
[AK4671] 
MS0666-E-00 
2007/10 
- 7 - 
ABSOLUTE MAXIMUM RATINGS 
(VSS1=VSS2=VSS3=VSS4=0V; 
Note 2
, 
Note 3
) 
Parameter 
Power Supplies: 
Analog 
PLLBT 
10bit SAR ADC 
Digital 
Digital I/O 2 
Digital I/O 3 
Input Current, Any Pin Except Supplies 
Analog Input Voltage 1 (
Note 4
)
Analog Input Voltage 2 (
Note 5
)
Digital Input Voltage 1 (
Note 6
) 
Digital Input Voltage 2 (
Note 7
) 
Digital Input Voltage 3 (
Note 8
) 
Ambient Temperature (powered applied) 
Storage Temperature 
Note 2. All voltages with respect to ground. 
Note 3. VSS1, VSS2, VSS3 and VSS4 must be connected to the same analog ground plane. 
Note 4. RIN4/IN4
, LIN4/IN4+, RIN3/IN3
, LIN3/IN3+, RIN2/IN2
, LIN2/IN2+, RIN1/IN1
, LIN1/IN1+ pins 
Note 5. SAIN1, SAIN2, SAIN3 pins 
Note 6. PDN, I2C, CSN/CAD0, CCLK/SCL, CDTI/SDA, SDTI, LRCK, BICK, MCKI pins 
Pull-up resistors at SDA and SCL pins should be connected to (DVDD+0.3)V or less voltage. 
Note 7. BICKA, SYNCA, SDTIA pins 
Note 8. BICKB, SYNCB, SDTIB pins 
WARNING: Operation at or beyond these limits may result in permanent damage to the device. 
Normal operation is not guaranteed at these extremes. 
RECOMMENDED OPERATING CONDITIONS 
(VSS1=VSS2=VSS3=VSS4=0V; 
Note 2
) 
Parameter 
Symbol 
Power Supplies 
Analog 
AVDD 
(
Note 9
) PLLBT 
PVDD 
10bit SAR ADC 
SAVDD 
Digital 
DVDD 
Digital I/O 2 
TVDD2 
Digital I/O 3 
TVDD3 
Difference 
AVDD
PVDD
Note 2. All voltages with respect to ground. 
Note 9. The power-up sequence between AVDD, PVDD, SAVDD, DVDD, TVDD2 and TVDD3 is not critical. 
The PDN pin should be held to “L” when power-up. The PDN pin should be set to “H” after all power supplies are 
powered-up. The AK4671 should be operated by the recommended power-up/down sequence shown in “
System 
Design (Grounding and Power Supply Decoupling)
” to avoid pop noise at receiver output, headphone output and 
line output. 
When the power is OFF partially except for DVDD, all power management bits (PMVCM, PMMP, PMMICL, 
PMMICR, PMADL, PMADR, PMDAL, PMDAR, PMPLL, PMLOOPL, PMLOOPR, PMAINL1, PMAINR1, 
PMAINL2, PMAINR2, PMAINL3, PMAINR3, PMAINL4, PMAINR4, PMLO1, PMRO1, PMLO2, PMRO2, 
PMLO2S, PMRO2S, PMLO3, PMRO3, PMSRA, PMSRB, PMPCM, PMSAD) should be “0” or the PDN pin 
should be “L”. DVDD should not be powered OFF while AVDD, PVDD, SAVDD, TVDD2 or TVDD3 is 
powered ON. When only DVDD is OFF, the current of 10mA to 100mA around may occur.
* AKEMD assumes no responsibility for the usage beyond the conditions in this datasheet. 
Symbol 
AVDD 
PVDD 
SAVDD 
DVDD 
TVDD2 
TVDD3 
IIN 
VINA1 
VINA2 
VIND1 
VIND2 
VIND3 
Ta 
Tstg 
min 
0.3 
0.3 
0.3 
0.3 
0.3 
0.3 
- 
0.3 
0.3 
0.3 
0.3 
0.3 
30 
65 
max 
4.0 
4.0 
4.0 
4.0 
4.0 
4.0 
±
10 
Units 
V 
V 
V 
V 
V 
V 
mA 
V 
V 
V 
V 
V 
°
C 
°
C 
AVDD+0.3 
SAVDD+0.3 
DVDD+0.3 
TVDD2+0.3 
TVDD3+0.3 
85 
150 
min 
2.2 
2.2 
2.2 
1.6 
1.6 
1.6 
0.1 
typ 
3.3 
3.3 
3.3 
3.3 
3.3 
3.3 
0 
max 
3.6 
3.6 
3.6 
3.6 
3.6 
3.6 
+0.1 
Units 
V 
V 
V 
V 
V 
V 
V