A first-order nested transimpedance amplifier, TIA, circuit, comprising: a zero-order TIA having an input and an output; wherein the zero-order TIA comprises: a first opamp including a first input and a first output; a second opamp including a second input and a second output, wherein the second input is connected to the first output; and a resistor including one end that is connected to the second output and a second end that is connected to the second input; and an operational amplifier comprising: an input that is directly connected to said output of said zero-order TIA; characterized in that the operational amplifier further comprises a first transistor driven by said input; a second transistor driven by a first bias voltage and connected in series with said first transistor; a first current source connected in series with said second transistor; and an output at a node between the first transistor and the second transistor; the first-order nested transimpedance amplifier circuit further comprising: a first power supply input for applying a first voltage (Vdda) to the zero-order TIA; and a second power supply input for receiving a second voltage (Vddd); and a charge pump module for developing a third voltage based on the first voltage and the second voltage, and applying the third voltage to a power supply input of said operational amplifier; wherein the third voltage is approximately equal to a sum of the first voltage to the zero-order TIA and the second voltage. a zero-order TIA having an input and an output; wherein the zero-order TIA comprises: a first opamp including a first input and a first output; a second opamp including a second input and a second output, wherein the second input is connected to the first output; and a resistor including one end that is connected to the second output and a second end that is connected to the second input; and an operational amplifier comprising: an input that is directly connected to said output of said zero-order TIA; characterized in that the operational amplifier further comprises a first transistor driven by said input; a second transistor driven by a first bias voltage and connected in series with said first transistor; a first current source connected in series with said second transistor; and an output at a node between the first transistor and the second transistor; the first-order nested transimpedance amplifier circuit further comprising: a first power supply input for applying a first voltage (Vdda) to the zero-order TIA; and a second power supply input for receiving a second voltage (Vddd); and a charge pump module for developing a third voltage based on the first voltage and the second voltage, and applying the third voltage to a power supply input of said operational amplifier; an input that is directly connected to said output of said zero-order TIA; characterized in that the operational amplifier further comprises a first transistor driven by said input; a second transistor driven by a first bias voltage and connected in series with said first transistor; a first current source connected in series with said second transistor; and an output at a node between the first transistor and the second transistor; the first-order nested transimpedance amplifier circuit further comprising: a first power supply input for applying a first voltage (Vdda) to the zero-order TIA; and a second power supply input for receiving a second voltage (Vddd); and a charge pump module for developing a third voltage based on the first voltage and the second voltage, and applying the third voltage to a power supply input of said operational amplifier; a first power supply input for applying a first voltage (Vdda) to the zero-order TIA; and a second power supply input for receiving a second voltage (Vddd); and a charge pump module for developing a third voltage based on the first voltage and the second voltage, and applying the third voltage to a power supply input of said operational amplifier; wherein the third voltage is approximately equal to a sum of the first voltage to the zero-order TIA and the second voltage.