CJMCU-1232 ADS1232 24-bit Analog-to-Digital Converter Board

CJMCU-1232 ADS1232 24-bit Analog-to-Digital Converter Board is a high-precision ADC module based on the Texas Instruments ADS1232 chip. It is designed for applications that require accurate analog signal conversion, such as load cell weight measurement, strain gauges, and temperature sensing. The module is ideal for microcontroller and embedded systems where a high-resolution and low-noise ADC is required.

Key Features:

• 24-bit Resolution: Delivers high-accuracy digital output for precision applications.
• Low Noise: Integrated low-noise amplifier enhances signal quality.
• Selectable Gain: Programmable gain settings (1, 2, 64, 128) for flexibility with sensors.
• Dual-Channel Input: Supports two differential analog input channels.
• Simple Interface: SPI-compatible digital output for easy microcontroller integration.

Technical Specifications:

• ADC Chip: Texas Instruments ADS1232
• Resolution: 24-bit Sigma-Delta ADC
• Input Channels: 2 differential inputs
• Programmable Gain: 1, 2, 64, 128
• Sampling Rate: 10SPS or 80SPS selectable
• Operating Voltage: 3.3V to 5V
• Interface: Serial (SPI-like) digital output
• Noise Performance: Low noise for sensitive sensor applications

Mechanical Specifications:

• Board Dimensions: Approx. 26mm × 21mm
• Mounting Holes: None (compact PCB format)
• Connector Type: Header pins for breadboard compatibility
• PCB Color: Purple (CJMCU style)

Pinout and Wiring:

• Inputs: AINP1, AINN1, AINP2, AINN2 (differential analog inputs)
• Digital Interface: DOUT, SCLK, PDWN, SPEED, GAIN, DRDY
• Power Supply: VCC and GND
• Connection: Connect to MCU via SPI-like communication protocol

Datasheet and Documentation:

• Download ADS1232 Datasheet (PDF)

Applications:

• Weighing Scales: Interface with load cells for accurate weight measurement.
• Industrial Sensors: Use with pressure or force sensors requiring high-resolution readouts.
• Medical Devices: Precision data capture from bio-sensors or thermocouples.
• Embedded Systems: Ideal for Arduino, STM32, and Raspberry Pi-based projects.
• Data Acquisition Systems: Integrate into multi-channel precision measurement setups.

Equivalent Models:

• HX711: Common 24-bit ADC for load cell applications with simpler interface
• ADS1234: 4-channel version of ADS1232 for multi-input designs
• ADS1256: Higher performance ADC with higher data rate and input channels

Package Includes:

• 1 x CJMCU-1232 ADS1232 24-bit Analog-to-Digital Converter Board