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Transimpedance amplifier
Koheron PD10TIA is a transimpedance amplifier (TIA) with a bandwidth of 1 MHz and an input-referred current noise of less than 1 pA / √Hz. It is compatible with photodiodes with up to 2 nF input capacitance.
| Quantity | Price |
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Resources
Specifications
| PD10TIA-80-DC | |
|---|---|
| Input current | -45 to 45 µA |
| Small signal bandwidth | 0 - 800 kHz at 3 dB (Cin = 10 pF) |
| Input current noise density | 0.8 pA / √Hz (at 1 MHz, Cin = 10 pF) |
| Coupling | DC |
| Maximum input capacitance | 2 nF |
| Power supply (positive) | 5.5 - 9 VDC |
| Power supply (negative) | -9 to -5.5 VDC |
| Transimpedance gain | 80 kV / A |
| Output voltage range | ±3.6 V |
| Output impedance | 50 Ω |
| Outside Dimensions | 63 mm x 38 mm x 14 mm |
| Input connector | SMA |
| Output connector | SMA |
| Mechanical details | Compatible with M6 metric breadboards (25 mm spacing) |
Functional diagram
Characterization
Frequency response
Input current noise density
The input-referred current noise of the PD10TIA transimpedance amplifier depends on the input capacitance. For best performance, one should select a photodiode with low parasitic capacitance and use cables as short as possible, as explained in the user guide.
Input current noise density for input capacitances of 10 pF and 440 pF:
