This document introduces the features of the CS4382A product, including 24-bit conversion, up to 192kHz sampling rate, 114dB dynamic range, -100dB THD+N, Direct Stream Digital Mode, On-chip 50 kHz filter, Matched PCM and DSD analog output levels, Selectable Digital Filters, Volume Control with 1-dB Step Size and Soft Ramp, Low Clock Jitter Sensitivity, +5 V Analog Supply, +2.5 V Digital Supply, Separate 1.8 to 5 V Logic Supplies for the Control & Serial Ports.
The CS4382A is an 8‑channel digital‑to‑analog converter featuring a multi‑bit delta‑sigma architecture, 24‑bit conversion, and support for PCM and DSD audio formats. The datasheet provides complete pin descriptions, electrical characteristics, and register maps for hardware and software integration.
Key sections include pin description, electrical specifications, application notes, register quick reference, and ordering information, allowing designers to implement the device in audio equipment, sound cards, and automotive audio systems.
| Analog power supply (VA) min | 4.75 V |
|---|---|
| Analog power supply (VA) max | 5.25 V |
| Digital internal power (VD) min | 2.37 V |
| Digital internal power (VD) max | 2.63 V |
| Serial data port interface power (VLS) max | 5.25 V |
| Control port interface power (VLC) max | 5.25 V |
| Maximum input current per pin | 10 mA |
The analog power supply (VA) should be between 4.75 V and 5.25 V.
Any pin (except the supply pins) may source or sink up to 10 mA.
The digital internal supply (VD) must be between 2.37 V and 2.63 V.