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CS7622 Datasheet(PDF) 2 Page - Cirrus Logic

Part No. CS7622
Description  CCD Imager Analog Processor
Download  36 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS7622 Datasheet(HTML) 2 Page - Cirrus Logic

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CS7622
2
DS322PP1
TABLE OF CONTENTS
1.0 CHARACTERISTICS/SPECIFICATIONS ........................................................... 4
1.1
DIGITAL CHARACTERISTICS.................................................................... 4
1.2
POWER CONSUMPTION ........................................................................... 4
1.3
RECOMMENDED OPERATING CHARACTERISTICS............................... 4
1.4
ABSOLUTE MAXIMUM RATINGS .............................................................. 4
1.5
ADC (ANALOG-TO-DIGITAL CONVERTER).............................................. 5
1.6
CDS/VGA PARAMETERS........................................................................... 5
1.7
SERIAL INTERFACE TIMING SPECIFICATIONS ...................................... 5
2.0 GENERAL DESCRIPTION .................................................................................. 7
3.0 OPERATION ........................................................................................................ 8
3.1
CDS/VGA (correlated double sampling/variable gain amplification) ........... 8
3.2
Black Level Adjustment ............................................................................ 10
3.3
Gain Adjust Block ..................................................................................... 11
3.4
13-to-10 Bit Compander ........................................................................... 12
3.5
Stand By and Preview Mode ................................................................... 14
3.6
Serial Interface .......................................................................................... 14
3.7
Input Timing for Sampling Clocks ............................................................. 15
4.0 REGISTER DESCRIPTIONS ............................................................................. 17
Reset ........................................................................................................ 18
Power down Control 1 .............................................................................. 18
Operation Control 1 .................................................................................. 19
Operation Control 2 .................................................................................. 20
Black Level Control (8 LSBs) .................................................................... 20
Black Level Control (MSB) ........................................................................ 21
Black Level Control - General ................................................................... 21
Black Level Control - Loop Gain, Clamp Length ....................................... 22
Gain Calibration Offset 1 .......................................................................... 23
Gain Calibration Offset 2 .......................................................................... 23
Gain Calibration Offset 3 .......................................................................... 23
Fixed Gain ................................................................................................ 25
Compander - Black slope, Slopes (MSBs) ............................................... 27
Compander Slope 1 (LSBs) ...................................................................... 27
Compander Slope 2 (LSBs) ...................................................................... 27
Compander Slope 3 (LSBs) ...................................................................... 28
Compander Slope 4 (LSBs) ...................................................................... 28
Compander Offset 1 ................................................................................. 28
Compander Offset 2 (MSBs) .................................................................... 29
Compander Offset 2 (LSBs) ..................................................................... 29
Compander Offset 3 (LSBs) ..................................................................... 29
Compander Offset 4 (LSBs) ..................................................................... 29
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/
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.


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