iC-LFL1402
256x1 LINEAR IMAGE SENSOR
Rev A3, Page 1/8
FEATURES
APPLICATIONS
♦ 256 active photo pixels of 56 µm at a gap and distortion free
pitch of 63.5 µm (400 DPI)
♦ Optical line sensors
♦ CCD substitute
♦ Integrating L-V conversion followed by a sample & hold circuit
♦ High sensitivity and uniformity over wavelength
♦ High clockrates of up to 5 MHz
♦ Only 256 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
♦ Function equivalent to TSL1402 (serial mode)
PACKAGES
OBGA™ LFL1C
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
1
NQ
2
NQ
NQ
NR
NR
NR
Bit 255
Bit 256
Bit
Bit
Bit 3
NRCI
SNH
RPIX(1:256)
SNH256
ACTIVE PIXELS
DIS
Pixel
1
Pixel
2
Pixel 256
PIXEI
PIXOI
RSET
ONE
VHE
REF
AO
VHO
LFL1402
PIXEL
MULTIPLEXER
OUTPUT
AMPLIFIER
BIAS
AGND
GND
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