Other Parts Discussed in Thread: LM833 How do I design Low Noise & Low Distortion Headphone & Small Signal Audio Amplifiers?
Headphone Amplifiers
On-Chip Thin Film Resistors Enable High-Performance Audio Circuitry – SBOA312
Stabilizing…
Hi Hardy,
I believe this should work, but there will be some challenges operating from an 8V supply. If your device consumes 3mA of quiescent current (1.8mA of Iq for OPA1641, plus 500uA microphone Iq, plus 700uA of overhead), the available supply drops…
The amplitude increasing with each run is from the TI TINA file at
Open "Electret Microphone Pre-Amp.TSC"
Analysis -> Fourier Analysis -> Fourier Series
4.27 mV
Cancel
Analysis -> Fourier Analysis -> Fourier Series
422 mV …