AK4120

ASAHI KASEI www.DataSheet4U.com [AK4120] AK4120 Sample Rate Converter with Mixer and Volume GENERAL DESCRIPTION The AK4120 is a stereo asynchronous sample rate converter. The input sample rate range is from 8kHz to 48kHz. The output sample rate is fixed at 32kHz, 44.1kHz, 48kHz or 96kHz. AK4120 includes a digital mixer and digital volume control. Applications for this device include pro audio mastering, consumer format conversion and desktop audio production and playback. FEATURES o Stereo Asynchronous Sample Rate Converter o Digital Mixer o Digital Volume o Input Sample Rate Range (FSI): 8kHz to 48kHz o Output Sample Rate (FSO): 32kHz, 44.1kHz, 48kHz and 96kHz o Input to Output Sample Rate Ratio: FSO/FSI = 0.667 to 6 o THD+N: –113dB at 1kHz input o I/F format: MSB justified (20bit), LSB justified (16bit/20bit), I2S o Master clock: 256/512fs o 3-wire Serial or I2C Bus µP I/F for mode setting o Power Supply: 2.7 to 3.6V I2C I2S PDN SDTI1 ILRCK1 IBICK1 IMCLK1 IMCLK2 SDTI2 ILRCK2 IBICK2 VDD Input#1 Audio I/F Sample Rate Converter Volume#1 VSS TEST OMCLK SDTO OLRCK OBICK Input#2 Audio I/F Volume#2 Output Audio I/F µ P I/F I2MODE CAD0 CSN/CAD1 CCLK/SDL CDTI/SDA OMODE MS0134-E-00 -1- 2002/1 ASAHI KASEI www.DataSheet4U.com [AK4120] n Ordering Guide AK4120VF AKD4120 -40 ∼ +85°C 24pin VSOP (0.65mm pitch) Evaluation Board for AK4120 n Pin Layout IMCLK1 SDTI1 IBICK1 ILRCK1 TEST I2S I2C CAD0 CSN/CAD1 CCLK/SCL CDTI/SDA PDN 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 ...