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HT4832 - 33mW output-free capacitor stereo headphone amplifier
HT4831 - 33mW output-free capacitor stereo headphone amplifier
MB95F133MW - (MB95130M Series) 8-bit Proprietary Microcontrollers
ADC1173 - 8-Bit/ 3-Volt/ 15MSPS/ 33mW A/D Converter
RD33MW - ZENER DIODES
ADC1173 - 33mW A/D Converter