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VSP2260

产品描述CCD SIGNAL PROCESSOR for DIGITAL CAMERAS
文件大小210KB,共13页
制造商Burr-Brown
官网地址http://www.burr-brown.com/
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VSP2260概述

CCD SIGNAL PROCESSOR for DIGITAL CAMERAS

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VSP2260
VSP
226
0
www.ti.com
CCD SIGNAL PROCESSOR for
DIGITAL CAMERAS
FEATURES
q
CCD SIGNAL PROCESSING:
Correlated Double Sampling (CDS)
Programmable Black Level Clamping
q
PROGRAMMABLE GAIN AMPLIFIER (PGA):
–6dB to +42dB Gain Ranging
q
10-BIT DIGITAL DATA OUTPUT:
Up to 20MHz Conversion Rate
No Missing Codes
q
79dB SIGNAL-TO-NOISE RATIO
q
PORTABLE OPERATION:
Low Voltage: 2.7V to 3.6V
Low Power: 83mW (typ) at 3.0V
Stand-By Mode: 6mW
CLPDM
SHP SHD
SLOAD SCLK SDATA
DESCRIPTION
The VSP2260 is a complete mixed-signal processing
IC for digital cameras, providing signal conditioning
and Analog-to-Digital (A/D) conversion for the output
of a CCD array. The primary CCD channel provides
Correlated Double Sampling (CDS) to extract video
information from the pixels, –6dB to +42dB gain
range with digital control for varying illumination
conditions, and black level clamping for an accurate
black level reference. Input signal clamping and offset
correction of the input CDS are also performed. The
stable gain control is linear in dB. Additionally, the
black level is quickly recovered after gain change. The
VSP2260Y is available in an LQFP-48 package and
operates from a single +3V/+3.3V supply.
RESET
ADCCK
DRV
DD
V
CC
Serial Interface
Input
Clamp
Timing
Control
CCDIN
Correlated
Double
Sampling
(CDS)
Programmable
Gain
Amplifier
(PGA)
–6dB
to
+42dB
Analog-
to-
Digital
Converter
Output
Latch
10-Bit
Digital
Output
B[9:0]
CCD
Output
Signal
Preblanking
Optical Black (OB)
Level Clamping
Reference Voltage Generator
PBLK
COB
CLPOB
BYPP2
BYP
BYPM
REFN
CM
REFP
DRVGND
GNDA
Copyright © 2000, Texas Instruments Incorporated
SBMS010
Printed in U.S.A. November, 2000

VSP2260相似产品对比

VSP2260 VSP2260Y/2KC VSP2260Y/2K VSP2260Y
描述 CCD SIGNAL PROCESSOR for DIGITAL CAMERAS CCD SIGNAL PROCESSOR for DIGITAL CAMERAS SPECIALTY CONSUMER CIRCUIT, PQFP48 SPECIALTY CONSUMER CIRCUIT, PQFP48

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