ak4671 AKM Semiconductor, Inc., ak4671 Datasheet - Page 11

• Manufacturer Part Number: ak4671
• Description: Stereo Codec With Mic/rcv/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

Note 26. PLL Master Mode and LP bit = “0”, fs=44.1kHz, PMADL = PMMICL= PMMICR= PMADR = PMDAL =
Note 27. In case of LP bit = “1”, fs=8kHz, EXT Slave Mode and PMVCM = PMMP = PMMICL = PMADL = PMDAR =
Note 28. All digital input pins are fixed to each supply pin (DVDD, TVDD2 or TVDD3) or VSS4.
(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
SRC Characteristics (Down Sampling: SRC-A): SDTI
Resolution
Input Sample Rate
Output Sample Rate
THD+N (Input = 1kHz, −1dBFS,
Dynamic Range (Input = 1kHz, −60dBFS,
Ratio between Input and Output Sample Rate
SRC Characteristics (Up Sampling: SRC-B): SDTIA/SDTIB
Resolution
Input Sample Rate
Output Sample Rate
THD+N (Input = 1kHz, −1dBFS,
Dynamic Range (Input = 1kHz, −60dBFS,
Ratio between Input and Output Sample Rate
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.
MS0666-E-00
FSO/FSI = 8kHz/44.1kHz
FSO/FSI = 8kHz/44.1kHz
FSO/FSI = 44.1kHz/8kHz
FSO/FSI = 44.1kHz/8kHz
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).
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).
RCV = PMLO1 = PMRO1 = PMSRA = PMSRB = PMPCM bits = “1”.
SAVDD=0mA (typ).
AVDD=5.2mA (typ), PVDD=0.6mA (typ), DVDD=2.2mA (typ), TVDD2=0mA (typ), TVDD3=0mA (typ),
Note
Note
29)
29)
Note
Note
SRC CHARACTERISTICS
29)
29)
- 11 -
SRC-A
FSO (fs2)
SRC-B
FSO/FSI
FSI (fs2)
FSO/FSI
FSO (fs)
Symbol
FSI (fs)
SDTOA/SDTOB
SDTO
min
1/6
8
8
1
-
-
-
-
-
-
-
-
−94
−95
100
typ
97
8
8
-
-
-
-
max
16
48
16
48
1
6
-
-
-
-
-
-
[AK4671]
2007/10
Units
kHz
kHz
kHz
kHz
Bits
Bits
dB
dB
dB
dB
-
-