高速电流放大器HCA-2M-1M-C,具有2MHz的带宽,能够确保对高频信号的精确捕捉与处理。在噪声抑制方面表现出色,电流噪声低至3.5 pA/√Hz,非常适合微弱信号检测。支持高达1 nF的源电容而无需额外调节,展现了出色的适应性和灵活性,特别适用于大面积光电二极管快速检测、光谱学分析等高精度测量场景。
一、详细参数
Specifications |
Test Conditions |
Vs = ± 15 V, Ta = 25°C |
Gain |
Transimpedance |
1 x 106 V/A (@ 50 Ω load) |
Gain Accuracy |
± 1 % |
|
Frequency Response |
Lower Cut-Off Frequency |
DC |
Upper Cut-Off Frequency (- 3 dB) |
2 MHz |
|
Rise / Fall Time (10 % - 90 %) |
180 ns |
|
Gain Flatness |
± 0.3 dB |
|
Input |
Equ. Input Noise Current |
3.5 pA/√Hz (@ 100 kHz) |
Equ. Input Noise Voltage |
0.8 nV/√Hz (@ 100 kHz) |
|
Input Bias Current |
18 µA typ. |
|
Input Bias Current Drift |
0.8 nA / K |
|
Offset Current Compensation |
± 6 µA adjustable by offset trimpot |
|
Input Current Range |
± 1.5 µA (for linear amplification) |
|
Input Offset Voltage |
3 mV |
|
DC Input Impedance |
50 Ω (virtual) // 5 pF |
|
Output |
Output Voltage Range |
± 1.5 V (@ 50 Ω load) for linear operation and low harmonic distortion |
Output Impedance |
50 Ω (terminate with 50 Ω load for best performance) |
|
Bias Output |
Bias Output Voltage Range |
± 12 V, adjustable by bias trimpot |
Bias Output Impedance |
10 kΩ // 1 µF |
|
Power Supply |
Supply Voltage |
± 15 V |
Supply Current |
± 50 mA typ. (depends on operating conditions, recommended power supply capability minimum ± 150 mA) |
三、电流放大器原理
电流放大器在电子器件中扮演着至关重要的角色,是各种应用中不可或缺的元件。它们的工作原理是将较小的输入电流转换为较大的输出电流,从而有效地“放大”信号。这在信号强度较弱的场合尤其有用。
电流放大器的功能基于利用小输入电流控制较大输出电流的原理。这意味着输入信号用于调制输出电路中的电流,从而提供原始信号的放大版本。
品牌: | FEMTO |
型号: | HCA-2M-1M-C |
加工定制: | 否 |
重量: | 0.210 ㎏ |
用途: | 光电二极管和光电倍增管放大器 |