AK4121A Datasheet PDF - Asahi Kasei Microsystems

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AK4121A
Asahi Kasei Microsystems

Part Number AK4121A
Description ASYNCHRONOUS SAMPLE RATE CONVERTER
Page 19 Pages


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AK4121A
Asynchronous Sample Rate Converter
GENERAL DESCRIPTION
The AK4121A 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. Since the internal PLL
eliminates the need for a master clock in slave mode, the AK4121 simplifies the system design.
Therefore, the AK4121A is suitable for applications requiring multiple sample rates, such as Car Audio,
DVD recorders, and digital audio recording.
FEATURES
† 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 = 0.33 to 6
† THD+N: –113dB
† 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: 3.0 to 3.6V, TVDD: 3.0 to 5.5V (for input tolerant)
† Ta: –40 to +85°C
PDN
DEM0 DEM1
SMUTE
TVDD VDD DVSS
SDTI
ILRCK
IBICK
Serial
Audio
I/F
De-em
filter
Sample
Rate
Converter
soft
mute
AVSS
FILT
PLL
Serial
Audio
I/F
(MCLK)
SDTO
OLRCK
OBICK
CMODE2
CMODE1
CMODE0
IDIF2 IDIF1 IDIF0
ODIF1 ODIF0
MS0337-E-02
-1-
2007/07

AK4121A datasheet pdf
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AK4121A pdf
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AK4121A ASYNCHRONOUS SAMPLE RATE CONVERTER AK4121A
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AK4121A pdf

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