Datasheet > MLX90255KXA-BCV

MLX90255KXA-BCV

更新时间： 2024-11-27 03:04:11

品牌	Logo	应用领域
迈来芯 - MELEXIS		/
页数	文件大小	规格书
12页	395K
描述
Linear Optical Array

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中文翻译

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数据手册

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MLX90255KXA-BCV 数据手册

MLX90255-BC

Linear Optical Array

Features and Benefits

ꢀ

128 x 1 Sensor-Element Organization (1 Not Connected, 1 dummy, 128 real, 1 dummy

and 1 Dark Pixel)

385 Dots-Per-Inch (DPI) Sensor Pitch

High Linearity and Uniformity for 256 Gray-Scale (8-Bit) Applications

High Sensitivity: 2.0V @ 10µW/cm²@ 0.7ms integration time for open cavity devices

1.7V @ 10µW/cm²@ 0.7ms integration time for glass lid devices

Special Gain Compensation for use with single LED light source

Output Referenced to Ground

ꢀ

Low Image Lag

Single 5V Supply

Replacement for TAOS, Inc. TSL1301 & TSL1401 and MLX90255BA

Operation to 800kHz

Applications

ꢀ

Linear Position Encoder

Rotary Position Encoder

Steering Torque and Angle Sensing (EPAS, ESP)

Spectrometer Applications

Bio-metrical Applications

OCR and Barcode Applications

Ordering Information

Part No.

MLX90255

Temperature Suffix

K (-40°C to 125°C)

Package Code

XA (SOIC-24 without glass)

UC (Die on wafer (un-sawn))

Option code

-BCR

-BCV

1. Functional Diagram

2. Description

The MLX90255BC linear sensor array consists

of a 128 x 1 array of photodiodes, associated

charge amplifier circuitry and a pixel data-hold

function that provides simultaneous-integration

start and stop times for all pixels. The pixels

measure 200µm (H) by 66 µm (W). Operation is

simplified by internal control logic that requires

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

Pixel 1

Pixel 2

Pixel 132

Integrator Reset

Sample

The sensor consists of 128 photodiodes

arranged in a linear array. Light energy falling on

a photodiode generates photocurrent, which is

integrated by the active integration circuitry

associated with that pixel. During the integration

period, a sampling capacitor connects to the

output of the integrator through an analog

switch. The amount of charge accumulated at

each pixel is directly proportional to the light

intensity and the integration time. The output

and reset of the integrators is controlled by a

132-bit shift register and reset logic. An output

cycle is initiated by clocking in a logic 1 on SI.

(continued on page 5)

Switching Logic

External

Load

Hold

Q132

132-Bit Shift Register

390109025503

Rev. 001

Page 1 of 12

Nov/05

12 3 4 5 6 7...12

中文翻译

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