​Amplifier and Photoreceiver >> Current Amplifier >> Ultra Low Noise Fixed Gain

​Sub Femto Ampere Sensitivity Variable Gain

Model

 3-dB Bandwidth (DC ...) Noise Current [/√Hz] Transimpedance (Gain) Rise/Fall Time
LCA-2-10T 2 Hz 0.18 fA 1012 & 1013V/A 200 ms
LCA-30-1T 30 Hz 0.5 fA 1 x 1012 V/A 12 ms
LCA-30-200G 30 Hz 0.5 fA 2 x 1011 V/A 12 ms
LCA-200-100G 200 Hz 1.5 fA 1 x 1011 V/A 2 ms
LCA-200-10G 200 Hz 1.5 fA 1 x 1010 V/A 2 ms
LCA-1K-5G 1 kHz 3 fA 5 x 109 V/A 400 µs
LCA-2K-2G 2 kHz 4.5 fA 2 x 109 V/A 200 µs
LCA-4K-1G 4 kHz 6.5 fA 1 x 109 V/A 100 µs
LCA-10K-500M 10 kHz 10 fA 5 x 108 V/A 40 µs
LCA-20K-200M 20 kHz 14 fA 2 x 108 V/A 20 µs
LCA-40K-100M 40 kHz 19 fA 1 x 108 V/A 10 µs
LCA-100K-50M 100 kHz 30 fA 5 x 107 V/A 4 µs
LCA-200K-20M 200 kHz 40 fA 2 x 107 V/A 2 µs
LCA-400K-10M 400 kHz 65 fA 1 x 107 V/A 1 µs
NOTE: Bandwidth and frequency response are independent of detector capacitance. Guaranteed and 100 % tested up to 10 nF for each amplifier (up to 1 nF for LCA-400K-10M).

Output voltage ±10 V @ >10 kΩ load. Offset adjustable by trimpot. Output short-circuit protected. 
​*Pictures shown above are for reference only.  Actual product may differ slightly.  
**Some products may not be available in all countries. Please contact us for further information and clarification.
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