CIRCUIT060088
Transimpedance amplifier (TIA) microphone amplifier circuit
CIRCUIT060088
Overview
This circuit uses an op amp in a transimpedance amplifier configuration to convert the output current from an electret capsule microphone into an output voltage. The common mode voltage of this circuit is constant and set to mid–supply eliminating any input–stage cross over distortion.
Features
- Input pressure (Max) = 1000 dB SPL(2Pa)
- Output voltage (Max) = 1.228 Vrms
- Supply:
- Vcc = 5 V
- Vee = 0 V
- Frequency response deviation @ 20Hz = -0.5 dB
- Frequency response deviation @ 20kHz = -0.1 dB
Get started
- Read the circuit design
- Download the model
Technical documentation
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