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CS4282P

High-performance stereo audio codec
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CS4282P Overview

The CS4282P is a 32-bit audio codec integrating a 2-channel ADC and a 2 channel-DAC, delivering 123 dB SNR on the ADC and 128 dB SNR on the DAC for high dynamic range audio capture and playback. The integrated ADC hybrid gain control reduces the external preamplifier circuitry, lowering BOM costs and simplifying audio system design compared to discrete ADC implementations. The integrated DAC includes proprietary adaptive filtering that maintains clarity, tonal accuracy, and consistent frequency response across a wide sample rate range from 44.1 kHz to 768 kHz. By combining high resolution ADC and DAC functions in a single audio codec, the CS4282P enables reduced component count, lower system cost, and smaller board area, while achieving full performance without requiring specialized low noise power supplies.

Learn more about Cirrus Logic’s high-performance audio solutions.

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Product Features

  • High-performance stereo codec

    • Differential analog inputs/outputs

    • High-resolution 32-bit digital architecture

    • Low-latency digital filters and digital volume control

  • PLL supports range of external system-clock references

  • Synchronous operation across multiple devices

  • Audio serial port (ASP) sample rates up to 768 kHz

    • I2S, left-justified, and TDM data formats

    • DSD up to 512xfs

  • Hybrid Gain Control

  • Hardware and software control modes

    • Hardware control with no host processor required

    • I2C control port up to 1 MHz

    • SPI control port up to 24 MHz

  • Single-supply operation at 3.3 V

    • Support for 1.8 V–3.3 V digital input/output

Parametric Specifications

Analog Input TypeDifferential
Analog Output TypeDifferential
Channels In2
Channels Out2
Control InterfaceSPI/I²C
ADC Dynamic Range (dB)123
DAC Dynamic Range (dB)129
ADC THD+N (dB)-110
DAC THD+N (dB)-115
Sample Rate (kHz)768-768
Analog Power Supply (V)3.3-3.3
Digital Power Supply (V)3.3-3.3
Logic Power Supply (V)1.8-3.3
Target MarketPro Audio
FeaturesIn: 123 dB dynamic range (A-weighted), –110 dB total harmonic distortion + noise, Hybrid gain control Out: 129 dB dynamic range (A-weighted), –115 dB total harmonic distortion + noise, Advanced digital filters
Package48 QFN

Design Resources

CAD DIAGRAM

CS4282P-DN

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Evaluation Boards

  • CS4282P Audio Codec Evaluation Board (DC4282P-CODEC)

    The DC4282P-CODEC evaluates the Cirrus Logic CS4282P high-performance ADC, DAC and codec device. A daughter card for the CDB-PROAUDIO system, it offers S/PDIF I/O, hardware and software control modes and configurable routing.

    Order SampleUser Guide
  • Pro Audio Evaluation System (CDB-PROAUDIO)

    Pro Audio Evaluation System (CDB-PROAUDIO)

    The CDB-PROAUDIO is the motherboard platform for evaluating Cirrus Logic high-performance ADC, DAC and codec devices. It provides analog and S/PDIF I/O, 8-channel USB streaming via the Jura module, and accepts device-specific daughter cards.

    Order SampleUser Guide
  • ETLUM2-SOM USB Control Audio Streaming Board

    ETLUM2-SOM USB Control Audio Streaming Board

    Order Sample

Software Packages

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Pricing

Part Number

Container

Grade

Temp

Budgetary Price

Sample

CS4282P-DN
Tray
Commercial
–40 to +85°C
$
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7.10
1ku
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CS4282P-DNR
Tape and Reel
Commercial
–40 to +85°C
$
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7.10
1ku
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DC4282P-CODEC
Daughter Card
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$
168
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Board
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CDBPROAUDIO
Base Platform
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$
696
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Board
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ETLUM2-SOM
USB Audio Streaming Board
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$
222
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Board
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*Prices are shown in USD and are non-binding, indicative pricing provided for reference only and are subject to change without notice.
Nothing on this page constitutes an offer for sale or other binding commitment. For bulk ordering, contact one of our distributors.

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