AD62552A

ESMT Features Preliminary High Integrated USB Audio Controller AD62552A z Compliant with USB Specification v1.1, and USB 2.0 full speed z Embedded headphone driver z Embedded stereo dual ADC input z Microphone Boost z Support 16~24-bit I2S input and I2S output interface of master mode z Sampling frequencies(Fs)：44.1kHz for music playing back and recording z Support both bus-powered and self-powered operation z OS supports for Win Me/2000/XP/Vista and MacOS z Support volume/mute control with external button z LED indicator for operation status of USB operation, recording mute and speaker/headphone mute pins z Built-in 5V to 3.3V regulator for internal device operation z Anti-pop design z 48-pin LQFP 7x7 mm (Pb free) Description AD62552A is a single chip integrated headphone driver, DAC, ADC and microphone booster. AD62552A can drive up to 70mW @16Ω. The device also has a master mode I2S input port and output port. The I2S input port allows other external audio sources to be recorded by host and mixed to headphone. The I2S output port allows other high performance audio device (i.e. AD82550A/AD8256A/AD8356A) to be controlled by AD62552A. Functional Block Diagram Elite Semiconductor Memory Technology Inc. Publication Date: May 2008 Revision: 0.1 1/19 ESMT Pin Assignment Preliminary AD62552A Pin Description Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 Name VOLDNBO VOLUPBO MUTEBO LRCIN SDATAO BCLK SDATAI MCLK RESETB SEL0 PWRSEL MODE MICBR Type O O O O O O I O I I I I O Descriptio...