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D/A Converters

CS4308P

High performance 8-channel digital-to-analog converter

CS4308P Overview

The CS4308P is an 8-channel, 32-bit resolution audio DAC supporting sample rates of up to 768 kHz. The CS4308P's proprietary filtering adapts to preserve clarity and tonal accuracy across sample rates of 44.1 kHz to 768 kHz, creating a consistent sound that stays balanced independent to the content users are playing. Compared to alternative solutions that rely on specialized low-noise supplies, the CS4308P achieves 123 dB dynamic range without added BOM cost and complexity. Operating at 16 mW/ch, the CS4308P is optimized for high audio performance without compromising power efficiency or cost. Learn more about Cirrus Logic's high performance audio solutions.

Product Features

  • High performance 8-channel DAC

    • Differential analog 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

  • 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

Package48-pin QFN
Channels Out8
DAC Dynamic Range (dB)123
DAC THD+N (dB)-115
Sample Rate (kHz)768
Resolution (bits)32
Analog Power Supply (V)3.3
Digital Power Supply (V)3.3
Logic Power Supply (V)1.8-3.3
Output Level (Vrms)2

Design Resources

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Evaluation Boards

  • Dunglass System (CDB-PROAUDIO)

    Dunglass System (CDB-PROAUDIO)

    The Dunglass system (CDB-PROAUDIO) is the hardware platform for evaluating Cirrus Logic high-performance ADC, DAC and codec devices. It provides audio inputs/outputs, 8-channel USB streaming via the Jura module, S/PDIF I/O, and external audio serial port connections for a range of use cases.

    User Guide
  • Dunglass DAC Card Family (CDB-DC4304/4308-DAC)

    Dunglass DAC Card Family (CDB-DC4304/4308-DAC)

    The DC43xx-DAC family are daughter cards for the Cirrus Logic Dunglass (CDB-PROAUDIO) system, providing the platform to evaluate the CS4304P/4S and CS4308P/8S high-performance DAC devices, with S/PDIF I/O, hardware/software control modes and configurable DAC output summing.

    Order SampleUser Guide
  • Dunglass DAC Card (CDB-DC4308P-DAC)

    Dunglass DAC Card (CDB-DC4308P-DAC)

    The DC4308P-DAC is a daughter card for the Cirrus Logic Dunglass (CDB-PROAUDIO) system, providing the platform to evaluate the CS4308P 8-channel high-performance DAC, with S/PDIF I/O, hardware/software control modes and configurable DAC output summing.

    Order SampleUser Guide

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