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Datasheet
LCA-20K-200M
Ultra-Low-Noise Current Amplifier
SOP H ISTI CATE D T OOL S F O R SIG N AL REC O VE RY
Page 2
Connectors
Input
BNC
Output
BNC
Power Supply
LEMO Series 1S, 3-pin Fixed Socket
Pin 1:
+ 15V
Pin 2:
- 15V
Pin 3:
GND
PIN 2
-Vs
PIN 3
GND
PIN 1
+Vs
Application Diagrams
Photo Detector Biasing in Photovoltaic Mode:
Use for Low Speed Applications and Minimum Dark Current.
CURRE NT
IN P U T
Ultra-Low-Nois e
C u rren t to Vo ltag e
Converter
A Z 02-010 1-20
I/U
LC A
Photo Detector Biasing in Photoconductive Mode:
Use for Fast Applications and if More Dark Current is Tolerable.
Bias Voltage Decreases Detector Capacitance.
CURRE NT
IN P U T
+ B IA S
VO LTAG E
Ultra-Low-Nois e
C u rren t to Vo ltag e
Converter
U s e ad ditio nal
Bypass C apacitor
c lose to the Detector
(~ 100 n F, C e ram ic )
A Z 01-010 1-20
I/U
LC A