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CS8420-CS Datasheet(PDF) 1 Page - Cirrus Logic |
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CS8420-CS Datasheet(HTML) 1 Page - Cirrus Logic |
1 / 94 page Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved) http://www.cirrus.com Digital Audio Sample Rate Converter Features Complete IEC60958, AES3, S/PDIF, EIAJ CP1201-compatible Transceiver with Asynchronous Sample Rate Converter Flexible 3-wire Serial Digital I/O Ports 8-kHz to 108-kHz Sample Rate Range 1:3 and 3:1 Maximum Input to Output Sample Rate Ratio 128 dB Dynamic Range -117 dB THD+N at 1 kHz Excellent Performance at Almost a 1:1 Ratio Excellent Clock Jitter Rejection 24-bit I/O Words Pin and Microcontroller Read/Write Access to Channel Status and User Data Microcontroller and Stand-Alone Modes General Description The CS8420 is a stereo digital audio sample rate con- verter (SRC) with AES3-type and serial digital audio inputs, AES3-type and serial digital audio outputs, and includes comprehensive control ability via a 4-wire mi- crocontroller port. Channel status and user data can be assembled in block-sized buffers, making read/modify/write cycles easy. Digital audio inputs and outputs may be 24, 20, or 16 bits. The input data can be completely asynchronous to the output data, with the output data being synchronous to an external system clock. The CS8420 is available in a 28-pin SOIC package in both Commercial (-10º to +70º C) and Automotive grades (-40º to +85º C). The CDB8420 Customer Dem- onstration board is also available for device evaluation and implementation suggestions. Please refer to “Ordering Information” on page 93 for or- dering information. Target applications include CD-R, DAT, MD, DVD and VTR equipment, mixing consoles, digital audio trans- mission equipment, high-quality D/A and A/D converters, effects processors, and computer audio systems. Serial Audio Input Clock & Data Recovery Misc. Control AES3 S/PDIF Encoder Serial Audio Output Receiver AES3 S/PDIF Decoder Sample Rate Converter C&Ubit Data Buffer Control Port & Registers Output Clock Generator RXN RXP ILRCK ISCLK SDIN OLRCK OSCLK SDOUT TXP TXN RST OMCK EMPH U TCBL SDA/ CDOUT SCL/ CCLK AD1/ CDIN AD0/ CS INT VA+ AGND FILT RERR VD+ DGND H/S RMCK Driver APRIL '07 DS245F4 CS8420 |
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