PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Electrical Characteristic
VDD=5V, Gain=24dB, RL=8Ω, TA=25°C, unless otherwise noted.
Symbol
Parameter
Test Conditions
MIN
TYP MAX UNIT
V
IN
Supply Power
2.5
5.5
V
VDD=5.0V
VDD=3.6V
VDD=3.0V
VDD=5.0V
VDD=3.6V
3.2
1.6
1.3
2.5
1.3
0.85
1.8
0.9
0.6
1.4
0.72
0.45
0.15
0.11
0.15
0.11
24
THD+N=10%,f=1kHz, RL=4 Ω
THD+N=1%,f=1kHz, RL=4 Ω
THD+N=10%,f=1kHz, RL=8 Ω
THD+N=1%,f=1kHz, RL=8 Ω
W
W
W
VDD=3.0V
Po
Output Power
VDD=5.0V
VDD=3.6V
VDD=3.0V
VDD=5.0V
VDD=3.6V
VDD=3.0V
W
%
VDD=5.0V,Po=0.5W,RL=8 Ω
VDD=3.6V,Po=0.5W,RL=8 Ω
VDD=5.0V,Po=1W,RL=4 Ω
f=1kHz
f=1kHz
Total Harmonic Distortion Plus
Noise
THD+N
%
VDD=3.6V,Po=1W,RL=4 Ω
Gv
Gain
dB
dB
V
DD=5.0V, Inputs ac-grounded with
f=100Hz
f=1kHz
-59
-58
-95
80
PSRR
Power Supply Ripple Rejection
CIN =0.47μF
Cs
Crosstalk
VDD=5V,Po=0.5W,RL=8Ω,Gv=20dB
VDD=5V, Vorms=1V,Gv=20dB
F=1kHz
dB
dB
SNR
Signal-to-noise ratio
f=1kHz
V
DD=5V, Inputs ac-grounded with
CIN =0.47μF
A-weighting
No A-weighting
f=1kHz
100
150
90
Vn
Dyn
η
Output noise
Dynamic range
Efficiency
μV
dB
%
VDD=5.0V, THD=1%
RL=8Ω, THD=10%
RL=4Ω, THD=10%
VDD=5.0V
87
f=1kHz
No load
83
16
IQ
Quiescent Current
VDD=3.6V
10
mA
VDD=3.0V
8
Power Analog Microelectronics,Inc
www.poweranalog.com
09/2008 Rev 1.3
4
PAM [ POWER ANALOG MICOELECTRONICS ]
