[AK4649]
■
Handling of Unused Pin
The unused I/O pins must be processed appropriately as below.
Classification
Pin Name
MPWR/DMP, VCOC, SPN, SPP, ROUT, LOUT,
Analog
MIN, RIN2, LIN2, LIN1/DMDAT, RIN1/DMCLK
MCKO
Digital
MCKI
Setting
These pins must be open.
These pins must be open.
This pin must be connected to VSS2.
ABSOLUTE MAXIMUM RATINGS
(VSS1=VSS2=VSS3=0V;
Parameter
Symbol
min
max
Units
Power Supplies: Analog
AVDD
4.6
V
−0.3
Digital
DVDD
4.6
V
−0.3
Speaker-Amp
SVDD
4.6
V
−0.3
Input Current, Any Pin Except Supplies
IIN
-
mA
±10
Analog Input Voltage (Note
5)
VINA
AVDD+0.3
V
−0.3
Digital Input Voltage (Note
6)
VIND
DVDD+0.3
V
−0.3
Ambient Temperature (powered applied)
Ta
85
−30
°C
Storage Temperature
Tstg
150
−65
°C
Maximum Power Dissipation (Note
7)
Pd1
-
390
mW
Note 3. All voltages are with respect to ground.
Note 4. VSS1, VSS2 and VSS3 must be connected to the same analog ground plane.
Note 5. MIN, LIN1, RIN1, LIN2 and RIN2 pins
Note 6. PDN, CSN, CCLK, CDTIO, SDTI, LRCK, BICK and MCKI pins
Note 7. In case that PCB wiring density is 200% over and surface wiring density is 50% over. This power is the AK4649
internal dissipation that does not include power dissipation of an externally connected speaker.
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=0V;
Parameter
Symbol
min
typ
Max
Units
Power Supplies
Analog
AVDD
2.4
3.3
3.6
V
8)
Digital
DVDD
1.6
3.3
3.6
V
SPK-Amp
SVDD
2.4
3.3
3.6
V
Difference
DVDD-AVDD
-
-
+0.6
V
-
-
+1.0
V
AVDD−SVDD
Note 8. The power-up sequence between AVDD, DVDD and SVDD is not critical. The PDN pin must be “L” upon power
up, and should be changed to “H” after all power supplies are supplied to avoid an internal circuit error.
* When DVDD is powered ON and the PDN pin is “L”, AVDD or SVDD can be powered OFF.
However, when AVDD is powered OFF, the power supply current of DVDD at power-down
mode may be increased. When the AK4649 is changed from power down state to power ON,
the PDN pin must be “H” after all power supplies are ON.
* AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
MS1023-E-01
-7-
2010/08
AKM [ ASAHI KASEI MICROSYSTEMS ]
