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AD5770R Datasheet

AD5770R Datasheet

6-Channel, 14-Bit, Current Output DAC with On-Chip Reference, SPI Interface
Part No.: AD5770R
Page: 61 Pages
Size: 4052 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2024-12-25 14:21:09
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AD5770R Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
AD5770RBCBZ-RL7 Reel 1500 AD5770RBCBZ 1 49 -40°C ~ 105°C 49-Ball WLCSP (4.04 mm x 4.04 mm x 0.60 mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

AD5770R Datasheet(PDF)

AD5770R Datasheet(Picture)

AD5770R 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
  • SPI interface
  • Reset function
  • Output current monitor
  • Compliance voltage monitor
  • Die temperature monitor
  • Integrated thermal shutdown
  • 49-ball, 4 mm × 4 mm WLCSP package
  • Operating temperature: −40°C to +105°C

AD5770R Applications

  • Photonics control
  • LED driver programmable current source
  • Current mode biasing

AD5770R 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.

Channel 0 can be configured to sink up to 60 mA and source up to 300 mA. Channel 1 to Channel 5 have multiple programmable output current sourcing ranges set by register access.

Each DAC operates with a wide power supply rail from 0.8 V to AVDD − 0.4 V for optimizing power efficiency and thermal power dissipation.

The AD5770R operates from a 2.9 V to 5.5 V AVDD supply and is specified over the −40°C to +105°C temperature range.

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