Datasheet > G11620_15

G11620_15

更新时间： 2022-02-26 14:26:27

品牌	Logo	应用领域
HAMAMATSU		/
页数	文件大小	规格书
11页	288K
描述
Single video line (128/256/512 pixels) near infrared image sensor (0.95 to 1.7 Î¼m)

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G11620_15 数据手册

InGaAs linear image sensors

G11620 series

(non-cooled type)

Single video line (128/256/512 pixels)

near infrared image sensor (0.95 to 1.7 μm)

The G11620 series is an InGaAs linear image sensor designed for near-infrared multichannel spectrophotometry. The CMOS

chip includes a charge ampliﬁer, a shift register, and a timing generator circuit. Unlike conventional InGaAs linear image sen-

sors that incorporate two CMOS signal processing chips, the G11620 series uses only one CMOS chip by bump-connecting

it to the InGaAs photodiode array. This structure reduces a difference in the video output that usually occurs between odd-

number pixels and even-number pixels.

The charge ampliﬁer array is made up of CMOS transistors connected to each pixel of the InGaAs photodiode array.

Signals from each pixel are read out in charge integration mode to achieve high sensitivity and stable operation in the wide

spectral range.

The signal processing circuit on the CMOS chip offers two levels of conversion efﬁciency (CE) that can be selected by the

external voltage to meet the application.

Features

Applications

Low noise, low dark current

Near infrared multichannel spectrophotometry

Radiation thermometry

Two selectable conversion efﬁciencies

Anti-saturation circuit

Non-destructive inspection

CDS circuit*¹

Built-in thermistor

Simple operation (by built-in timing generator)*²

High resolution: 25 μm pitch (G11620-256DF/-512DA)

*1: A major source of noise in charge ampliﬁers is the reset noise generated when the integration capacitance is reset. A CDS (correlated

double sampling) circuit greatly reduces this reset noise by holding the signal immediately after reset to ﬁnd the noise differential.

*2:Different signal timings must be properly set in order to operate a shift register. In conventional image sensor operation, external

PLDs (programmable logic device) are used to input the required timing signals. However, the image sensors internally generate all

timing signals on the CMOS chip just by supplying CLK and RESET pulses. This makes it simple to set the timings.

Selection guide

Image size

(mm)

Number of effective

Applicable driver

circuit

Type no.

Cooling

Number of total pixels

pixels

128

256

512

G11620-128DA

G11620-256DF

G11620-256DA

G11620-512DA

128

256

512

6.4 × 0.5

Non-cooled

C11513

12.8 × 0.5

Structure

Pixel size

[μm (H) × μm (V)]

Pixel pitch

(μm)

Type no.

Package

Window material

G11620-128DA

G11620-256DF

G11620-256DA

G11620-512DA

50 500

22-pin ceramic

(refer to the dimensional

outline)

25 500

Borosilicate glass with

anti-reﬂective coating

50 500

25 500

www.hamamatsu.com

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