PAM8302A
2.5W Filterless Class-D Mono Audio Amplifier
Typical Performance Characteristics
T
A
=25 C, unless otherwise noted.
Efficiency VS Output Power
V
DD
=5.0V
Efficiency VS Output Power
R
l
=8 Ω+33μΗ
O
95%
90%
85%
Efficiency
95%
90%
85%
Efficiency
Load=8ohm+33uH
Load=4ohm+33uH
80%
75%
70%
65%
60%
0
500
1000
1500
2000
2500
3000
Output Pow er(m W)
80%
75%
70%
65%
60%
0
500
1000
Output Pow er(m W)
1500
2000
Vin=5V
Vin=3.6V
4.5
4
Quiescent Current VS. Supply Voltage
No load
Oscillator Frequency (kHz)
Frequency VS. Supply Voltage
350
300
250
200
150
100
50
0
2.5
3
3.5
4
4.5
5
5.5
Quiescent Current(mA)
3.5
3
2.5
2
1.5
1
0.5
0
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
Supply V oltage (V )
0.16
0.14
Power Dissipation VS. Output Power
R
l
=8 Ω
Power Dissipation(W)
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0
500
1000
Output Pow e r(W)
VDD=5V
VDD=3.6V
1500
2000
Power Analog Microelectronics
,
Inc
www.poweranalog.com
7
09/2008 Rev 1.2
PAM [ POWER ANALOG MICOELECTRONICS ]
