Datasheet > TC245

TC245

更新时间： 2024-02-15 03:14:58

品牌	Logo	应用领域
德州仪器 - TI		传感器图像传感器
页数	文件大小	规格书
19页	471K
描述
786- 】 488-pixel ccd image sensor

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TC245 数据手册

TC245

786- × 488-PIXEL CCD IMAGE SENSOR

SOCS019A – DECEMBER 1991

DUAL-IN-LINE PACKAGE

(TOP VIEW)

•

High-Resolution, Solid-State Image Sensor

for NTSC B/W TV Applications

8-mm Image-Area Diagonal, Compatible

With 1/2” Vidicon Optics

SUB

IAG

ABG

20 SUB

19 IAG

755 (H) x 242 (V) Active Elements in

Image-Sensing Area

18 ABG

17 SAG

16 SRG3

15 SRG2

14 SRG1

13 NC

ADB

OUT3

OUT2

OUT1

AMP GND

CDB

•

Advanced On-Chip Signal Processing

Low Dark Current

Electron-Hole Recombination Antiblooming

Dynamic Range . . . More Than 70 dB

High Sensitivity

12 TRG

11 IDB

SUB 10

High Photoresponse Uniformity

High Blue Response

NC – No internal connection

Single-Phase Clocking

Solid-State Reliability With No Image

Burn-in, Residual Imaging, Image

Distortion, Image Lag, or Microphonics

description

The TC245 is a frame-transfer charge-coupled device (CCD) image sensor designed for use in single-chip B/W

NTSC TV applications. The device is intended to replace a 1/2-inch vidicon tube in applications requiring small

size, high reliability, and low cost.

The image-sensing area of the TC245 is configured into 242 lines with 786 elements in each line. Twenty-nine

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 is designed to operate in an interlace mode, electronically displacing the image-sensing elements

in alternate fields by one-half of a vertical line during the charge integration period, effectively increasing the

vertical resolution and minimizing aliasing. The device can also be operated as a 755 (H) by 242 (V)

noninterlaced sensor with significant reduction in the dark signal.

Agatedfloating-diffusiondetectionstructurewithanautomaticresetandvoltagereferenceincorporatedon-chip

converts charge to signal voltage. The signal is further processed by a low-noise, state-of-the-art correlated

clamp-sample-and-hold circuit. A low-noise, two-stage, source-follower amplifier buffers the output and

provides high output-drive capability. The image is read out through three outputs, each of which reads out every

third image column.

The TC245 is built using TI-proprietary virtual-phase technology, which provides devices with high blue

response, low dark signal, good uniformity, and single-phase clocking. The TC245 is characterized foroperation

from –10°C to 45°C.

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.

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.

2-1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...19

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与TC245相关器件

型号	品牌	获取价格	描述	数据表
TC245_1998	TI	获取价格	pixel ccd image sensor
TC245-30	TI	获取价格	SPECIALTY ANALOG CIRCUIT, CDIP20, 1.78 MM PITCH, WINDOWED, CERAMIC, DIP-20
TC245-40	TI	获取价格	SPECIALTY ANALOG CIRCUIT, CDIP20, 1.78 MM PITCH, WINDOWED, CERAMIC, DIP-20
TC246	TI	获取价格	680 x 500 PIXEL IMPACTRONâ¢ COLOR CCD IMAGE
TC246CYM-B0	TI	获取价格	680 x 500 PIXEL IMPACTRONTM COMPLEMENTARY COLOR CCD IMAGE SENSOR
TC2471	TRANSCOM	获取价格	0.5 W Low-Cost Packaged PHEMT GaAs Power FETs
TC247SPD-B0	TI	获取价格	Impactron High Sensitivity VGA-Resolution Frame Interline Transfer B/W CCD (Cooled) 12-XCE
TC2481	TRANSCOM	获取价格	0.5 W Low-Cost Packaged PHEMT GaAs Power FETs
TC2491	TRANSCOM	获取价格	0.5 W Flange Ceramic Packaged PHEMT GaAs Power FETs
TC2-4A11	FERROXCUBE	获取价格	Ferrite toroids

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