PAM8902 Datasheet, PDF (4/13 Pages) Power Analog Micoelectronics – 30-Vpp Mono Class-D Audio Amplifier for Piezo/Ceramic Speakers

PAM8902
30-Vpp Mono Class-D Audio Amplifier for Piezo/Ceramic Speakers
Pin Configuration
Bump(CSP) Pin NO.(QFN)
A1
16
A2
1
A3
2
A4
4
B1
15
B2
3
B3
5
B4
6
C1
14
C2
11
C3
7
C4
8
D1
13
D2
12
D3
10
D4
9
Name
PV CC
VOUT
SW
PGND1
OUT+
VSET
COMP
AV DD
OUT-
GSET
VCM
AGND
PGND2
ENA
INN
INP
Description
Audio Amplifier Power Supply
Boost Convertor Output
Boost Convertor Switching Node
Boost Convertor Power Ground
Positive Differential Audio Output
Boost Convertor Output Voltage Setting(8V,12V,17.5V)
Boost Convertor compensation
Power Supply
Negative Differential Audio Output
Amplifier Gain setting ( 18dB , 22dB , 26dB)
Common Mode bypass Cap
Analog Ground
Class D Power Ground
Whole chip Enable
Negative Differential Audio Input
Positive Differential Audio Input
Absolute Maximum Ratings
These are stress ratings only and functional operation is not implied. Exposure to absolute
maximum ratings for prolonged time periods may affect device reliability. All voltages are with
respect to ground.
Supply Voltage ............................................6.0V
Input Voltage.............................-0.3V to V _DD+0.3V
Storage Temperature.....................-65°C to 150°C
Maximum Junction Temperature..................150°C
Soldering Temperature....................250°C,10 sec
Recommended Operating Conditions
Supply voltage Range........................ 2.5V to 5.5V Ambient Temperature Range............-40 °C to 85 °C
Junction Temperature Range.........-40°C to 125°C
Thermal Information
Parameter
Thermal Res istance (Junc tion to ambient)
Symbol
θ_JA
Thermal Resistance (Junction to case)
θJC
Package
C SP
QFN4X4-16
C SP
QFN4X4-16
Max imum
90
52
75
30
Unit
°C/W
°C/W
Power Analog Microelectronics, Inc
www.poweranalog.com
4
01/2012 Rev1.4