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

The AD7705 Dual 16-Bit ADC Data Acquisition Module is a high-precision analog-to-digital converter board designed for accurate measurement of low-level analog signals. Based on the AD7705 ADC, it features two independent 16-bit input channels, a built-in programmable gain amplifier (PGA), and an SPI communication interface for easy integration with microcontrollers. Supporting both differential and single-ended inputs with sampling rates up to 500Hz, this module is ideal for instrumentation, industrial monitoring, weighing systems, temperature measurement, and precision sensor applications.

Key Features -

• Based on the AD7705 high-precision 16-bit ADC

• Dual independent 16-bit analog input channels

• SPI interface for fast and reliable communication

• Built-in programmable gain amplifier (PGA)

• Supports differential and single-ended analog inputs

• Sampling rate up to 500Hz

• High-resolution, low-noise signal conversion

• Wide operating voltage range from 2.7V to 5.5V

• Compact breakout board for easy integration

• Suitable for precision measurement and sensor interfacing

Specifications -

• Product type - Analog to Digital Converter (ADC) Module

• Main IC / Chipset - AD7705

• ADC resolution - 16-Bit

• Channels - Dual Analog Inputs

• Operating voltage - 2.7V to 5.5V DC (Typical)

• Communication interface - SPI

• Maximum sampling rate - 500Hz

• Input types - Differential and Single-Ended

• Programmable gain amplifier - Built-in

• Package / 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