AK4671_10 Datasheet, PDF (11/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
PMVCM = MUTEN bits = “1”, PMPLL = MCKO = PMMP = M/S = PMSRA = PMSRB = PMPCM bits = “0”.
AVDD=13.2mA (typ), PVDD=0mA (typ), DVDD=6.7mA (typ), TVDD2=0mA (typ), TVDD3=0mA (typ),
SAVDD=0.8mA (typ).
Note 26. PLL Master Mode and LP bit = “0”, fs=44.1kHz, PMADL = PMMICL= PMMICR= PMADR = PMDAL =
PMDAR = PMLO1 = PMRO1 = PMLO2 = PMRO2 = PMLO2S = PMRO2S = PMLO3 = PMRO3 =PMSAD =
PMVCM = PMPLL = M/S = PMMP = MUTEN bits = “1”, MCKO = PMSRA = PMSRB = PMPCM bits = “0”,
PLL Reference Clock = MCKI = 11.2896MHz.
AVDD=14.7mA (typ), PVDD=0mA (typ), DVDD=7.0mA (typ), TVDD2=0mA (typ), TVDD3=0mA (typ),
SAVDD=0.8mA (typ).
Note 27. In case of LP bit = “1”, fs=8kHz, EXT Slave Mode and PMVCM = PMMP = PMMICL = PMADL = PMDAR =
RCV = PMLO1 = PMRO1 = PMSRA = PMSRB = PMPCM bits = “1”.
AVDD=5.2mA (typ), PVDD=0.6mA (typ), DVDD=2.2mA (typ), TVDD2=0mA (typ), TVDD3=0mA (typ),
SAVDD=0mA (typ).
Note 28. All digital input pins are fixed to each supply pin (DVDD, TVDD2 or TVDD3) or VSS4.
SRC CHARACTERISTICS
(Ta=25°C; AVDD=PVDD=SAVDD=DVDD=TVDD2=TVDD3=3.3V; VSS1=VSS2=VSS3=VSS4=0V;
Signal Frequency=1kHz; 16bit Data; Measurement frequency=20Hz ∼ 3.4kHz; unless otherwise specified)
Parameter
Symbol min
typ
max
SRC Characteristics (Down Sampling: SRC-A): SDTI Æ SRC-A Æ SDTOA/SDTOB
Resolution
-
-
16
Input Sample Rate
FSI (fs)
8
-
48
Output Sample Rate
FSO (fs2) -
8
-
THD+N (Input = 1kHz, −1dBFS, Note 29)
FSO/FSI = 8kHz/44.1kHz
-
−94
-
Dynamic Range (Input = 1kHz, −60dBFS, Note 29)
FSO/FSI = 8kHz/44.1kHz
-
97
-
Ratio between Input and Output Sample Rate
FSO/FSI 1/6
1
SRC Characteristics (Up Sampling: SRC-B): SDTIA/SDTIB Æ SRC-B Æ SDTO
Resolution
-
-
16
Input Sample Rate
FSI (fs2)
-
8
-
Output Sample Rate
FSO (fs)
8
-
48
THD+N (Input = 1kHz, −1dBFS, Note 29)
FSO/FSI = 44.1kHz/8kHz
-
−95
-
Dynamic Range (Input = 1kHz, −60dBFS, Note 29)
FSO/FSI = 44.1kHz/8kHz
-
100
-
Ratio between Input and Output Sample Rate
FSO/FSI
1
6
Note 29. Measured by Audio Precision System Two Cascade.
Note 30. fs is the sampling frequency for Stereo CODEC. fs2 is for PCM I/F.
Units
Bits
kHz
kHz
dB
dB
-
Bits
kHz
kHz
dB
dB
-
MS0666-E-02
- 11 -
2010/06