Low Noise 400 kHz Photoreceiver with InGaAs PIN Photodiode
Features
InGaAs PIN Detector, 0.5 mm Active Diameter
Spectral Range 900 ... 1700 nm
Amplifier Transimpedance (Gain) 1.0 x 107 V/A
Max. Conversion Gain 9.5 x 106 V/W @ 1550 nm
Bandwidth DC ... 400 kHz
Applications
Spectroscopy
General Purpose Opto-Electronic Measurements
Optical Front-End for Oscilloscopes, A/D Converters and Lock-In Amplifiers
Specifications
Test Conditions
Vs = ± 15 V, Ta = 25°C
Gain Transimpedance
1.0 x 107 V/A (@ ≥ 1 MΩ load)
Max. Conversion Gain
9.5 x 106 V/W (@ 1550 nm)
Frequency Response
Lower Cut-Off Frequency
DC
Upper Cut-Off Frequency (- 3 dB)
400 kHz
Rise/Fall Time (10% - 90%)
1 µs
Gain Flatness
± 0.5 dB
Detector
Detector Material
InGaAs PIN photodiode
Active Area
∅ 0.5 mm
Spectral Response
900 ... 1700 nm
Input
Input Offset Compensation Range
± 300 nA, adjustable by offset trimpot
Optical Saturation Power
1 µW (for linear amplification, @ 1550 nm)
Min. NEP
75 fW/√Hz (@ 1550 nm, 10 kHz)
Output
Output Voltage Range
± 10 V (@ ≥ 1 MΩ load)
Max. Output Current
± 30 mA
Output Impedance
50 Ω (designed for ≥ 1 MΩ load)
Output Noise ca.
12 mV peak-peak or 2 mV rms (@ ≥ 1 MΩ load, no signal on detector)
Power Supply
Supply Voltage
± 15 V
Supply Current
± 40 mA typ. (depends on operating conditions, recommended power supply capability minimum ± 150 mA)
Case
Weight
210 g (0.5 lbs)
Material
AlMg4.5Mn, nickel-plated
Temperature Range
Storage Temperature
- 40 ... + 100 °C
Operating Temperature
0 ... + 60 °C
Absolute Maximum Ratings
Optical Input Power
10 mW
Power Supply Voltage
± 22 V
Connectors
Input
25 mm round flange for free space applications (fiber optic input available as customized unit)
Output
BNC
Power Supply
LEMO series 1S, 3-pin fixed socket
Pin 1: + 15V
Pin 2: - 15V
Pin 3: GND
Available Models
LCA-S-400K-IN-FS free space input
LCA-S customized version available on request
Spectral Response
Dimensions
商品属性 [活跃直径] 0.5 mm [光谱范围] 900 ... 1700 nm [带宽] DC ... 400 kHz [变频增益 ] 9.5 x 106 V/W @ 1550 nm