ADC ADS1263 converter 32-bit - 10-channel - overlay for Raspberry Pi - Waveshare 18983

High precisionADC conver ter in the form of overlay for Raspberry Pi minicomputer, also compatible with Nvidia's Jetson Nano platform. Waveshare's ADC is powered by a high performance ADS1263 chip. The converter module has 10 input channels and its resolution is 32 bits. The maximum sampling rate is 38 kSPS.

The layout of the components on the board.

1. GPIO connectors to connect to the Raspberry Pi
2. Screw AD input, general purpose
3. AD input, to connect peripheral devices and sensors
4. Control input, allows control by other hosts
5. Power configuration resistor
6. RTD configuration resistor
7. ADC ground configuration (COM-GND jumpers)
8. Quartz crystal 7.3728 MHz
9. Power section
10. RTD section
11. Input filtering
12. ADS1263 chip

• 3V3 - 3.3 V supply pin
• 5V - 5V power supply pin
• GND - chip ground pin
• DRDY - ADS1263 data output pin (activated by low state)
• RESET - RESET pin
• CS - chip select (activated by low state)
• DIN - SPI bus data input pin
• DOUT - SPI bus data output pin
• SCK - SPI bus clock output pin

Description of individual pins of the module.

The maximum sampling rate is equal to 38 kSPS.

• Module: ADC converter
• Chip: ADS1263
• Resolution: 32 bits
• Number of input channels: 10
• Maximum sampling rate: 38 kSPS
• Maximum PGA magnification: 32
• Communication interface: SPI
• Structure: Delta-Sigma
• Input type: differential, single sided
• Input voltage range:
  • maximum from 2.5 V to 5 V
  • minimum from -2.5 V to 0 V
• External dimensions: 65 x 58 mm

• Manufacturer's website: Waveshare 18983
• Product Wiki page
• Schematics
• ADS1263 technical documentation