AD7705 16 bit ADC Module with PGA and SPI Interface

Description and specifications

AD7705 is a digital analog converter for low frequency measurements. The conversion method is sigma-delta, the resolution is 16 bits. The dissipated power is reduced, being built with CMOS technology. Gain, polarity and read rate can be programmed via the SPI interface.

• Power supply with voltages from 3.3V to 5V, DC
• Interface: SPI
• Maximum communication frequency: 2.5MHz
• Sampling frequency = gain * Fclkin / 64 (for gain from 1 to 4)
• Sampling frequency = Fclkin / 8 (for gain from 8 to 128)
• External voltage reference LM285 (2.5V)
• Programmable gain (1-128)
• Buffer entries
• Maximum dissipated power: 1mW at 3V

This module can connect directly to the analog sensors in your projects and you can thus easily read the data.

Datasheet available in the Downloads section below.

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