Data Sheet

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage Range V
DD
2.5 5 V
No Load 10 15
R
L
=8Ω
11
Quiescent Current I
Q
R
L
=4Ω
12
mA
Mute Current I
MUTE
V
MUTE
=0V 1.5 3 mA
Shutdown Current I
SHDN
V
SHDN
=0V 45 100 uA
SHDN
Input High
V
SH
1.2
SHDN Input Low
V
SL
Note 2 0.5
V
MUTE
Input High
V
MH
1.2
MUTE Input Low
V
ML
Note 3 0.5
V
Output Offset Voltage V
OS
No Load 10 30 mV
P MOSFET 0.3 0.40Drain-Source On-State
Resistance
R
DS(ON)
I
DS
=0.5A
N MOSFET 0.22 0.35
Ω
R
L
=8Ω
1.55 1.7
Output Power P
O
THD+N=10%,
1kHz
R
L
=4Ω
2.85 3.0
W
R
L
=8Ω，P
O
=0.25W 0.08
R
L
=8Ω，P
O
=1.1W 0.27 1.0
R
L
=4Ω，P
O
=0.35W 0.08
Total Harmonic Distortion Plus
Noise
THD+N
R
L
=4Ω，P
O
=2.0W 0.3 1.0
%
Power Supply Ripple Rejection PSRR No input, f=1KHz, Vpp=200mV 45 55 dB
Channel Separation
CS
P
O
=1W, R
L
=4Ω
60 80 dB
Oscillator Frequency f
OSC
P
O
=1W, R
L
=8Ω
250 350 450 kHz
P
O
=1.7W,f=1kHz, R
L
=8Ω
85 89 %
Efficiency η
P
O
=3.0W,f=1kHz, R
L
=4Ω
80 83 %
R
L
=4Ω
65 80 dB
Signal Noise Ratio SNR f =20 to 20KHz
R
L
=8Ω
65 80 dB
Over Temperature Protection OTP 120 ℃
Over Temperature Hysteresis OTH 40 ℃
4
Electrical Characteristic
V =5V, Gain = 18.5dB, R =8 Note 1 T =25 unless otherwise noted.
DD L A
Ω( ), ℃，
English:www.poweranalog.com www.power-analog.com：
Note 1: All the loads here are delicate to use for speaker.
Note 2:
Note 3: Grounded or <0.9V to Mute
Grounded or <0.9V to Shutdown
PAM8403
Filterless 3W Class-D Stereo Audio Amplifier
03/2007
,Power Analog Microelectronics Inc