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PAM8403 Datasheet, PDF (4/12 Pages) Power Analog Micoelectronics – Filterless 3W Class-D Stereo Audio Amplifier
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PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
Electrical Characteristic
V = DD 5V, Gain=24dB, RL=8Ω, TA=25°C, unless otherwise noted.
Symbol
Parameter
Test Conditions
MIN
VI N
Supply Power
2.5
VDD=5.0V
THD+N=10%,f=1kHz, RL=4 Ω
VDD=3.6V
VDD=3.0V
VDD=5.0V
THD+N=1%,f=1kHz, RL=4 Ω
VDD=3.6V
Po
Output Power
VDD=3.0V
VDD=5.0V
THD+N=10%,f=1kHz, RL=8 Ω
VDD=3.6V
VDD=3.0V
VDD=5.0V
THD+N=1%,f=1kHz, RL=8 Ω
VDD=3.6V
VDD=3.0V
Total Harmonic Distortion Plus
THD+N
Noise
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
VDD=3.6V,Po=1W,RL=4 Ω
f=1kHz
f=1kHz
Gv
Gain
VDD=5.0V, Inputs ac-grounded with
PSRR Power Supply Ripple Rejection
CIN =0.47μF
f=100Hz
f=1kHz
Cs
Crosstalk
VDD=5V,Po=0.5W,RL=8Ω,Gv=20dB F=1kHz
SNR
Signal-to-noise ratio
VDD=5V, Vorms=1V,Gv=20dB
f=1kHz
Vn
Output noise
VDD=5V, Inputs ac-grounded with A-weighting
CIN =0.47μF
No A-weighting
Dyn
Dynamic range
VDD=5.0V, THD=1%
f=1kHz
η
Efficiency
RL=8Ω, THD=10%
RL=4Ω, THD=10%
f=1kHz
VDD=5.0V
IQ
Quiescent Current
VDD=3.6V
No load
VDD=3.0V
TYP MAX UNIT
5.5 V
3.2
1.6
W
1.3
2.5
1.3
W
0.85
1.8
0.9
W
0.6
1.4
0.72
W
0.45
0.15
%
0.11
0.15
%
0.11
24
dB
-59
dB
-58
-95
dB
80
dB
100
μV
150
90
dB
87
%
83
16
10
mA
8
Power Analog Microelectronics,Inc
www.poweranalog.com
4
09/2008 Rev 1.3
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