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GENERAL DESCRIPTION

The AD5541A/AD5542A/AD5512A1 are single, 16-/16-/12-bit, serial input, unbuffered voltage output digital-to-analog converters (DACs) that operate from a single 2.7 V to 5.5 V supply.

The AD5541A/AD5542A/AD5512A utilize a versatile 3-wire interface that is compatible with a 50 MHz SPI, QSPI?, MICROWIRE?, and DSP interface standards.

These DACs provide 16-/12-bit performance without any adjust ments. The DAC output is unbuffered, which reduces power consumption and offset errors contributed to by an output buffer.

The AD5542A/AD5512A can be operated in bipolar mode, which generates a ±VREF output swing. The AD5542A/AD5512A also includes Kelvin sense connections for the reference and analog ground pins to reduce layout sensitivity.

FEATURES

Low power, 1 LSB INL nanoDACs

AD5541A: 16 bits

AD5542A: 16 bits

AD5512A: 12 bits

2.7 V to 5.5 V single-supply operation

Low glitch: 0.5 nV-s

Unbuffered voltage output capable of driving 60 k? loads

directly

VLOGIC pin provides 1.8 V digital interface capability

Hardware CLR and LDAC functions

50 MHz SPI-/QSPI-/MICROWIRE-/DSP-compatible interface

standards

Power-on reset clears DAC output to zeroscale and midscale

Schmitt trigger inputs

Available in 3 mm × 3 mm 16-LFCSP, 10-LFCSP, and 8-LFCSP

Also available in10-MSOP and 16-TSSOP

APPLICATIONS

Automatic test equipment

Precision Source-measure Instruments

Data Acquisition Systems

Medical Instrumentation

Aerospace Instrumentation

Communications Infrastructure equipment

Industrial Control