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| 型号： | TC254P |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDIP8 |
| 封装： | 2.54 MM PITCH, WINDOWED, PLASTIC, DIP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 245K |
| 代理商： | TC254P |
TC254P
336-
× 244-PIXEL CCD IMAGE SENSOR
SOCS060B – JUNE 1997 – REVISED JULY 1998
Copyright
1998, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Medium-Resolution, Solid-State Image
Sensor for Low-Cost Color TV Applications
324(H) x 243(V) Active Elements in Image
Sensing Area
10-m Square Pixels
Small Size
Low Cost
Fast Clear Capability
Electronic Shutter Function From
1/60–1/50000 s
Low Dark Current
Electron-Hole Recombination Antiblooming
Dynamic Range...66 dB Typical
High Sensitivity
High Blue Response
8-Pin Dual-In-Line Plastic Package
4-mm Image-Area Diagonal
Solid-State Reliability With No Image
Burn-In, Residual Imaging, Image
Distortion, Image Lag, or Microphonics
description
The TC254P is a frame-transfer charge-coupled device (CCD) designed for use in color NTSC TV and special-
purpose applications requiring low cost and small size.
The image-sensing area of the TC254P is configured in 243 lines with 336 elements in each line. Twelve
elements are provided in each line for dark reference. The blooming-protection feature of the sensor is based
on recombining excess charge with charge of opposite polarity in the substrate. This antiblooming is activated
by supplying clocking pulses to the antiblooming gate, which is an integral part of each image-sensing element.
The sensor can be operated in a non-interlace mode as a 324(H) by 243(V) square color pixel mode by
alternately averaging two red pixels for red pixels and two blue pixels for blue pixels. Because the human eye
is most sensitive to the green light wavelength, the 324
×243 resolution is preserved due to the orientation of
the green pixels in the Bayer mosaic color filter pattern.
The device can also be operated in a 162(H) by 121(V) square color pixel mode by utilizing a separate red, two
averaged greens, and a blue pixel for each color pixel. In this mode, true interlaced video is possible, effectively
increasing the vertical resolution, by performing a one pixel shift during the off-chip video processing.
One important aspect of this image sensor is its high-speed image-transfer capability. This capability allows for
an electronic shutter function comparable to interline-transfer and frame-interline-transfer sensors without the
loss of sensitivity and resolution inherent in those technologies.
This MOS device contains limited built-in gate protection. During storage or handling, the device leads should be shorted together
or the device should be placed in conductive foam. In a circuit, unused inputs should always be connected to SUB. Under no
circumstances should pin voltages exceed absolute maximum ratings. Avoid shorting OUTn to ADB during operation to prevent
damage to the amplifier. The device can also be damaged if the output terminals are reverse-biased and an excessive current is
allowed to flow. Specific guidelines for handling devices of this type are contained in the publication
Guidelines for Handling
Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available from Texas Instruments.
DUAL-IN-LINE PACKAGE
(TOP VIEW)
IAG2
ADB
SUB
OUT
ABG
IAG1
SAG
SRG
1
2
3
4
8
7
6
5
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC255 | 制造商:TI 制造商全称:Texas Instruments 功能描述:336- 】 244-pixel ccd image sensor |
| TC2550 | 功能描述:铝质电解电容器 - 带引线 5000uF 25Volts RoHS:否 制造商:Kemet 引线类型: 电容:220 uF 容差:20 % 电压额定值:25 V 工作温度范围: 端接类型:Radial 外壳直径:8 mm 外壳长度:11 mm 引线间隔:5 mm 产品:General Purpose Electrolytic Capacitors 封装:Bulk |
| TC255P | 制造商:Texas Instruments 功能描述:IMAGE SENSOR B/W CCD 336X244PIXELS 8PDIP - Bulk |
| TC2571 | 制造商:TRANSCOM 制造商全称:TRANSCOM 功能描述:1 W Low-Cost Packaged PHEMT GaAs Power FETs |
| TC2574 | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:0.5A Step-Down Switching Regulator |
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