PAM8945 Datasheet, PDF (2/9 Pages) Diodes Incorporated – 4.0W CLASS-G AUDIO AMPLIFIER WITH INTEGRATED

Typical Applications Circuit
2.8V to 5.2V
+ _10μF
100μF
ON
OFF
Audio Input
AGC
2.2μH
VBAT
1μF 10μF
SW PVDD
PGND
EN
OUT+
IN+
IN-
OUT-
AGC AGND BGND
PAM8945
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
Pin Name
PVDD
OUT+
OUT-
PGND
AGND
IN-
IN+
EN
AGC
VBAT
SW
BGND
Description
Boost Converter Output and Amplifier Power Supply
Amplifier Positive Audio Output
Amplifier Negative Audio Output
Power Ground
Analog Ground
Negative Audio Input
Positive Audio Input
Shutdown Terminal for the Chip
AGC Setting Gain
Supply Voltage
Boost Convertor Switching
Power Ground
PAM8945
Document number: DS38267 Rev. 1 - 2
2 of 9
www.diodes.com
December 2015
© Diodes Incorporated