TSL2014
896 y 1 LINEAR SENSOR ARRAY
TAOS040C AUGUST 2011
1
The LUMENOLOGY r Company
r
r
Copyright E 2011, TAOS Inc.
www.taosinc.com
D 896 ?/SPAN> 1 Sensor-Element Organization
D 200 Dots-Per-Inch (DPI) Sensor Pitch
D High Linearity and Uniformity
D Wide Dynamic Range . . . 2000:1 (66 dB)
D Output Referenced to Ground
D Low Image Lag . . . 0.5% Typ
D Operation to 5 MHz
D Single 5-V Supply
D 112 mm Active Length
Description
The TSL2014 linear sensor array consists of two
sections of 448 photodiodes and associated charge
amplifier circuitry that can be connected to form a
contiguous 896 ?1 array. The pixels measure 120 糾
(H) by 70 糾 (W) with 125-糾 center-to-center spacing
and 55-糾 spacing between pixels. Operation is
simplified by internal control logic that requires only a
serial-input (SI) signal and a clock.
The TSL2014 is intended for use in a wide variety of
applications including mark detection and code
reading, optical character recognition (OCR) and
contact imaging, edge detection and positioning as well
as optical linear and rotary encoding.
Functional Block Diagram (each section)
SI1 (SI2)
CLK
448-Bit Shift Register
Q448 (896)
Switch Control Logic
Pixel 1
(449)
Pixel
2
(450)
Pixel
448
(896)
Pixel
3
(451)
Analog
Bus
Output
Amplifier
Gain Trim
Q3
Q2
Q1
V
DD
R
L
External
Load
AO1
(AO2)
SO1
(SO2)
Integrator
Reset
_
+
Sample/
Output
S1
S2
2
1
3
1
2
r
r
Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759
V
DD
1
SI1 2
AO1 3
SO1 4
SI2 5
CLK 6
GND 7
AO2 8
SO2 9
V
DD
10
PACKAGE
(TOP VIEW)
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