AK7841 Datasheet, PDF (6/21 Pages) Asahi Kasei Microsystems – Monaural Audio Class-D Amp with Power Booster for PiezoSpeaker

ASAHI KASEI
[AK7841]
DC CHARACTERISTICS
(Ta=25°C; VBAT=2.7V ∼ 4.5V, DVDDI=1.65V ∼ 4.5V, VSS1=VSS2=VSS3=0V)
Parameter
Symbol Min.
Typ.
High-Level Input Voltage 1 (Note 9)
VIH1
70%DVDDI -
Low-Level Input Voltage 1 (Note 9)
VIL1
-
-
High-Level Input Voltage 2 (Note 10)
VIH2
80%DVDDI -
Low-Level Input Voltage 2 (Note 10)
VIL2
-
-
Hysterisys Voltage DVDDI=2.8V
VHS1
-
0.5
(Note 10)
DVDDI=1.65V
VHS2
-
0.3
Input Leakage Current
Iin
-
-
Max.
-
30%DVDDI
-
20%DVDDI
-
-
±10
Units
V
V
V
V
V
V
µA
Note 9. Applied to PG0, PG1, PG2, and SDSEL pin.
Note 10. Applied to PDN pin (Summit trigger input. These specifications are guaranteed by design and characterization
and are not tested in production.)
Rev.08
2008/3
-6-