AK4121VF
AK4121VF Datasheet
[AK4121]
| Part | Datasheet |
|---|---|
AK4121VF |
AK4121VF (pdf) |
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| ASAHI KASEI [AK4121] AK4121 Asynchronous Sample Rate Converter GENERAL DESCRIPTION AK4121 is a stereo asynchronous sample rate converter. The input sample rate ranges from 8kHz to 96kHz. The output sample rate is 32kHz, 44.1kHz, 48kHz or 96kHz. Using the AK4121 simplifies system design, since the AK4121’s internal PLL eliminates the need for a master clock in slave mode. Then the AK4121 is suitable for applications requiring multiple sample rates, such as Car Audio, DVD recorders, and digital audio recording. Stereo asynchronous sample rate converter Input sample rate range FSI 8kHz to 96kHz Output sample rate FSO 32kHz/44.1kHz/48kHz/96kHz Input to output Sample rate ratio FSO/FSI = to 6 THD+N I/F format MSB justified, LSB justified 24/20/16bit and I2S Clock for Master mode 256/384/512/768fso De-emphasis filter 32kHz/44.1kHz/48kHz SRC Bypass mode Soft Mute function Power Supply VDD to 3.6V, TVDD to 5.5V for input tolerant Ta to +85qC DEM0 DEM1 SMUTE TVDD VDD DVSS SDTI ILRCK IBICK Serial Audio I/F De-em filter Sample Rate Converter soft mute AVSS FILT Serial Audio I/F MCLK SDTO OLRCK OBICK CMODE2 CMODE1 CMODE0 IDIF2 IDIF1 IDIF0 ODIF1 ODIF0 MS0191-E-03 -1- 2004/08 ASAHI KASEI - Ordering Guide AK4121VF AKD4121 - Pin Layout a +85qC 24pin VSOP 0.65mm pitch Evaluation Board for AK4121 [AK4121] FILT AVSS SMUTE DEM0 DEM1 ILRCK IBICK SDTI IDIF0 IDIF1 IDIF2 Top View DVSS TVDD MCLK OLRCK OBICK SDTO ODIF1 ODIF0 CMODE2 CMODE1 CMODE0 - Major Difference between AK4120 and AK4121 Items MCLK Input Input sample rate max Vdd Input 5V Tolerant De-emphasis Filter Soft Mute Digital Volume Digital Mixer AK4120 Needed supports 256/512fs 48kHz 2.7V ~ 3.6V AK4121 NOT Needed Slave mode / Needed Master Mode supports 256/384/512/768fs 96kHz 3.0V ~ 3.6V MS0191-E-03 -2- 2004/08 |
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