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LF1401 반도체 회로 부품 판매점

128 x 1 Linear Image Sensor



Haus 로고
Haus
LF1401 데이터시트, 핀배열, 회로
iC-LF1401
128x1 Linear Image Sensor
FEATURES
o 128 active photo pixels of 56 µm at a 63.5 µm pitch (400 DPI)
o Integrating L-V conversion followed by a sample & hold circuit
o High sensitivity and uniformity over wavelength
o High clockrates of up to 5 MHz
o Only 128 clocks required for readout
o Shutter function enables flexible integration times
o Glitch-free analogue output
o Push-pull output amplifier
o 5 V single supply operation
o Can run off external bias to reduce power consumption
o Pin-to-pin compatible with TSL1401
Rev A3, Page 1/9
APPLICATIONS
o Optical line image sensors
o CCD substitute
PACKAGES
OLGA LF2C OBGA™ LF3C
Die size (8.5 mm x 1.6 mm)
BLOCK DIAGRAM
CLK
SI
DIS
Sample and Hold
Control
VCC
VDD
CONTROL AND SHIFT REGISTER
TP
NS
CQ
D
NQ
Bit 1
NS
CQ
D
NQ
Bit 2
CQ
D
NRNQ
Bit 3
CQ
D
NRNQ
Bit 127
CQ
D
NRNQ
Bit 128
NRCI
SNH
RPIX(1:128)
ACTIVE PIXELS
SNH128
RSET
REF
BIAS
Copyright © 2005 iC-Haus
Pixel 1
PIXOI
iC−LF
AGND
GND
Pixel 2
ONE
VHE
VHO
PIXEL
MULTIPLEXER
Pixel 128
PIXEI
OUTPUT
AMPLIFIER
AO
http://www.ichaus.com
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LF1401 데이터시트, 핀배열, 회로
iC-LF1401
128x1 Linear Image Sensor
Rev A3, Page 2/9
DESCRIPTION
iC-LF1401 is an integrating light-to-voltage converter
with a line of 128 pixels pitched at 63.5 µm (center-to-
center distance). Each pixel consists of a 56.4 µm x
200 µm photodiode and an integration capacitor with
a sample-and-hold circuit.
The integrated control logic makes operation very
simple, with only a start and clock signal necessary.
A third control input (DIS) enables the integration to
be suspended at any time (electronic shutter).
When the start signal is given hold mode is acti-
vated for all pixels simultaneously with the next lead-
ing clock edge; starting with pixel 1 the hold voltages
are switched in sequence to the push-pull output am-
plifier. The second clock pulse resets all integration
capacitors and the integration period starts again in
the background during the output phase. A run is
complete after 128 clock pulses.
iC-LF1401 is suitable for high clock rates of up to
5 MHz. If this is not required the supply current can
be reduced via the external bias setting (current into
pin RSET).
www




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LF1401 sensor

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128 x 1 Linear Image Sensor - Haus