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Analog Devices AD5592R

AD5592R - 8-Channel, 12-Bit, Configurable ADC/DAC with On-Chip Reference, SPI Interface

The AD5592R/AD5592R-1 have eight I/Ox pins (I/O0 to I/O7) that can be independently configured as digital to analog converter (DAC) outputs, analog to digital converter (ADC) inputs, digital outputs, or digital inputs. When an I/Ox pin is configured as an analog output, it is driven by a 12-bit DAC.

The output range of the DAC is 0 V to VREF or 0 V to 2 × VREF. When an I/Ox pin is configured as an analog input, it is connected to a 12-bit ADC via an analog multiplexer. The input range of the ADC is 0 V to VREF or 0 V to 2 × VREF. The ADC has a total throughput rate of 400 kSPS. The I/Ox pins can also be configured as digital, general-purpose input or output (GPIO) pins. The state of the GPIO pins can be set or read back by accessing the GPIO write data register or the GPIO read configuration register, respectively, via a serial peripheral interface (SPI) write or read operation.

The AD5592R/AD5592R-1 have an integrated 2.5 V, 25 ppm/°C reference, which is turned off by default, and an integrated temperature indicator, which gives an indication of the die temperature. The temperature value is read back as part of an ADC read sequence.

Key Features

  • 8-channel, configurable ADC/DAC/GPIO
  • Configurable as any combination of 8 × 12-bit DAC channels, 8 × 12-bit ADC channels, 8 × general-purpose digital input/output pins
  • Integrated temperature sensor
  • SPI interface
  • Available in 16-ball, 2 mm × 2 mm WLCSP, 16-lead, 3 mm × 3 mm LFCSP, 16-lead TSSOP

Applications

  • Control and monitoring
  • General-purpose analog and digital inputs/outputs

Block Diagram

 

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