cs4297 Cirrus Logic, Inc., cs4297 Datasheet - Page 3

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cs4297

Manufacturer Part Number
cs4297
Description
Crystalclear Soundfusion Audio Codec 97 Logic
Manufacturer
Cirrus Logic, Inc.
Datasheet

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DS242F5
CS4297
CrystalClear™ SoundFusion™ Audio Codec ’97
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/
Microsoft is a registered trademark of Microsoft Corporation in the United States and/or other countries.
Intel is a registered trademark of Intel Corporation.
Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-
mation 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) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user. However, no
part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical,
photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc.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 registered in some jurisdictions. A list of Cirrus Logic, Inc. trade-
marks and service marks can be found at http://www.cirrus.com.
POWER MANAGEMENT ................................................................................... 29
ANALOG HARDWARE DESCRIPTION ............................................................ 29
GROUNDING AND LAYOUT ............................................................................. 33
PERFORMANCE PLOTS ................................................................................... 34
PIN DESCRIPTIONS........................................................................................... 39
REFERENCES ................................................................................................... 43
PACKAGE DIMENSIONS ................................................................................... 44
Line-Level Inputs ....................................................................................... 29
Microphone Level Inputs ........................................................................... 30
Mono Inputs .............................................................................................. 30
Line Level Outputs .................................................................................... 31
Miscellaneous Analog Signals .................................................................. 32
Power Supplies .........................................................................................32
Input Mux Select Register (Index 1Ah) ............................................... 25
Record Gain Register (Index 1Ch) ..................................................... 26
Record Gain Mix (Index 1Eh) ............................................................. 26
General Purpose Register (Index 20h) ............................................... 26
Powerdown Control/Status Register (Index 26h) ...............................27
Reserved Registers (Index 28h - 58h) ................................................ 27
Crystal Revision and Fab ID Register (Index 5Ah) ............................. 27
Vendor Reserved Registers (Index 5C - 7Ah) .................................... 28
Vendor ID1 (Index 7Ch) .....................................................................28
Digital I/O Pins .................................................................................... 39
Analog I/O Pins ..................................................................................40
Filter and Reference Pins ................................................................... 42
Power Supplies ..................................................................................43
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