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Codecs

CS4233BSE

High-performance stereo audio codec
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CS4233BSE Overview

The CS4233BSE is part of a new series of pro-audio converters aimed at giving cost-effective transparent audio conversion. All within one device that is easy to use and provides system level cost savings. The CS4233BSE is a high-performance, 32-bit resolution, stereo Codec. The CS5312BSE supports single-ended analog input/outputs and 32-bit digital output/inputs via the audio serial port (ASP) at sample rates up to 384 kHz. The ADC uses a 5th-order, multibit sigma-delta modulator followed by digital filtering and decimation. This provides a dynamic range of over 110 dB and THD+N below -104 dB all within a 25 mW/ch power budget. The voltage-output DAC incorporates a proprietary analog FIR architecture to reduce out-of-band noise and minimize the external component requirements. This provides a dynamic range of over 115 dB and THD+N below -107 dB. The device can be powered from a single rail and controlled by either hardware pins, I2C or SPI, making it both flexible and easy to integrate. This, together with Cirrus Logic’s analog gain feature, makes the CS4233BSE ideal for digital mixing consoles, DAW interfaces, effects processors, musical instruments and audio/video receivers.

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

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Product Features

  • High-performance stereo codec

    • Single-ended analog inputs/outputs

    • High-resolution 32-bit digital architecture

    • Low-latency digital filters and digital volume control

  • Crystal oscillator interface

  • Sample timing alignment across multiple devices

  • Virtual passive attenuation device (PAD)

  • Clip detection

  • Signal activity detection

  • Audio serial port (ASP) sample rates up to 384 kHz

    • I2S, left-justified, and TDM data formats

  • 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 TypeSingle-ended
Analog Output TypeSingle-ended
Channels In2
Channels Out2
Control InterfaceSPI/I²C
ADC Dynamic Range (dB)110
DAC Dynamic Range (dB)115
ADC THD+N (dB)-104
DAC THD+N (dB)-107
Sample Rate (kHz)384
Analog Power Supply (V)3.3
Digital Power Supply (V)3.3
Logic Power Supply (V)1.8-3.3
Target MarketPro Audio
Package40 QFN

Design Resources

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Evaluation Boards

  • CS4233BSE Audio Codec Evaluation Board (DC4233BSE-CODEC)

    The DC4233BSE-CODEC evaluates the Cirrus Logic CS4233BSE high-performance two-channel audio codec. A daughter card for the CDB-PROAUDIO system, it connects via a JURA module and supports hardware or software control.

    User 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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