AK7846 Datasheet, PDF (5/16 Pages) Asahi Kasei Microsystems – Stereo Audio Class-D Amp with Power Booster for Piezo Speakers

AKEMDAKEMD CONFIDENTIAL
[AK7846]
ABSOLUTE MAXIMUM RATINGS
(VSS1=VSS2=VSS3=VSS4=0V;Note 3)
Parameter
Symbol
min
Power Supplies: Battery
VBAT
−0.3
(Note.4)
Digital I/F
DVDDI
−0.3
Class-D Amp
VDD1,2
−0.3
Input Current, Any Pin Except Supplies
IIN
-10
Analog Input Voltage (Note 4) (Note 6)
VINA
−0.3
Digital Input Voltage (Note 5) (Note 6)
VIND
−0.3
Ambient Temperature (powered applied)
Ta
−30
Storage Temperature
Tstg
−65
Note 2. All voltages are with respect to ground.
Note 3. VSS1, VSS2, VSS3, VSS4 pin must be connected to the same analog ground plane.
Note 4. INL,INR pin
Note 5. PDN, PG2, PG1, PG0, FC1, FC0 pin
Note 6. Maximum value must not exceed 6.5V even if VBAT or DVDDI is more than 6.2V.
max
6.5
6.5
15
+10
VBAT+0.3
DVDDI+0.3
85
150
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
Units
V
V
V
mA
V
V
°C
°C
RECOMMENDED OPERATING CONDITIONS
(VSS1=VSS2=VSS3=VSS4=0V; Note 2)
Parameter
Symbol
min
typ
max
Power Supplies Battery (Note 7) VBAT
2.7
3.6
4.5
VDD (Note 8) VDDx
12
13
14
DigitalI/F(Note 7) DVDDI
1.65
2.8
4.5
Note 2. All voltages are with respect to ground.
Note 7. Should sustain “VBAT≧ DVDDI” condition
Note 8. Supply with boosted voltage (typ. 13V) by the Power Booster.
* AKM assumes no responsibility for usage beyond the conditions in this datasheet.
DC CHARACTERISTICS
(Ta=25°C; VBAT=2.7 ∼ 4.5V,DVDDI = 1.65～4.5V,VSS1=VSS2=VSS3=VSS4=0V)
Parameter
Symbol min
typ
High-Level Input Voltage1 (Note 9)
VIH1 70%DVDDI -
Low-Level Input Voltage1 (Note 9)
VIL1 -
-
High-Level Input Voltage2 (Note 10)
VIH2 80%DVDDI -
Low-Level Input Voltage2 (Note 10)
VIL2 -
-
Input Leakage CurrentI
Note 9. Applied to PG0, PG1, PG2.
Note 10. Applied to PDN, FC1, FC2 (Summit trigger input).
Units
V
V
V
max
-
30%DVDDI
-
20%DVDDI
±10
Units
V
V
V
V
µA
Rev.04.9
–5–
2008/03