Details

Autor(en) / Beteiligte

• Shon-Hang Wen
• Chien-Ming Chen
• Cheng-Chung Yang
• Chieh-Hung Chen
• Jia-Feng Jiang
• Keng-Jan Hsiao
• Cheng-Yu Chien

Titel

A 130dB PSRR, 108dB DR and 95dB SNDR, ground-referenced audio decoder with PSRR-enhanced load-adaptive Class-G 16Ohm headphone amplifiers

Ist Teil von

• 2015 IEEE Asian Solid-State Circuits Conference (A-SSCC), 2015, p.1-4

Ort / Verlag

IEEE

Erscheinungsjahr

2015

Quelle

IEEE Xplore

Beschreibungen/Notizen

• A Class-G headphone amplifier for Hi-Fi audio playback with high immunity to supply disturbance and Class-G switching noise is presented that achieves 130dB PSRR at 217Hz and higher than 100dB PSRR up to 20kHz. In addition, a Class-G amplifier with load-adaptive voltage supply rails selection and Class-G switching scheme improves the power efficiency for different impedances. Realized in 0.18μm CMOS, the decoder and amplifier together achieve 108dB DR and 95dB SNDR with a 16D headphone load.