AD7705 / TM7705 Dual 16-Bit ADC Data Acquisition Module (SPI Programmable Analog to Digital Converter 500Hz)

The AD7705 / TM7705 Dual 16-Bit ADC Data Acquisition Module is a high-resolution analog to digital converter board designed for precise measurement of low-level analog signals. Based on the AD7705 or compatible TM7705 converter, it features two differential input channels, a built-in programmable gain amplifier (PGA), and an SPI communication interface for integration with microcontrollers. It is suitable for precision instrumentation, industrial monitoring, weighing systems, and sensor measurement applications.

Key Features -

• Based on the AD7705 / TM7705 16-bit sigma-delta analog to digital converter

• Two differential analog input channels

• SPI serial communication interface

• Built-in programmable gain amplifier (PGA)

• Supports low-level analog signal measurement

• Programmable gain and conversion settings

• Sampling rate up to 500Hz, depending on configuration

• Compact breakout PCB for embedded system integration

• Suitable for precision sensor interfacing

Specifications -

• Product Type: Analog to Digital Converter Module

• Main IC: AD7705 / TM7705

• ADC Resolution: 16-Bit

• Number of Input Channels: 2 Differential

• Communication Interface: SPI

• Maximum Output Data Rate: Up to 500Hz, depending on configuration

• Programmable Gain Amplifier: Built-in

• Supply Voltage: Depends on the module design and onboard circuitry

• Input Configuration: Differential

• Mounting Type: Breakout PCB Module

Applications -

• Precision data acquisition systems

• Electronic weighing scales and load cell interfaces

• Industrial process monitoring

• Temperature measurement using bridge sensors

• Pressure and strain gauge measurement

• Laboratory instrumentation

• Arduino, STM32, ESP32, and Raspberry Pi projects

• Embedded sensor signal processing