PAM8302A
2.5W Filterless Class-D Mono Audio Amplifier
Typical Performance Characteristics
T
A
=25 C, unless otherwise noted.
Quiescent Current VS Temperature
No input, No Load, V
DD
=5.0V
Oscillator Frequency (kHz)
O
8
Q uiescent Current(mA)
350
300
250
200
150
100
50
0
Frequency VS Temperature
No input, No Load, V
DD
=5.0V
7
6
5
4
3
2
1
0
0
50
100
Temperature
150
0
50
Temperature
100
150
0.4
0.35
Supply Current VS Output Power
R
l
=8
Ω
+33 μ H
0.7
0.6
Supply Current(A)
Supply Current VS Output Power
V
DD
=5.0V
Supply Current(A)
0.3
0.25
0.2
0.15
0.1
0.05
0
0
500
1000
Output Power(mW)
1500
VDD=3.6V
VDD=5V
2000
0.5
0.4
0.3
0.2
0.1
0
0
500
1000
1500
2000
2500
3000
Output Power(mW)
Load=8ohm+33uH
L=4ohm+33uH
2.5
2
O u tp u t Po w er(W)
Output Power VS. Supply Voltage
R
l
=8
Ω
3.5
3
Output Power VS. Supply Voltage
R
l
=4
Ω
1.5
1
0.5
0
2.8
3
3.2 3.4 3.6 3.8
4
4.2 4.4 4.6 4.8
5
5.2 5.4
Output Power(W)
2.5
2
1.5
1
0.5
0
2.5
THD+N=1%
THD+N=10%
3
3.5
4
4.5
5
5.5
THD=1%
THD=10%
Supply Voltage(V)
Supply Voltage(V)
Power Analog Microelectronics
,
Inc
www.poweranalog.com
6
09/2008 Rev 1.2
PAM [ POWER ANALOG MICOELECTRONICS ]
