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| PAM8404 Datasheet, PDF (6/18 Pages) Power Analog Micoelectronics – 3W/CH Filterless Stereo Class-D Audio Amplifier | |||
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PAM8404
3W/CH Filterless Stereo Class-D Audio Amplifier
Electrical Characteristic
WCSP 2x2-16
TA=25°C, AVDD=PVDD=5V, GND=PGND=0V, unless otherwise noted.
Parameter
Symbol
Test Conditions
MIN TYP MAX UNIT
Supply Voltage
VDD
Output Power
PO
Total Harmonic Distortion Plus
THD+N
Noise
Power Supply Ripple
Rejection
PSRR
THD+N=10% f=1kHz RL=4Ω
VDD=5V
VDD=3.6V
THD+N=1% f=1kHz RL=4Ω
VDD=5V
VDD=3.6V
THD+N=10% f=1kHz RL=8Ω
VDD=5V
VDD=3.6V
THD+N=1% f=1kHz RL=8Ω
VDD=5V
VDD=3.6V
VDD=5.0V, Po=0.5W,RL =8Ω
VDD=3.6V, Po=0.5W,RL =8Ω
f=1kHz
VDD=5.0V, Po=1W,RL=4Ω
VDD=3.6V, Po=1W,RL=4Ω
f=1kHz
VDD=5.0V, Inputs ac-grounded with f=217Hz
Cin=1μF
2.5
5.5 V
2.2
W
1.2
1.8
W
1
1.5
W
0.8
1.2
W
0.6
0.3
%
0.4
0.3
%
0.2
-50
dB
Crosstalk
Signal-to-noise ratio
Output noise
Dynamic range
Efficiency
Quiescent Current
Shutdown Current
Static Drain-to-source
On-state Resistor
Cs VDD=5V,Po=0.5W,RL=4Ω,Gv=23dB f=1kHz
-70
dB
SNR VDD=5V, Vorms=1V,Gv=23dB
A-weighting
85
dB
VDD=5V, Inputs ac-grounded with A-weighting
34
Vn Cin=1μF
μV
BW 22Hz-22kHz
No A-weighting
54
Dyn VDD=5.0V, THD=1%
A-weighting
98
dB
η
RL=8Ω, THD=10%
RL=4Ω, THD=10%
IQ
VDD=5V
VDD=3.6V
f=1kHz
No load
85
%
75
12
mA
7
ISD
VDD=2.5V to 5.5V
Vsd=0.3V
<1
μA
Rdson IDS=500mA,Vgs=5V
PMOS
NMOS
500
mΩ
460
Switching Frequency
Output Offset Voltage
closed-loop voltage gain
fsw VDD=5V
Vos Vin=0V, VDD=5V
Gain VDD=5V RL=4Ω f=1kHz
300
kHz
20
mV
G0=L G1=L
6
G0=H G1=L
12
dB
G0=L G1=H
18
G0=H G1=H
24
Over Temperature Protection
Over Temperature Hysterisis
OTP
OTH
No Load, Junction Temperature
150
°C
50
Power Analog Microelectronics,Inc
www.poweranalog.com
6
03/2009 Rev 1.1
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