 V

Low noise: 12 nV/√Hz

Low power: IDD = 10 μA

0.5 μs settling time

Built-in RFB facilitates current-to-voltage conversion

Built-in 4-quadrant resistors allow 0 V to –10 V, 0 V to +10 V, or ±10 V outputs

2 mA full-scale current ±20, with VREF = 10 V

Automotive operating temperature: –40°C to +125°C

Compact TSSOP-28 package

APPLICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

Digital waveform generation