PAM8303D
Ultra Low EMI, 3W Filterless
Mono Class-D Audio Power Amplifier
Typical Operating Characteristics
T
A
=25 ° C, V
DD
=5V, f=1kHz, Gain=2V/V, unless otherwise noted
.
12
Power Supply Voltage (V)
13. Quiescent Current vs Power Supply Voltage
12
14. Shutdown Voltage vs Shutdown Current
10
8
6
4
2
0
3
3.5
4
4.5
R
L
=8 Ω
Shutdown Current(uA)
10
8
6
4
V
DD
=5V
No load
V
DD
=3V
2
0
V
DD
=3.6V
5
5.5
0
0.2
0.4
Shutdow n Voltage (V)
0.6
0.8
Quiescent Current (mA)
15. Output Power vs Supply Voltage
2.5
3.5
16. Output Power vs Supply Voltage
R
L
=4 Ω
R
L
=8 Ω
2
3
Output Power (V)
THD=10%
1.5
Output Power (W)
2.5
2
1.5
1
0.5
THD=10%
1
THD=1%
0.5
THD=1%
0
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
0
3
3.5
4
Supply Voltage (V)
4.5
5
Power Analog Microelectronics
,
Inc
www.poweranalog.com
09/2008 Rev 1.4
10
PAM [ POWER ANALOG MICOELECTRONICS ]
