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參數(shù)資料
| 型號(hào)： | MLX90255KLA |
| 元件分類(lèi)： | 光電元器件 |
| 英文描述： | LINEAR OUTPUT PHOTO DETECTOR |
| 封裝： | SMD8, 8 PIN |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 512K |
| 代理商： | MLX90255KLA |
MLX90255BA
Linear Optical Array
MLX90255BA Linear Optical Array
Page 1
Rev 1.0
22/January/01
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: 1.7V @ 10uW/cm2 @ 0.7ms integration time
Special Gain Compensation for use with single LED light source
Output Referenced to Ground
Low Image Lag
Single 5V Supply
Replacement for Texas Instruments TSL1301 & TSL1401 and MLX90255AA
Operation to 1MHz
Applications
Position Sensing
Electrical Power Assist Steering (EPAS)
Spectrometer Applications
Ordering Information
Part No.
Temperature Suffix
Package
Option
Temperature Range
MLX90255
K
LA
-BA
-40C to 125C Automotive
MLX90255
K
GA
-BA
-40C to 125C Automotive
General Description
The MLX90255BA 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 200
m (H)
by 66
m (W) and 8 m spacing between pixels.
Operation is simplified by internal control logic that
requires only a serial-input (SI) signal and a clock.
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 am ount 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. This causes all 132 sampling
capacitors to be disconnected from their respective
integrators and starts an integrator reset period.
(continued on page 4)
Functional Diagram
3
5
Pixel 2
Pixel 1
Pixel 132
2
1
4
Hold
Q1
Q2
Q132
Switching Logic
132-Bit Shift Register
Integrator Reset
Sample
CLK
SI
GND
VDD
Analog
OUT
External
Load
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MLX90255KUC-BAM | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Linear Optical Array |
| MLX90255KUC-BAV | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Linear Optical Array |
| MLX90255KUC-BCR | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Linear Optical Array |
| MLX90255KUC-BCV | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Linear Optical Array |
| MLX90255KWB-BAM | 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Linear Optical Array |
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