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Quad-channel transimpedance amplifier
![TIA400 Quad-channel transimpedance amplifier TIA400 Quad-channel transimpedance amplifier](https://assets.koheron.com/images/products/tia400/TIA400.jpg?01072024141256)
![TIA400 Quad-channel transimpedance amplifier TIA400 Quad-channel transimpedance amplifier](https://assets.koheron.com/images/products/tia400/TIA400.jpg?01072024141256)
![TIA400 Quad-channel transimpedance amplifier functional diagram TIA400 Quad-channel transimpedance amplifier functional diagram](https://assets.koheron.com/images/products/tia400/TIA400_functional-diagram.png?01072024141256)
![TIA400 Quad-channel transimpedance amplifier frequency response TIA400 Quad-channel transimpedance amplifier frequency response](https://assets.koheron.com/images/products/tia400/TIA400-2k_frequency-response.png?01072024141256)
![TIA400 Quad-channel transimpedance amplifier input current noise density TIA400 Quad-channel transimpedance amplifier input current noise density](https://assets.koheron.com/images/products/tia400/TIA400-2k_input-current-noise-density.png?01072024141256)
Koheron TIA400 is a quad-channel transimpedance amplifier (TIA) with a bandwidth of 2 MHz and an
input-referred current noise of 5 pA/√Hz.
It is compatible with photodiodes with up to 200 pF input capacitance (including cable capacitance).
Thanks to its multiple channels and its large input current range (up to ± 4 mA), it is well suited for system monitoring of optical powers.
The 1-channel version of Koheron TIA400 is Koheron TIA100 transimpedance amplifier.
Quantity | Price |
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Resources
Specifications
TIA400-2k | |
---|---|
Transimpedance gain | 2 kV/A or 10 kV/A |
3 dB bandwidth(Cin = 5 pF) | 2 MHz |
Input | |
Input current range | ±4 mA |
Input current noise density(1 MHz, Cin = 5 pF) | 5 pA/√Hz |
Maximum input capacitance | 200 pF |
Coupling | DC |
Output | |
Output impedance | 50 Ω |
Output buffer gain | 1 or 5 |
Output voltage range(high impedance) | -8 V to 8 V |
Output voltage range(50 Ω) | -2 V to 2 V |
Power supplies | |
Positive supply voltage | 11.5 V to 13 V |
Negative supply voltage(bipolar output) | -13 V to -11.5 V |
Negative supply voltage(unipolar output) | -6 V to -4.5 V |
Supply current per rail | 320 mA |
Quiescent current per rail | 55 mA |
Other | |
Outside dimensions | 79 mm x 66 mm x 13 mm |
Weight | 36 g |
Operating temperature | 0 °C to 50 °C |
More Photodetectors
Functional diagram
![TIA400 Quad-channel transimpedance amplifier functional diagram TIA400 Quad-channel transimpedance amplifier functional diagram](https://assets.koheron.com/images/products/tia400/TIA400_functional-diagram.png?01072024141256)
Characterization
The frequency response and the input current noise density are shown for different photodiodes (capacitance Cpd) and input coaxial cable lengths (Lcoax, typical capacitance 1 pF/cm).
Frequency response
![TIA400-2k Quad-channel transimpedance amplifier frequency response TIA400-2k Quad-channel transimpedance amplifier frequency response](https://assets.koheron.com/images/products/tia400/TIA400-2k_frequency-response.png?01072024141256)
Input current noise density
![TIA400-2k Quad-channel transimpedance amplifier input current noise density TIA400-2k Quad-channel transimpedance amplifier input current noise density](https://assets.koheron.com/images/products/tia400/TIA400-2k_input-current-noise-density.png?01072024141256)