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AD5770R Datasheet 6-Channel 14-Bit Current Output DAC

Manufacturer: Analog Devices

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General Description

The AD5770R is a 6-channel, 14-bit resolution, low noise, programmable current output, digital-to-analog converter (DAC) for photonics control applications.

The device incorporates a 1.25 V, on-chip voltage reference, a 2.5 kΩ precision resistor for reference current generation, die temperature, output monitoring functions, fault alarm, and reset functions.

The AD5770R contains five 14-bit resolution current sourcing DAC channels and one 14-bit resolution current sourcing and sinking DAC channel.

Overview

Data Sheet AD5770R 6-Channel, 14-Bit, Current Output DAC with On-Chip Reference, SPI.

Key Features

  • 6-channel, current output DAC.
  • 14-bit resolution.
  • Programmable output current ranges.
  • Channel 0: 0 mA to 300 mA,.
  • 60 mA to +300 mA,.
  • 60 mA to 0 mA.
  • Channel 1: 0 mA to 140 mA, 0 mA to 250 mA.
  • Channel 2: 0 mA to 55 mA, 0 mA to 150 mA.
  • Channel 3, Channel 4, Channel 5: 0 mA to 45 mA, 0 mA to 100 mA.
  • All current sourcing output ranges scale back by up to 0.5×.
  • 1.25 V, on-chip voltage reference.
  • Integrated precision reference resistor.

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