A circuit, comprising: a photodetector comprising a first readout terminal and a second readout terminal different than the first readout terminal; a first readout subcircuit comprising a first MOSFET transistor and a second MOSFET transistor, the first MOSFET transistor comprising a first gate terminal coupled with a first control voltage source, a first channel terminal, and a second channel terminal coupled with the first readout terminal of the photodetector, and the second MOSFET transistor comprising a second gate terminal coupled with a second control voltage source, a third channel terminal coupled with a supply voltage node, and a fourth channel terminal coupled with the first channel terminal; and a second readout subcircuit comprising a third MOSFET transistor and a fourth MOSFET transistor, the third MOSFET transistor comprising a third gate terminal coupled with the first control voltage source, a fifth channel terminal, and a sixth channel terminal coupled with the second readout terminal of the photodetector, and the fourth MOSFET transistor comprising a fourth gate terminal coupled with the second control voltage source, a seventh channel terminal coupled with the supply voltage node, and an eighth channel terminal coupled with the fifth channel terminal, wherein, during operation of the circuit, the first control voltage source generates a first control voltage configured to create a first voltage difference between a supply voltage of the supply voltage node and a first voltage of the first readout terminal, and to create a second voltage difference between the supply voltage of the supply voltage node and a second voltage of the second readout terminal. a photodetector comprising a first readout terminal and a second readout terminal different than the first readout terminal; a first readout subcircuit comprising a first MOSFET transistor and a second MOSFET transistor, the first MOSFET transistor comprising a first gate terminal coupled with a first control voltage source, a first channel terminal, and a second channel terminal coupled with the first readout terminal of the photodetector, and the second MOSFET transistor comprising a second gate terminal coupled with a second control voltage source, a third channel terminal coupled with a supply voltage node, and a fourth channel terminal coupled with the first channel terminal; and a second readout subcircuit comprising a third MOSFET transistor and a fourth MOSFET transistor, the third MOSFET transistor comprising a third gate terminal coupled with the first control voltage source, a fifth channel terminal, and a sixth channel terminal coupled with the second readout terminal of the photodetector, and the fourth MOSFET transistor comprising a fourth gate terminal coupled with the second control voltage source, a seventh channel terminal coupled with the supply voltage node, and an eighth channel terminal coupled with the fifth channel terminal, wherein, during operation of the circuit, the first control voltage source generates a first control voltage configured to create a first voltage difference between a supply voltage of the supply voltage node and a first voltage of the first readout terminal, and to create a second voltage difference between the supply voltage of the supply voltage node and a second voltage of the second readout terminal.