This document introduces the features and characteristics of the CS5509 single-supply 16-bit A/D converter.
The CS5509 is a single‑supply, 16‑bit delta‑sigma analog‑to‑digital converter with serial output. It offers low power consumption, on‑chip self‑calibration, and selectable unipolar/bipolar input ranges for loop‑powered transmitters, panel meters, weigh scales, and battery‑powered instruments.
The document provides detailed analog and digital characteristics, switching timing, package dimensions, environmental specifications, and ordering information for the AP, AS, and ASZ variants.
| Resolution | 16‑bit |
|---|---|
| Maximum Sample Rate | 200 samples per second |
| Power Dissipation | 1.7 mW |
| Common Mode Rejection | 105 dB |
| Input Capacitance | 15 pF |
The CS5509‑AP operates from –40 °C to +85 °C.
The high‑level input voltage (XIN) is specified as 3.5 V.
The CS5509 is available in a 16‑pin package.