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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 Difference Amplifiers for Headphone Applications – SLYT630
A High-Fidelity Headphone Amplifier for Current Output Audio DAC’s Reference Design – TIPD177
Headphone Amplifier for Voltage-Output Audio DACs Reference Design – TIPD189
Amp up your cans:
Audio Signal Path Design
Active-Filtering Circuit for Audio DACs – SBAA322
HiFi Audio Circuit Design – SBOA237
AN-346 High-Performance Audio Applications of the LM833 – SNOA586D
Analog, Active Crossover Circuit for Two-Way Loudspeakers – TIPD134
Active Volume Control for Professional Audio – TIPD136
Tone Stack for Guitar Amplifier Reference Design – TIPD186
0.1-10Hz Amplifier Noise Measurement Filter Reference Design – TIPD122
Low-Power Reference and Bipolar Voltage Conditioning Circuit Reference Design for Low-Power ADCs – TIPD154
Low Noise and Low Distortion Design
Distortion and Source Impedance in JFET-Input op Amps – SLYT595
Source Resistance and Noise Considerations in Amplifiers – SLYT470
Low Distortion Design – Precision Labs Training Video
Noise – Precision Labs Training Video
Microphone pre-amplifier design
Phantom Power with Operational Amplifiers – SBOA320
Single-Supply, Electret Microphone Preamplifier Reference Design – TIPD181
General op amps knowledge
Newest Technology Audio Amplifiers
OPA1656 – SoundPlus™, ultra-low noise and distortion, audio operational amplifier
OPA1671 - Rail-to-Rail input and output, low voltage audio operational amplifier
INA1620 – High-fidelity audio operational amplifier with integrated thin-film resistors
INA1651 - High common-mode rejection, low distortion differential line receiver