The CS5381 is a high performance, low power, high dynamic range 24-bit multi-bit analog-to-digital converter that can be used in digital audio systems. It uses a 5th-order multi-bit delta-sigma modulator, supports 192 kHz sampling rate, and has high-pass filter or DC offset calibration, logic level support, differential analog architecture, low-latency digital filtering, overflow detection and other features.
The CS5381 is a 24‑bit multi‑bit delta‑sigma audio analog‑to‑digital converter offering 120 dB dynamic range and up to 192 kHz sample rates. It integrates analog and digital sections, high‑pass filtering, overflow detection, and low‑latency digital filtering for high‑fidelity audio applications.
The document provides pin descriptions, electrical characteristics, analog and digital filter specifications, typical connection diagrams, ordering information, and revision history. It also includes performance tables for dynamic range, THD+N, supply requirements, and package dimensions.
| Dynamic Range (A‑weighted) | 120 dB (typical) |
|---|---|
| Analog Supply Voltage (VA) | 5.0 V (typical) |
| Digital Supply Voltage (VD) | 3.1 V to 5.25 V |
| Maximum Sample Rate | 192 kHz |
| Power Consumption | 260 mW |
The CS5381 supports sample rates up to 192 kHz.
The device provides a typical A‑weighted dynamic range of 120 dB.
Analog supply (VA) is 4.75 V to 5.25 V (typical 5.0 V) and digital supply (VD) is 3.1 V to 5.25 V.
Yes, the OVFL pin provides overflow detection for both channels.