Datasheet > VSP2230Y

VSP2230Y

更新时间： 2024-11-14 21:55:27

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描述
CCD SIGNAL PROCESSOR FOR DIGITAL CAMERAS

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获取价格

数据手册

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VSP2230Y 数据手册

VSP2230

SLAS319 – MAY 2001

CCD SIGNAL PROCESSOR

FOR DIGITAL CAMERAS

FEATURES

DESCRIPTION

CCD Signal Processing

– Correlated Double Sampling (CDS)

– Programmable Black Level Clamping

TheVSP2230isacompletemixed-signalprocessingIC

for digital cameras that provides signal conditioning and

analog-to-digital conversion for the output of a CCD

array. The primary CCD channel provides correlated

double sampling (CDS) to extract the video information

fromthepixels, a–6-dBto42-dBgainwithdigitalcontrol

for varying illumination conditions, and black level

clamping for an accurate black level reference.

Programmable Gain Amplifier (PGA)

– –6-dB to 42-dB Gain Ranging

10-Bit Digital Data Output

– Up to 36-MHz Conversion Rate

– No Missing Codes

76-dB Signal-to-Noise Ratio

Input signal clamping and offset correction of the input

CDS is also performed. The stable gain control is linear

in dB. Additionally, the black level is quickly recovered

after gain change.

Portable Operation

– Low Voltage: 2.7 V to 3.6 V

– Low Power: 120 mW (typ) at 3.0 V

– Standby Mode: 6 mW

The VSP2230Y is pin-to-pin compatible with the

VSP2260Y (10 bit, 20 MHz) one-chip product.

The VSP2230Y is available in a 48-pin LQFP package

and operates from a single 3-V/3.3-V supply.

VSP2230 block diagram

CLPDM

SHP SHD

SLOAD SCLK SDATA

Serial Interface

RESET

ADCCK DRV

Input

Clamp

Timing Control

B(0–9)

Correlated

Double

Sampling (CDS)

Programmable

Gain Amplifier

(PGA)

10-Bit

Digital

Output

Latch

CCDIN

Analog-to-Digital

Converter

–6 to 42 dB

Optical Black (OB)

Level Clamping

CCD

Output

Signal

Preblanking

PBLK

Reference Voltage Generator

COB

CPLOB

BYPP2 BYP BYPM REFN CM REFP

DRVGND

GNDA

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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VSP2232YG	TI	获取价格	暂无描述
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