학술논문
Analog processing circuits for a 1.1 V 270 /spl mu/A mixed-signal hearing aid chip
Document Type
Conference
Author
Source
2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315) Solid-state circuits conference Solid-State Circuits Conference, 2002. Digest of Technical Papers. ISSCC. 2002 IEEE International. 1:384-475 vol.1 2002
Subject
Language
Abstract
A compressing preamplifier, ADC, DAC, output driver and clock oscillator are implemented in a mixed-signal BiCMOS hearing-aid chip with digital filtering. 2.8 /spl mu/V input noise floor over the audio band and 0.02 % THD are achieved with 270 /spl mu/A total battery current.