VSP2230Y Datasheet

IC型號(hào)：
VSP2230Y
PDF描述：
CCD SIGNAL PROCESSOR FOR DIGITAL CAMERAS
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VSP2230

SLAS319 鈥?MAY 2001

CCD SIGNAL PROCESSOR

FOR DIGITAL CAMERAS

FEATURES

CCD Signal Processing

鈥?Correlated Double Sampling (CDS)

鈥?Programmable Black Level Clamping

Programmable Gain Amplifier (PGA)

鈥?鈥?-dB to 42-dB Gain Ranging

10-Bit Digital Data Output

鈥?Up to 36-MHz Conversion Rate

鈥?No Missing Codes

76-dB Signal-to-Noise Ratio

Portable Operation

鈥?Low Voltage: 2.7 V to 3.6 V

鈥?Low Power: 120 mW (typ) at 3.0 V

鈥?Standby Mode: 6 mW

DESCRIPTION

The VSP2230 is a complete mixed-signal processing IC

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

from the pixels, a 鈥?-dB to 42-dB gain 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 is also performed. The stable gain control is linear

in dB. Additionally, the black level is quickly recovered

after gain change.

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

RESET

ADCCK

DRVDD

VCC

Serial Interface

Input

Clamp

Timing Control

B(0鈥?)

Analog-to-Digital

Converter

Output

Latch

10-Bit

Digital

Output

CCDIN

Correlated

Double

Sampling (CDS)

Programmable

Gain Amplifier 鈥? to 42 dB

(PGA)

CCD

Output

Signal

Preblanking

Optical Black (OB)

Level Clamping

Reference Voltage Generator

PBLK

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.

錚?/div>

2001, Texas Instruments Incorporated

www.ti.com

標(biāo)準(zhǔn)包裝
250
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集成電路 (IC)
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線性 - 視頻處理
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類型
CCD 信號(hào)處理器，10 位
應(yīng)用
照相機(jī)
安裝類型
表面貼裝
封裝/外殼
48-LQFP
供應(yīng)商設(shè)備封裝
48-LQFP（7x7）
包裝
托盤
其它名稱
296-12048296-12048-ND

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