AK4373 Datasheet, PDF (10/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
■ Handling of Unused Pin
The unused I/O pins must be processed appropriately as below.
Classification
Analog
Digital
Pin Name
VCOC, SPN/HPR−/HVCM, SPP/HPR+/TEST,
HPR/HPL-, HPL/HPL+, MIN+, MIN-, MUTET
MCKO
MCKI
Setting
These pins must be open.
This pin must be open.
This pin must be connected to VSS3.
ABSOLUTE MAXIMUM RATINGS
(VSS1=VSS2=VSS3=0V; Note 5)
Parameter
Symbol
min
Power Supplies: Analog
AVDD
−0.3
Digital
DVDD
−0.3
Headphone-Amp / Speaker-Amp HVDD
−0.3
Input Current, Any Pin Except Supplies
IIN
-
Analog Input Voltage (Note 7)
VINA
−0.3
Digital Input Voltage (Note 8)
VIND
−0.3
Ambient Temperature (powered applied)
Ta
−30
Storage Temperature
Tstg
−65
Maximum Power Dissipation (Note 9)
Pd
-
max
4.6
4.6
4.6
±10
(AVDD+0.3) or 4.6
(DVDD+0.3) or 4.6
85
150
511
Units
V
V
V
mA
V
V
°C
°C
mW
Note 5. All voltages are with respect to ground.
Note 6. VSS1, VSS2 and VSS3 must be connected to the same analog ground plane.
Note 7. I2C, MIN+, MIN- pin
Note 8. PDN, CSN/CAD0, CCLK/SCL, CDTI/SDA, SDTI, LRCK, BICK, MCKI pins
Pull-up resistors at SDA and SCL pins must be connected to (DVDD+0.3)V or less voltage.
Note 9. In case that the exposed pad is connected to the ground and PCB drawing density is 100%.This power is the
AK4373 internal dissipation that does not include power of externally connected speaker and headphone.
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; Note 5)
Parameter
Symbol
min
typ
Power Supplies Analog
AVDD
2.2
3.3
(Note 10) Digital
DVDD
1.6
3.3
HP / SPK-Amp
HVDD
2.2
3.3
Difference1
DVDD – AVDD
-
-
Difference2
DVDD – HVDD
-
-
max
Units
3.6
V
3.6
V
4.0
V
+0.3
V
+0.3
V
Note 5. All voltages are with respect to ground.
Note 10. The power-up sequence between AVDD, DVDD and HVDD is not critical. When only AVDD or HVDD is
powered OFF, the power supply current of DVDD at power-down mode may be increased. DVDD must not be
powered OFF while AVDD or HVDD is powered ON.
* AKEMD assumes no responsibility for the usage beyond the conditions in this datasheet.
MS0991-E-00
- 10 -
2008/09