AK7754 Datasheet, PDF (9/26 Pages) Asahi Kasei Microsystems – Audio DSP with Stereo CODEC + MIC/HP-AMP

[AK7754]
ABSOLUTE MAXIMUM RATINGS
(VSS1=VSS2=VSS3=VSS4= 0V: Note 1)
Parameter
Symbol
min
max
Unit
Power Supply Voltage (AVDD=DVDD)
Analog
AVDD
-0.3
4.3
V
Analog
HVDD
-0.3
4.3
V
Digital
DVDD
-0.3
4.3
V
Digital
DVDD18
-0.3
2.5
V
Difference(VSS1~4)
ΔGND
-0.3
0.3
V
Input Current (except for power supply pin)
IIN
–
±10
mA
Analog Input Voltage (Note 2)
VINA
-0.3
(AVDD+0.3) or 4.3
V
Digital Input Voltage (Note 3)
VIND1
-0.3
(DVDD+0.3) or 4.3
V
Operating Ambient Temperature
Ta
-20
85
ºC
Storage Temperature
Tstg
-65
150
ºC
Note 1. All indicated voltages are with respect to ground.
Note 2. VSS1-5 must be connected to the same ground plane.
Note 3. The maximum digital input voltage is smaller value between (DVDD+0.3)V and 4.3V.
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 1)
Parameter
Symbol
min
typ
max
Unit
Power Supply Voltage
Analog
AVDD
3.0
3.3
3.6
V
Analog
HVDD
3.0
3.3
3.6
V
Digital
DVDD
3.0
3.3
3.6
V
Digital
DVDD18
1.7
1.8
1.9
V
HVDD-AVDD
ΔVDD1
-0.3
0
+0.3
V
HVDD-DVDD
ΔVDD2
-0.3
0
+0.3
V
AVDD-DVDD
ΔVDD3
-0.3
0
+0.3
V
Note 4. The power supply sequence for AVDD, HVDD, DVDD and DVDD18 is not critical but all power supplies must
be On before start operating the AK7754.
Note 5. Do not turn off the power supply of the AK7754 with the power supply of the surrounding device turned on.
DVDD must not exceed the pull-up of SDA and SCL of I2C BUS. (The diode exists for DVDD in the SDA and
SCL pins.)
WARNING: AKM assumes no responsibility for the usage beyond the conditions in the datasheet.
MS1138-E-01-PB
9
2012/03