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AD5399:  Two's Complement, Dual 12-Bit DACs, Internal REF

The AD5399 is a serial-input, dual 12-bit digital-to-analog converter that accepts two's complement digital coding. An internal voltage reference generates a stable 2V DACREF. The buffered DACREF output generates the system bipolar ground reference at pin VBZ. The bipolar DAC output swing programs over a 4VPP range. The device is specified for operation from +5 volts ±10%.

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  • 2-channel 12-bit DAC
  • Twos complement facilitates bipolar applications
  • Bipolar zero with 2 V dc offset
  • Built-in 2.000 V precision reference with 10 ppm/°C typ TC
  • Buffered voltage output: O V to 4 V
  • Single-supply operation: 4.5 V to 5.5 V
  • Fast 0.8µs settling time typ
  • Ultracompact MSOP-10 package
  • Monotonic DNL < ±1 LSB
  • Optimized accuracy at zero scale
  • Power-on reset to VREF
  • 3-wire serial data input
  • Resolution (Bits): 12bit
  • DAC Update Rate: 1.25MSPS
  • DAC Settling Time: 800ns
  • # DAC Outputs: 2
  • DAC Type: Voltage Out
  • DAC Input Format: Ser
  • Output FSR: (Uni 4V)
  • Ref Int/Ext: Int
  • Supply Vnom: Single(+5)
  • Pwr Diss: 13mW
  • Package: SOP

Functional Block Diagram for AD5399

AD5399 Diagram
Functional Block Diagram for AD5399

OF NOTE ...

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Part# Bits Update Rate Settling Time # Outputs
AD5399 12 1.25MSPS 800ns 2
AD5405 12 21.3MSPS 80ns 2
AD5415 12 2.47MSPS 120ns 2
AD5447 12 21.3MSPS 80ns 2
AD5449 12 2.47MSPS 80ns 2
AD9765 12 125MSPS 35ns 2
AD9773 12 400MSPS 11ns 2
AD9742 12 210MSPS 11ns 1
AD5441 12 5MSPS 500ns 1
AD5443 12 2.47MSPS 90ns 1
AD5444 12 2.7MSPS 40ns 1
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