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Interfaces and Sample Rate Converters

CS8416

192 kHz Digital Audio Receiver
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CS8416 Overview

The CS8416 is a digital audio receiver that supports sample rates up to 192 kHz. It enables consumer and professional audio products to exchange S/PDIF and AES/EBU audio data. An 8:2 input multiplexer allows for up to eight channels of digital audio input data. The second output of the input multiplexer allows for a S/PDIF pass-through function for added system flexibility. It has an extremely low-jitter clock-recovery mechanism that yields a very clean recovered clock from the incoming audio stream. The device also allows for selectable signal routing to three general-purpose output pins. With its extremely low-jitter performance of 200 ps, the CS8416 is an industry-leading 192 kHz digital audio receiver. The CS8416 is ideal for consumer and professional applications such as audio/video receivers, multimedia speakers, digital mixing consoles, automotive audio systems and set-top boxes.

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Product Features

  • Compatible with EIAJ CP1201, IEC-60958 and AES3 standards

  • 8:2 S/PDIF input mux; selectable pins in hardware mode

  • Selectable signal routing to three general-purpose output pins

  • S/PDIF to Tx inputs selectable in hardware mode

  • Flexible 3-wire serial digital output port

  • 32 kHz to 192 kHz sample frequency range

  • Low-jitter clock-recovery

  • Pin and microcontroller read access to channel status and user data

  • SPI (serial port interface) or I²C control port software mode and standalone hardware mode

  • Differential cable receiver

  • On-chip channel status data buffer memories

  • Autodetection of compressed audio input streams

  • Decodes CD Q subcode

  • OMCK system clock mode

  • 3.3 V analog supply (VA), 3.3 V digital supply (VD) and 3.3 V to 5 V digital interface supply (VL)

  • Package: 28-pin SOIC, 28-pin TSSOP, 28-pin QFN; lead-free assembly

Parametric Specifications

On-Chip Line DriverNo
On-Chip SRCNo
Host InterfaceYes
IEC-60958, AES-3, S/PDIF TX Outputs8
Sample Rate (kHz)32-192
Analog Power Supply (V)3.3
Digital Power Supply (V)3.3
Logic Power Supply (V)3.3
Package28 SOIC; 28 TSSOP; 28 QFN

Design Resources

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Evaluation Boards

  • CS8416 Digital Audio Receiver Evaluation Board (CDB8416)

    The CDB8416 evaluates the Cirrus Logic CS8416 digital audio receiver and CS8406 digital audio transmitter. It supports AES/EBU, S/PDIF and EIAJ-340 digital audio over balanced XLR and unbalanced coaxial or optical connectors.

    User Guide

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