AK4370 データシートの表示（PDF） - Asahi Kasei Microdevices
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AK4370 Datasheet PDF : 49 Pages
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ASAHI KASEI
[AK4370]
■ Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification
Analog
Digital
Pin Name
LOUT, ROUT, MUTET, HPL, HPR, LIN2, RIN2,
RIN1/IN+, LIN1/IN−
MCKI
Setting
These pins should be open.
This pin should be connected to VSS2.
ABSOLUATE MAXIMUM RATING
(VSS1, VSS2=0V; Note 2, Note 3)
Parameter
Symbol
min
max
Units
Power Supplies Analog
AVDD
−0.3
4.6
V
Digital
DVDD
−0.3
4.6
V
HP-Amp
HVDD
−0.3
4.6
V
Input Current (any pins except for supplies)
IIN
-
±10
mA
Analog Input Voltage (Note 4)
VINA
−0.3
(AVDD+0.3) or 4.6
V
Digital Input Voltage (Note 5)
VIND
−0.3
(DVDD+0.3) or 4.6
V
Ambient Temperature
Ta
−30
85
°C
Storage Temperature
Tstg
−65
150
°C
Note 2. All voltages with respect to ground.
Note 3. VSS1 and VSS2 must be connected to the same analog ground plane.
Note 4. LIN1/IN−, RIN1/IN+, LIN2 and RIN2 pins. Max is smaller value between (AVDD+0.3)V and 4.6V.
Note 5. SDA/CDTI, SCL/CCLK, CAD0/CSN, SDATA, LRCK, BICK, MCKI, PDN and I2C pins. Max is smaller value
between (DVDD+0.3)V and 4.6V.
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMEND OPERATING CONDITIONS
(VSS1, VSS2=0V; Note 2)
Parameter
Symbol
min
typ
max
Units
Power Supplies Analog
AVDD
1.6
2.4
3.6
V
(Note 6)
Digital (Note 7)
DVDD
1.6
2.4 (AVDD+0.2) or 3.6 V
HP-Amp
HVDD
1.6
2.4
3.6
V
Difference
AVDD−HVDD
−0.3
0
+0.3
V
Note 2. All voltages with respect to ground.
Note 6. When AVDD and DVDD are supplied separately, AVDD should be powered-up after DVDD rises up to 1.6V or
more. When the AK4370 is powered-down, DVDD should be powered-down at the same time or later than
AVDD. When AVDD and HVDD are supplied separately, AVDD should be powered-up at the same time or
earlier than HVDD. When the AK4370 is powered-down, AVDD should be powered-down at the same time or
later than HVDD.
Note 7. Max is smaller value between (AVDD+0.2)V and 3.6V.
* AKM assumes no responsibility for usage beyond the conditions in this datasheet.
MS0595-E-00
-6-
2007/03
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