Transcript
Electro Optical Components, Inc. Datasheet Datasheet Datasheet
5460 Skylane Boulevard, Santa Rosa, CA 95403 Toll Free: 855-EOC-6300 www.eoc-inc.com |
[email protected]
Features Features Features
Applications Applications Applications
Specifications Specifications Gain Specifications Gain Gain Frequency Response Frequency Response Frequency Response Input Input Input
Output Output Output Power Supply Power Supply Power Supply Case Case Case Temperature Range Temperature Range Temperature Range Absolute Maximum Ratings Absolute Maximum Ratings Absolute Maximum Ratings
LCA-20K-200M LCA-20K-200M LCA-20K-200M Ultra-Low-Noise Current Amplifier Ultra-Low-Noise Current Amplifier Ultra-Low-Noise Current Amplifier
Bandwidth and Frequency Response Independent of (up to 10 nF) Independent of Detector-Capacitance Bandwidth and Frequency Response Extremely Low 14 √10 HznF) Equivalent Input Noise (upfA/√ to Detector-Capacitance Bandwidth and Noise, Frequency Response Independent of Current BandwidthLow DC ... 20 kHz Detector-Capacitance Extremely Noise, 14 Hz Equivalent Input Noise Current (upfA/√ to√10 nF) 8 V/A Transimpedance (Gain) x 10 Bandwidth DC ... 20 kHz Extremely Low Noise, 142fA/√ √Hz Equivalent Input Noise Current 8 Transimpedance (Gain) Bandwidth DC ... 20 kHz2 x 10 V/A 8 Photodiodeand Photomultiplier-Amplifier Transimpedance (Gain) 2 x 10 V/A PhotodiodeSpectroscopyand Photomultiplier-Amplifier Charge-Amplifier Spectroscopy Photodiodeand Photomultiplier-Amplifier Ionisation Detectors Spectroscopy Charge-Amplifier Preamplifier for Lock-Ins, A/D-Converters, etc. Ionisation Detectors Charge-Amplifier Preamplifier for Lock-Ins, A/D-Converters, etc. Ionisation Detectors Test Conditions for Lock-Ins, A/D-Converters, Vs = ± 15 V, Ta =etc. 25°C Preamplifier Test Conditions Vs = ±8 15 V, Ta = 25°C Transimpedance 2 x 10 V/A (>10 kΩ Load) Test Conditions Vs = ±8 15 V, Ta = 25°C Accuracy Transimpedance 2± x1% 10 V/A (>10 kΩ Load) 8 Accuracy ± 1% Transimpedance 2 x 10 V/A (>10 kΩ Load) Lower Cut-Off Frequency DC Accuracy ± 1% Upper Cut-Off 20 kHz (- 3 dB) Lower Cut-Off Frequency Frequency DC RiseFall-Time 20 - 90%) Upper/Cut-Off 20 µs kHz(10% (- 3 dB) Lower Cut-Off Frequency Frequency DC Gain Flatness ± 0.1 dB Rise/ Fall-Time 20 µs (10% - 90%) Upper Cut-Off Frequency 20 kHz (- 3 dB) Gain ± 0.1 Rise-Flatness / Fall-Time 20 µs dB (10% - 90%) Equ. Input Noise Current 14 fA/√Hz (@ 10 kHz) Gain Flatness ± 0.1 dB Equ. Input Noise Voltage 5 nV/√Hz Current 14 fA/√Hz(@ (@10 10kHz) kHz) Input Bias Current 2 pA typ. Equ. Input Noise Voltage 5 nV/√Hz (@ 10 kHz) Current 14 fA/√Hz (@ 10 kHz) Input Bias Drift Factor 1.7 / 10 K Input Bias Current Current pA typ. Equ. Input Noise Voltage 52 nV/√Hz (@ 10 kHz) Offset Current Compensation ± 15 nA, Input 1.7Adjustable / 10 K by Offset-Trimpot Input Bias Bias Current Current Drift 2Factor pA typ. Max. Input Current ± 50 nA (Linear Offset Current Compensation 15 nA, Adjustable by Offset-Trimpot Input Bias Current Drift Factor 1.7 / 10 KAmplification) Input Offset Voltage < 1 mV Max. Input Current ± 50 nA (Linear Amplification) Offset Current Compensation 15 nA, Adjustable by Offset-Trimpot DC Impedance 5050 (Virtual) 5 pF Input Offset Voltage < 1ΩmV Max.Input Input Current ± nA (Linear// Amplification) DC Impedance 501ΩmV(Virtual) // 5 pF InputInput Offset Voltage < Output Voltage ± 10 V (>10 kΩ Load) DC Input Impedance 50 Ω (Virtual) // 5 pF Output Impedance 5010 ΩV(Terminate with >10 kΩ for best Performance) Voltage ± (>10 kΩ Load) Max. Current ± 10 mA (Linear Amplification) OutputOutput Impedance 50 Ω (Terminate with >10 kΩ for best Performance) Voltage ± 10 V (>10 kΩ Load) Max. Output Current ± 10 mA (Linear Amplification) Output Impedance 50 Ω (Terminate with >10 kΩ for best Performance) Supply Voltage ± Max. Output Current ± 15 10VmA (Linear Amplification) Supply Current ± 40 Voltage 15 mA V typ. Supply Current ± 40 mA Voltage 15 V typ. Weight 210 gr. (0.5 lbs) Supply Current ± 40 mA typ. Material AlMg4.5Mn, nickel-plated Weight 210 gr. (0.5 lbs) Material AlMg4.5Mn, nickel-plated Weight 210 gr. (0.5 lbs) Storage Temperature -40 ... +100 °C Material AlMg4.5Mn, nickel-plated Operating Temperature 0 ... ... +60 °C °C Storage Temperature -40 +100 Operating Temperature 0 ... +60 °C °C Storage Temperature -40 ... +100 Input Voltage ± 5 V Operating Temperature 0 ... +60 °C Power Supply Voltage ± 22 Input Voltage 5 VV PowerVoltage Supply Voltage Input ± 522VV
Datasheet
LCA-20K-200M Ultra-Low-Noise Current Amplifier
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 1 +Vs PIN 3 GND
Application Diagrams
Photo Detector Biasing in Photovoltaic Mode: Use for Low Speed Applications and Minimum Dark Current. LCA
CURRENT IN P U T
U ltra-L ow -N o ise C u rren t to Vo ltag e C o nverter
I/U
A Z 0 2 -0 1 0 1 -2 0
Photo Detector Biasing in Photoconductive Mode: Use for Fast Applications and if More Dark Current is Tolerable. Bias Voltage Decreases Detector Capacitance. + BIA S VO LTAG E U se ad ditio nal Bypass C apacitor clo se to th e D etector (~ 100 n F, C e ram ic)
LCA
CURRENT IN P U T
U ltra-L ow -N o ise C u rren t to Vo ltag e C o nverter
I/U
A Z 0 1 -0 1 0 1 -2 0
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Datasheet
LCA-20K-200M Ultra-Low-Noise Current Amplifier
Dimensions
94.0 mm
15.0 mm
87.0 mm 74.0 mm
LCA
OUT 51.0 mm
11.8 mm
44.0 mm
IN
POWER
∅ 3.3 mm
DZ01-0101-21
FEMTO Messtechnik GmbH Paul-Lincke-Ufer 34 D-10999 Berlin Germany Tel.: +49 (0)30 – 4 46 93 86 Fax: +49 (0)30 – 4 46 93 88 e-mail:
[email protected] http://www.femto.de
14.0 mm
27.0 mm
21.6 mm
Specifications are subject to change without notice. Information furnished herin is believed to be accurate and reliable. However, no responsibility is assumed by FEMTO Messtechnik GmbH for its use, nor for any infringement of patents or ather rights granted by implication or otherwise under any patent rights of FEMTO Messtechnik GmbH. Product names mentioned may also be trademarks used here for identification purposes only. by FEMTO Messtechnik GmbH Printed in Germany
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