September 2012
CCD Linear Image Sensor
CCD (Charge Coupled Device)
TCD1205DG
2048-elements, embedded electronic shutter function, for barcode scanner.
The TCD1205DG is a high sensitive and low dark current 2048−elements linear image sensor. The sensor can be used
for POS handscanner.
The device is operated by only 5V power supply, and mounted in 22−pin cerdip package with hermetic sealed optical
glass window. The TCD1205DG has electronic shutter function (ICG).
Electronic shutter function can keep always output voltage constant that vary with the intensity of lights.
Features
Number of Image Sensing Elements: 2048
Image Sensing Element Size: 14µm by 200µm on 14µm centers
Photo Sensing Region: High sensitive and low dark current pn photodiode
Clock: 2 phase (5V)
Internal Circuit: Electronic shutter function (ICG)
Package: 22 pin cerdip
Circuit Diagram
Pin Names
Pin Connections (top view)
Pin No. Symbol
Name
1
OS
Signal Output
2
DOS
Compensation Output
3
OD
Power
4
RS
Reset Gate
5
BT
Boost Gate
6
Ø2
Clock (Phase 2)
7 to 18
NC
Non Connection
19
Ø1
Clock (Phase 1)
20
ICG
Integration Clear Gate
21
SH
Shift Gate
22
SS
Ground
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