iC-LF1401
128x1 LINEAR IMAGE SENSOR
Rev B1, Page 1/10
FEATURES
APPLICATIONS
♦ 128 active photo pixels of 56 µm at a 63.5 µm pitch (400 DPI)
♦ Integrating L-V conversion followed by a sample & hold circuit
♦ High sensitivity and uniformity over wavelength
♦ High clockrates of up to 5 MHz
♦ Optical line image sensors
♦ CCD substitute
♦ Only 128 clocks required for readout
♦ Shutter function enables flexible integration times
♦ Glitch-free analogue output
♦ Push-pull output amplifier
♦ 5 V single supply operation
♦ Can run off external bias to reduce power consumption
♦ Pin-to-pin compatible with TSL1401
PACKAGES
OLGA LF2C OBGA™ LF3C
Die size (8.5 mm x 1.6 mm)
BLOCK DIAGRAM
VCC
VDD
TP
CONTROL AND SHIFT REGISTER
Sample and Hold
Control
CLK
SI
NS
C
NS
C
Q
Q
Q
Q
Q
C
C
C
D
D
D
D
D
NQ
NQ
NQ
NQ
NQ
NR
NR
NR
Bit 1
Bit 2
Bit 3
Bit 127
Bit 128
NRCI
SNH
RPIX(1:128)
SNH128
ACTIVE PIXELS
DIS
Pixel 1
Pixel 2
Pixel 128
PIXEI
PIXOI
RSET
ONE
VHE
REF
AO
iC−LF
VHO
PIXEL
MULTIPLEXER
OUTPUT
AMPLIFIER
BIAS
AGND
GND
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