CS4226 Datasheet, PDF (2/60 Pages) Cirrus Logic – Surround Sound Codec

CS4226
TABLE OF CONTENTS
CHARACTERISTICS/SPECIFICATIONS ............................................................ 3
ANALOG CHARACTERISTICS................................................................... 3
SWITCHING CHARACTERISTICS ............................................................. 5
SWITCHING CHARACTERISTICS - CONTROL PORT ............................. 6
S/PDIF RECEIVER CHARACTERISTICS................................................... 7
ABSOLUTE MAXIMUM RATINGS .............................................................. 8
RECOMMENDED OPERATING CONDITIONS .......................................... 8
DIGITAL CHARACTERISTICS.................................................................... 8
FUNCTIONAL DESCRIPTION .......................................................................... 10
Overview ................................................................................................... 10
Analog Inputs ............................................................................................ 10
Line Level Inputs ................................................................................ 10
Adjustable Input Gain ......................................................................... 11
High Pass Filter .................................................................................. 11
Analog Outputs ......................................................................................... 11
Line Level Outputs ............................................................................. 11
Output Level Attenuator ..................................................................... 11
Clock Generation ...................................................................................... 12
Clock Source ...................................................................................... 12
Master Clock Output .......................................................................... 13
Synchronization .................................................................................. 13
Digital Interfaces ....................................................................................... 13
Audio DSP Serial Interface Signals .................................................... 13
Audio DSP Serial Interface Formats .................................................. 13
Auxiliary Audio Port Signals ............................................................... 15
Auxiliary Audio Port Formats .............................................................. 15
S/PDIF Receiver ................................................................................ 15
AC-3/MPEG Auto Detection ............................................................... 16
Control Port Signals .................................................................................. 16
SPI Mode ........................................................................................... 16
I²C Mode ............................................................................................ 17
Control Port Bit Definitions ................................................................. 17
Power-up/Reset/Power Down Mode ......................................................... 18
DAC Calibration ........................................................................................ 18
De-Emphasis ............................................................................................ 18
HOLD Function ......................................................................................... 19
Power Supply, Layout, and Grounding ..................................................... 19
ADC and DAC Filter Response Plots ....................................................... 19
REGISTER DESCRIPTION ............................................................................... 21
PIN DESCRIPTION ............................................................................................ 29
PARAMETER DEFINITIONS ............................................................................. 34
PACKAGE DIMENSIONS .................................................................................. 35
Advanced product information describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best
efforts to ensure that the information contained in this document is accurate and reliable. However, the information is subject to change without
notice and is provided “AS IS” without warranty of any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of
this information, nor for infringements of patents or other rights of third parties. This document is the property of Cirrus Logic, Inc. and implies no
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Inc. or other vendors and suppliers appearing in this document may be trademarks or service marks of their respective owners which may be reg-
istered in some jurisdictions. A list of Cirrus Logic, Inc. trademarks and service marks can be found at http://www.cirrus.com.
Dolby and AC-3 are registered trademarks, Dolby Pro-Logic is a trademark of Dolby Laboratories Licensing Corporation. DTS is a registered trade-
mark of DTS, Inc.. THX is a registered trademark of LucasArts Entertainment Company. I²C is a registered trademark of Philips Semiconductor.
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