TSL1412S datasheet(1/12 Pages) TAOS | 1536 × 1 LINEAR SENSOR ARRAY WITH HOLD

1 page

TSL1412S

1536 × 1 LINEAR SENSOR ARRAY WITH HOLD

TAOS045F − APRIL 2007

The LUMENOLOGY r Company

www.taosinc.com

D 1536 × 1 Sensor-Element Organization

D 400 Dot-Per-Inch (DPI) Sensor Pitch

D High Linearity and Uniformity

D Wide Dynamic Range . . . 4000:1 (72 dB)

D Output Referenced to Ground

D Low Image Lag ... 0.5% Typ

D Operation to 8 MHz

D Single 3-V to 5-V Supply

D Rail-to-Rail Output Swing (AO)

D No External Load Resistor Required

Description

The TSL1412S linear sensor array consists of 2

sections of 768 photodiodes, each with

associated charge amplifier circuitry, aligned to

form a contiguous 1536 × 1 pixel array. The device

incorporates a pixel data-hold function that

provides simultaneous-integration start and stop

times for all pixels. The pixels measure 63.5 μm by

55.5 μm with 63.5-μm center-to-center spacing

and 8-μm spacing between pixels. Operation is

simplified by internal logic that requires only a

serial-input (SI) pulse and a clock.

The device is intended for use in a wide variety of applications including mark and code reading, OCR and

contact imaging, edge detection and positioning, and optical encoding.

Functional Block Diagram (each section)

2, 8

4, 10

CLK

768-Bit Shift Register (2 each)

Q768 (Q1536)

Switch Control Logic

Hold

7, 11

3, 9

Hold

6, 12

Output

Buffer

Gain

Trim

VDD

GND

Integrator

Reset

Pixel 1

(769)

Pixel

(770)

Pixel

768

(1536)

Pixel

(771)

Sample/Hold/

Output

Analog

Bus

Texas Advanced Optoelectronic Solutions Inc.

1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759

(TOP VIEW)

VPP

SI1

HOLD1

CLK1

GND

AO1

SO1

SI2

HOLD2

CLK2

SO2

AO2

VDD

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