Datasheet > C5658_KACC1023E_15

C5658_KACC1023E_15

更新时间： 2024-10-30 01:24:11

品牌	Logo	应用领域
HAMAMATSU		/
页数	文件大小	规格书
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描述
Detects optical signals at 1 GHz, with high sensitivity

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C5658_KACC1023E_15 数据手册

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M O D U L E

APD module

C5658

Detects optical signals at 1 GHz, with high sensitivity

APD module C5658 is a highly sensitive photodetector consisting of a Si APD (avalanche photodiode), a bias power supply and a low-noise

amplifier, all integrated into a compact case. The APD used has an effective active area of φ0.5 mm to allow efficient coupling to a light beam in

applications such as spatial light transmission. The APD internally multiplies the photocurrent to produce an ample gain (set to 100 times for

C5658) and also features high-speed response, achieving detection limits up to 1 GHz wideband and -48 dBm (16 nWr.m.s.) noise level in

combination with the low-noise amplifier. C5658 also incorporates a thermosensor and a temperature-compensated bias power supply necessary

for stable operation of the APD. Highly sensitive optical measurements can be made just by supplying +12 V to C5658.

Features

Applications

High-speed response and high sensitivity

Flat frequency characteristics

Compact and lightweight

Laser radar

Spatial light transmission

Optical rangefinder

Single power supply operation

■ Absolute maximum ratings

Parameter

Supply voltage

Condition

Value

+13.5

Unit

Maximum incident light level

Operating temperature

Storage temperature

Continuous input

°C

0 to +50

-20 to +70

■ Electrical and optical characteristics (Ta=25 °C, Vcc=12 V, output terminated with 50 Ω)

Parameter

Spectral response range

Active area

Condition

Typ.

Unit

400 to 1000

φ0.5

Quantum efficiency

λ=800 nm

High band

Low band

λ=800 nm

25 °C 10 °C

Dark state

GHz

kHz

V/W

Cut-off frequency (-3 dB)

Detection sensitivity

Gain stability

Noise level

2.5 × 10⁵

5.0

-48

dBm

Output impedance

VSWR *

1.5

Ω

Compression point at 1 dB

µW

* VSWR (Voltage Standing Wave Ratio)

If internal matching of elements on a signal transmission line (matching between element input/output impedance and signal line

impedance) is poor, signal reflections occur that generate standing waves on the signal line. The VSWR is the ratio of standing

wave maximum amplitude (V Max.) to minimum amplitude (V Min.) and indicates how well the impedance is internally matched.

When this internal matching is complete, no standing waves exit and the VSWR is 0 (zero).

■ Signal connector

Parameter

Signal output

Standard

SMA

Power supply connector

D-sub 9 pin

■ General specifications

Parameter

Supply voltage

Current consumption

Dimensional outline

Weight

Condition

Value

+12 0.1

100

28 × 50 × 60

120

Unit

Excluding projecting parts

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