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A/D Converters

CS5308S

High performance 8-channel analog-to-digital converter

CS5308S Overview

The CS5308S is an 8-channel audio ADC providing 32-bit resolution at a rate of up to 768kHz. The CS5308S’s integrated hybrid gain control feature reduces the external pre-amp control circuitry, offering a reduced BOM and simplified design when compared with alternative solutions. The CS5308S is ideal for cost sensitive applications that require a combination of both high performance and low power, offering >115 dB dynamic range and THD+N below -110 dB, all within a 25 mW/ch power budget. Learn more about Cirrus Logic's high performance audio solutions.

Product Features

  • High performance eight-channel ADC

    • Differential analog architecture

    • 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

  • Hybrid gain control

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

Package48-pin QFN
Analog Input TypeDifferential
Channels In8
ADC Dynamic Range (dB)118
ADC THD+N (dB)-105
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
Operational Power Consumption (mW)200

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 ADC Card Family (CDB-DC530x-ADC)

    Dunglass ADC Card Family (CDB-DC530x-ADC)

    The DC53xx-ADC family are daughter cards for the Cirrus Logic Dunglass (CDB-PROAUDIO) system, providing the platform to evaluate the CS5302P, CS5304P/4S and CS5308P/8S high-performance ADC devices, with hardware/software control modes and configurable ADC input summing.

    Order SampleUser Guide

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