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LTC2688 - 12-/16-Bit Voltage Output SoftSpan DAC

Description

The LTC2688 is a 16-channel,12-/16-bit, ±15 V digital-to-analog converter (DAC) with an integrated precision reference.

The LTC2688 is guaranteed monotonic and has built in rail-to-rail output buffers that can source or sink up to 20 mA.

This SoftSpan™ DAC offers five output ranges up to ±15 V.

Features

  • 16 independent SoftSpan DAC channels.
  • Independently programmable output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V, ±15 V.
  • Full 12-/16-bit resolution at all ranges.
  • Flexible single- or dual-supply operation.
  • Maximum INL error: ±3 LSB16, ±0.75 LSB12.
  • Precision 4.096 V reference, ±5 ppm/°C maximum.
  • A/B toggle or sinusoidal dither using up to 3 toggle pins.
  • Multiplexer for output voltage and load current sense.
  • Outputs drive ±20 mA guaranteed.
  • 6.

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Full PDF Text Transcription

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Data Sheet LTC2688 16-Channel, 12-/16-Bit Voltage Output SoftSpan DAC FEATURES ► 16 independent SoftSpan DAC channels ► Independently programmable output ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V, ±15 V ► Full 12-/16-bit resolution at all ranges ► Flexible single- or dual-supply operation ► Maximum INL error: ±3 LSB16, ±0.75 LSB12 ► Precision 4.096 V reference, ±5 ppm/°C maximum ► A/B toggle or sinusoidal dither using up to 3 toggle pins ► Multiplexer for output voltage and load current sense ► Outputs drive ±20 mA guaranteed ► 6 mm × 6 mm, 40-lead LFCSP and 4.5 mm × 4.5 mm, 64-ball WLCSP APPLICATIONS ► Optical networking ► Instrumentation ► Data acquisition ► Automatic test equipment ► Process control and industrial automation FUNCTIONAL BLOCK DIAGRAM Figure 1.
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