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C4777 Datasheet, PDF (1/4 Pages) Hamamatsu Corporation – APD module
MODULE
APD module
C4777 series
APD module integrated with peripheral circuits
Features
Applications
l Uses high sensitivity APD
Two types of APDs with different active areas
(φ0.5 mm, φ3.0 mm) are provided.
l Choice of high sensitivity type and low-light-level detection type
C4777 detects optical signals from 10 kHz to 100 MHz
C4777
l Spatial light transmission
l Optical communication
l Rangefinder
pulsed light and is suitable for spatial light transmission and
C4777-01
rangefinder applications. C4777-01 provides a high photo-
l electric sensitivity of 1.25 × 109 V/W and low NEP of 2 fW/Hz1/2,
l making it excellent for fluorescence measurement and NOx
l monitors where low-light-level detection is essential.
Fluorescence measurement
NOx monitor sensor
Particle counters
l Built-in temperature control circuit
An APD chip, thermoelectric cooler and thermosensor are
sealed in the same package along with the temperature
control circuit, to keep the APD chip temperature constant
and ensure stable measurements.
l Simple operation
Operates by just connecting to a DC power supply (+5 V, ±15 V).
I Selection guide
Parameter
Active area
Photo sensitivity
Frequency bandwidth
C4777
f0.5
-2.5 × 10#
10 k to 100 M
C4777-01
f3.0
-1.25 × 10'
DC to 5 k
I Block diagram
Si APD
SIGNAL OUTPUT
FIRST AMPLIFIER
SIGNAL LIGHT
TEMPERATURE
CONTROL CIRCUIT
POWER SUPPLY
BIAS CONTROL CIRCUIT
HIGH VOLTAGE
POWER SUPPLY
THERMOSENSOR THERMOELECTRIC COOLER
KACCC0099EA
Unit
mm
V/W
Hz
1