PAM8302A
2.5W Filterless Class-D Mono Audio Amplifier
Electrical Characteristic
V
DD
=5V, Gain = 24dB, R
L
=4 Ω, T
A
=25
°
C
，
unless otherwise noted.
PARAMETER
Supply Voltage Range
Quiescent Current
Shutdown Current
SYMBOL
V
DD
I
Q
I
SHDN
No Load
V
SHDN
=0V
f=1kHz, R
L
=4Ω
THD+N=10%
f=1kHz, R
L
=4Ω
Output Power
P
O
THD+N=1%
f=1kHz, R
L
=8Ω
THD+N=10%
F=1kHz, R
L
=8Ω
THD+N=1%
Peak Efficiency
Total Harmonic Distortion Plus
Noise
Gain
Power Supply Ripple Rejection
η
V
DD
=5V
V
DD
=3.6V
V
DD
=5V
V
DD
=3.6V
V
DD
=5V
V
DD
=3.6V
V
DD
=5V
V
DD
=3.6V
f=1kHz
2.50
1.25
2.00
0.95
1.50
0.80
1.30
0.65
85
88
%
W
CONDITIONS
MIN
2.5
4
TYP
MAX
5.5
8
1
UNITS
V
mA
μA
R
L
= 8Ω，P
O
=0.1W, f=1kHz
THD+N
0.30
0.45
0.35
0.40
24
dB
dB
45
50
%
R
L
= 8Ω，P
O
=0.5W, f=1kHz
R
L
= 4Ω，P
O
=0.1W, f=1kHz
R
L
= 4Ω，P
O
=0.5W, f=1kHz
Gv
PSRR
No input, f=1kHz, Vpp=200mV
Dynamic Range
Signal to Noise Ratio
Noise
Oscillator Frequency
Drain-Source On-State
Resistance
SHDN Input High
SHDN Input Low
Over Temperature Protection
Over Temperature Hysteresis
Dyn
SNR
Vn
f
OSC
R
DS(ON)
V
S H
V
SL
OTP
OTH
f=20 to 20kHz
f =20 to 20kHz
No A-weighting
A-weighting
200
I
DS
=100mA
P MOSFET
N MOSFET
1.2
90
80
180
120
250
0.45
0.20
0.4
135
30
300
dB
dB
μV
kHz
Ω
V
V
°C
°C
Power Analog Microelectronics
,
Inc
www.poweranalog.com
4
09/2008 Rev 1.2
PAM [ POWER ANALOG MICOELECTRONICS ]
