The CS5550 is a two-channel, low-cost A/D converter with features such as low power consumption, adjustable input range, single supply GND-referenced signals, on-chip 2.5V reference, and a simple three-wire digital serial interface.
The CS5550 is a dual‑channel analog‑to‑digital converter with a simple three‑wire serial interface. It features on‑chip calibration, a 2.5 V reference, and low power consumption suitable for portable applications.
The document provides detailed pin descriptions, analog and digital characteristics, recommended operating conditions, switching specifications, and package dimensions for the 24‑pin SSOP version of the device.
| Power Consumption (active, VD+ = 3.3 V) | <12 mW |
|---|---|
| Common‑Mode Rejection (DC, 50/60 Hz) | 80 dB |
| Operating Temperature Range | -40 °C to +85 °C |
The device consumes less than 12 mW when powered at VD+ = 3.3 V.
It is specified for operation from –40 °C to +85 °C.
It uses a simple three‑wire serial interface (SCLK, SDI, SDO, CS).