This document is the user guide for the AD7780 evaluation board, which is a 24-bit pin-programmable, low power Sigma-Delta ADC. The evaluation board features a standalone USB interface, various linking options, and PC software for control of the AD7780.
This document provides instructions for the AD7780 evaluation board, a standalone USB interface device for the Analog Devices AD7780 24-bit, pin-programmable, low power, sigma-delta ADC. The guide details the board's features, including its differential input, low noise instrumentation amplifier, and on-board clock. It explains how to configure the sixteen groups of link options for various operating setups, such as noise analysis or external voltage application.
| Resolution | 24-bit |
|---|---|
| Input Type | Differential |
| Output Data Rate | 10 Hz or 16.7 Hz |
| Noise (RMS) | 44 nV |
| Power Supply | 5 V via USB |
It serves as a full-featured evaluation board for the AD7780 with a standalone USB interface.
It is powered via the 5 V supply from the USB connector, J1, or alternatively via an external 3 V or 5 V power supply via J2.
PC software is available with the evaluation board that allows users to easily communicate with the AD7780.