AK4571

ASAHI KASEI [AK4571] AK4571 USB Interface Audio CODEC Features: „ USB Audio Controller 12 Mbps bit rate USB Serial Interface Engine (SIE) Audio Class Processing Block 4 Endpoints USB transceiver „ 16bit CODEC - Single-channel A/D Converter Microphone Pre-Amp (Fixed Gain: 20dB) Mute/Volume Control Programmable Gain Control +24dB to –31dB ( 1dB step ) - D/A Converter 2 channels - Mixer Mute/Attenuation Control +0dB to –47dB ( 1dB step ) Analog Bass Boost „ HID Support - remote control of playback volume/mute - recording mute/status function „ Power Management - control of external headphone amplifier - low power at suspend mode (< 1uA) „ EEPROM Interface (Microwire Interface) - can read Device/String Descriptor from EEPROM - 1K/2K/4K bit EEPROM „ On-chip PLL 7 sampling frequencies: 8kHz, 11.025kHz, 16kHz, 22.05kHz, 32kHz, 44.1kHz, 48kHz „ Single Power Supply, Low Power +3.3Volts±0.3V „ Package 48pin LQFP General Description: The AK4571 is a USB Interface audio CODEC. Th...