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LF1401 Schematic ( PDF Datasheet ) - Haus

Teilenummer LF1401
Beschreibung 128 x 1 Linear Image Sensor
Hersteller Haus
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Gesamt 9 Seiten
LF1401 Datasheet, Funktion
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
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LF1401 Datasheet, Funktion
iC-LF1401
128x1 Linear Image Sensor
OPTICAL CHARACTERISTICS: Diagrams
100
%
90
80
70
60
50
40
30
20
10
400 600 800 1000 nm
Figure 1: Relative spectral sensitivity
Rev A3, Page 6/9
OPERATING REQUIREMENTS: Logic
Operating Conditions: VCC = VDD = 5 V ±10 %, Tj = -25...85 °C
input levels lo = 0...0.45 V, hi = 2.4 V...VCC, see Fig. 2 for reference levels
Item Symbol Parameter
No.
Conditions
I001 tset
Setup Time:
SI stable before CLK lo hi
I002 thold
Hold Time:SI stable after CLK lo hi
Fig.
Min.
3 50
3 50
Max.
Unit
ns
ns
thold
V
2.4V
2.0V
Input/Output
0.8V
0.45V
1
0
Figure 2: Reference levels
CLK
SI
t
tset
Figure 3: Timing diagram
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