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參數(shù)資料
| 型號(hào)： | S3902 |
| 廠商： | Hamamatsu Photonics |
| 英文描述： | MOSFET, Switching; VDSS (V): 400; ID (A): 17; Pch : -; RDS (ON) typ. (ohm) @10V: 0.25; RDS (ON) typ. (ohm) @4V[4.5V]: -; RDS (ON) typ. (ohm) @2.5V: -; Ciss (pF) typ: 1450; toff (µs) typ: -; Package: LDPAK (S)- (1) |
| 中文描述： | NMOS管線性圖像傳感器電流輸出，高紫外線的敏感性，出色的線性，低功耗 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 229K |
| 代理商： | S3902 |
NMOS linear image sensor
S3902/S3903 series
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EXPOSURE (
lx ·
s)
(Typ. Vb=2 V, V
=5 V, light source: 2856 K)
S3903 SERIES
S3902 SERIES
SATURATION EXPOSURE
SATURATION
CHARGE
KMPDB0149EA
Figure 5 Spectral response (typical example)
Figure 6 Output charge vs. exposure
KMPDB0117EA
I
Construction of image sensor
The NMOS image sensor consists of a scanning circuit made
up of MOS transistors, a photodiode array, and a switching
transistor array that addresses each photodiode, all integrated
onto a monolithic silicon chip. Figure 1 shows the circuit of a
NMOS linear image sensor.
The MOS scanning circuit operates at low power consump-
tion and generates a scanning pulse train by using a start
pulse and 2-phase clock pulses in order to turn on each ad-
dress sequentially. Each address switch is comprised of an
NMOS transistor using the photodiode as the source, the
video line as the drain and the scanning pulse input section
as the gate.
The photodiode array operates in charge integration mode
so that the output is proportional to the amount of light expo-
sure (light intensity × integration time).
Each cell consists of an active photodiode and a dummy
photodiode, which are respectively connected to the active
video line and the dummy video line via a switching transis-
tor. Each of the active photodiodes is also connected to the
saturation control drain via the saturation control transistor,
so that the photodiode blooming can be suppressed by
grounding the saturation control gate. Applying a pulse sig-
nal to the saturation control gate triggers all reset. (See “Aux-
iliary functions”.)
Figure 2 shows the schematic diagram of the photodiode
active area. This active area has a PN junction consisting of
an N-type diffusion layer formed on a P-type silicon substrate.
A signal charge generated by light input accumulates as a
capacitive charge in this PN junction. The N-type diffusion
layer provides high UV sensitivity but low dark current.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S3902-128Q | MOSFET, Switching; VDSS (V): 400; ID (A): 24; Pch : 150; RDS (ON) typ. (ohm) @10V: 0.2; RDS (ON) typ. (ohm) @4V[4.5V]: -; RDS (ON) typ. (ohm) @2.5V: -; Ciss (pF) typ: 1800; toff (µs) typ: 0.093; Package: TO-3P |
| S3902-512Q | NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
| S3903 | MOSFET, Switching; VDSS (V): 450; ID (A): 14; Pch : -; RDS (ON) typ. (ohm) @10V: 0.43; RDS (ON) typ. (ohm) @4V[4.5V]: -; RDS (ON) typ. (ohm) @2.5V: -; Ciss (pF) typ: 1100; toff (µs) typ: -; Package: LDPAK (S)- (1) |
| S3903-1024Q | NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
| S3903-256Q | NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S3902-128Q | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
| S3902-256Q | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
| S3902-512Q | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
| S3903 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
| S3903-1024Q | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:NMOS linear image sensor Current output, high UV sensitivity, excellent linearity, low power consumption |
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