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t

TSL202R

128

y

1 LINEAR SENSOR ARRAY

t

TAOS032B 鈥?AUGUST 2002

V

DD

1

SI1 2

CLK 3

AO1 4

GND 5

SO2 6

NC 7

Low Image Lag . . . 0.5% Typ

Operation to 5 MHz

Single 5-V Supply

Replacement for TSL202

NC 鈥?No internal connection

Description

The TSL202R linear sensor array consists of two sections of 64 photodiodes and associated charge amplifier

circuitry arranged to form a contiguous 128

脳

1 array. The pixels measure 120

碌m

(H) by 70

碌m

(W) with 125-碌m

center-to-center spacing and 55-碌m spacing between pixels. Operation is simplified by internal control logic that

requires only a serial-input (SI) signal and a clock.

The TSL202R 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 鈥?pin numbers apply to section 1)

Pixel 1

Integrator

Reset

Pixel

2

Pixel

3

Pixel

64

Analog

Bus

Output

Amplifier

4

AO

Sample/

Output

5

GND

R

L

(External

330

W

Load)

1

V

DD

_

+

Switch Control Logic

Q1

Q2

Q3

Q64

CLK

SI

3

2

64-Bit Shift Register

The

LUMENOLOGY

r

Company

t

Texas Advanced Optoelectronic Solutions Inc.

800 Jupiter Road, Suite 205

S

Plano, TX 75074

S

(972) 673-0759

t

www.taosinc.com

1

脟脟

脟脟

脟脟

脟脟

脟脟

脡脡

脡脡

脡脡

脡脡

脡脡

D

D

D

D

D

D

D

D

D

128

脳

1 Sensor-Element Organization

200 Dots-Per-Inch (DPI) Sensor Pitch

High Linearity and Uniformity

Wide Dynamic Range . . . 2000:1 (66 dB)

Output Referenced to Ground

(TOP VIEW)

14 NC

13 SO1

12 GND

11 NC

10 SI2

9 NC

8 AO2

Gain

Trim

Copyright

E

2002, TAOS Inc.

next

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