The AD677 is a multipurpose 16-bit serial output analog-to-digital converter which utilizes a switched-capacitor technology and integrated autocalibration circuitry. It has a 16-bit resolution, 100kSPS sampling rate, -99dB THD and 92dB S/(N+D) performance.
The AD677 is a multipurpose 16‑bit ADC that uses a switched‑capacitor charge‑redistribution architecture to achieve a 100 kSPS conversion rate. It features on‑chip autocalibration, TTL‑compatible serial interface, and excellent AC performance (‑99 dB THD, 92 dB S/(N+D)).
The datasheet provides functional block diagrams, pin descriptions, timing specifications, and full electrical characteristics, including power consumption, input ranges, and package options (16‑pin DIP, 16‑pin ceramic, 28‑lead SOIC).
| Resolution | 16 bits |
|---|---|
| Conversion Rate | 100 kSPS |
| Total Harmonic Distortion (THD) | ‑99 dB |
The AD677 accepts an input range of ±5 V to ±10 V (±VREF).
A conversion requires 17 clock pulses.