AD7724 is a dual CMOS sigma-delta modulator manufactured by Analog Devices. The device uses a 2.5 V voltage reference, supports 0 V to +2.5 V or ±1.25 V input range, has a 13 MHz master clock frequency, single bit output stream, and 90 dB dynamic range.
The AD7724 is a dual CMOS sigma‑delta modulator ADC offered in a 48‑lead LQFP package. It operates from a 5 V supply and supports input ranges of 0 V to +2.5 V (or +1.25 V) with a 13 MHz master clock. The device provides a 90 dB dynamic range and includes an on‑chip 2.5 V reference.
The document provides full specifications, timing characteristics, absolute maximum ratings, pin descriptions, and typical performance graphs. It also includes ordering information and revision history for the AD7724.
| Master Clock Frequency | 13 MHz |
|---|---|
| Dynamic Range | 90 dB typ |
| Input Voltage Range | 0 V to +2.5 V or +1.25 V |
| Power Supply (AVDD/DVDD) | 5 V ±5% |
| Operating Temperature Range | –40 °C to +85 °C |
The AD7724 accepts a differential input range of 0 V to +2.5 V or +1.25 V, depending on the mode.
The device provides a typical dynamic range of 90 dB.
It is designed to operate from –40 °C to +85 °C.