參數(shù)資料
型號(hào)： CDB4226
廠商： Cirrus Logic, Inc.
元件分類： Codec
英文描述： Surround Sound Codec
中文描述： 環(huán)繞聲編解碼器
文件頁(yè)數(shù)： 2/60頁(yè)
文件大?。?/td> 1619K
代理商： CDB4226
CS4226
2
DS188F1
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
I
2
C 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
license under patents, copyrights, trademarks, or trade secrets. No part of this publication may be copied, reproduced, stored in a retrieval system,
or transmitted, in any form or by any means (electronic, mechanical, photographic, or otherwise). Furthermore, no part of this publication may be
used as a basis for manufacture or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of Cirrus Logic,
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. I
2
C is a registered trademark of Philips Semiconductor.
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