AK4120VF 参数 Datasheet PDF下载

ASAHI KASEI

[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), I

2

S

o

Master clock: 256/512fs

o

3-wire Serial or I

2

C 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