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Green rectangular circuit board with 40-pin header and screw terminals

WaveShare

WaveShare High-Precision AD HAT ADS1263 10-Channel 32-Bit ADC Expansion Card

SKU CH-BCXG-FYH5X

Adds 10-channel 32-bit precision ADC with 38.4kSPS sampling to Raspberry Pi or Jetson Nano via SPI

  • CPU TypeOther
  • 10-channel 32-bit ADC delivers high-precision readings
  • 4kSPS maximum sampling rate captures fast signals
  • Low noise and low temperature drift ensure stable accuracy
  • 5V internal reference voltage supports consistent measurements
  • Onboard screw terminal and header inputs simplify sensor wiring

Precision ADC Expansion Card

The WaveShare ADS1263 HAT adds a 10-channel 32-bit analogue-to-digital converter to Raspberry Pi and Jetson Nano boards. It targets engineers and hobbyists who need low-noise, low-drift data acquisition for sensor arrays or instrumentation projects. The onboard ADS1263 chip provides a maximum sampling rate of 38.4kSPS with an embedded 24-bit auxiliary ADC.

Installation Considerations

The HAT connects through the standard 40-pin GPIO header using the SPI bus, so no extra wiring is required for basic operation. Differential input channels and the three-wire RTD circuit need the 0R resistor to be soldered before they become active. Aligning the header pins carefully prevents bent pins, which is the most common issue during the first fit.

Practical Interface Limits

The SPI interface caps the sustained throughput, so continuous 10-channel capture at the peak 38.4kSPS may require buffer management in software. The 2.5 V internal reference voltage sets the absolute input range unless an external reference is supplied through the screw terminals. Eight multiplexed GPIO lines are shared with the ADC functions, limiting simultaneous digital I/O while sampling.

Points forts

  • 10-channel 32-bit ADC delivers high-precision readings
  • 4kSPS maximum sampling rate captures fast signals
  • Low noise and low temperature drift ensure stable accuracy
  • 5V internal reference voltage supports consistent measurements
  • Onboard screw terminal and header inputs simplify sensor wiring

Caractéristiques

CPU TypeOther

Questions sur cet article

How can I verify the ADS1263 HAT is operating correctly after connecting it to my Raspberry Pi?

Read the internal ADC test signal through the SPI bus and confirm the 32-bit output changes smoothly with the PGA set to 32×.

What comes in the box and what must I source separately?

The HAT board with AD header, screw terminals and 0R resistor pads is included; a Raspberry Pi or Jetson Nano, sensors and jumper wires are not.

Which version should I choose for a 10-channel 32-bit ADC with 2.5 V internal reference?

This single model provides 10 channels, 32-bit resolution, 38.4 kSPS max rate and a 2.5 V reference — no other capacities are offered.

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