PAM8004 Datasheet, PDF (4/11 Pages) Power Analog Micoelectronics – Filterless 3W Class-D Stereo Audio Amplifier

PAM8004
Filterless 3W Class-D Stereo Audio Amplifier
Electrical Characteristic
V_DD=5V, Gain=24dB, R_L=8Ω, T_A=25°C, unless otherwise noted.
Symbol
Parameter
Test Conditions
MIN
VIN
Supply Power
Po
Output Power
THD+N=10%,f=1kHz, RL=4 Ω
THD+N=1%,f=1kHz, R_L=4 Ω
THD+N=10%,f=1kHz, R_L=8 Ω
2.5
VDD=5.0V
V_DD=5.0V
V_DD=5.0V
Total Harmonic Distortion Plus
THD+N
Noise
THD+N=1%,f=1kHz, R_L=8 Ω
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
V_DD=5.0V
f=1kHz
f=1kHz
VDD=5.0V, Inputs ac-grounded with
PSRR Power Supply Ripple Rejection
CIN=0.47µF,Gv=6dB
f=1kHz
Cs
Crosstalk
VDD=5V,Po=0.5W,RL=8Ω,Gv=20dB F=1kHz
SNR
Signal-to-noise ratio
VDD=5V, Gv=6dB
f=1kHz
V_DD=5V, Inputs ac-grounded with A-weighting
Vn
Output noise
CIN=0.47µF,Gv=6dB
No A-weighting
η
Efficiency
RL=8Ω, THD=10%
RL=4Ω, THD=10%
f=1kHz
I_Q
Quiescent Current
VDD=5.0V
V_DD=3.6V
No load
VDD=3.0V
ISD
Shutdown Current
VDD=2.5V to 5.5V
Static Drain-to-source On-state
Rdson
Resistor
I_DS=50 0m A,Vgs=5V
PMOS
NMOS
fsw
Switching Frequency
Vos
Output Offset Voltage
V_DD=3V to 5V
Vin=0V, V_DD=5V
VIH
Enable Input High Voltage
VDD=5.0V
1.5
V_IL
Enable Input Low Voltage
V_DD=5.0V
OTP
OTH
Over Temperature Protection
Over Temperature Hysterisis
No Load, Junction Temperature
VDD=5V
TYP MAX UNIT
5.5 V
2.5
W
2.2
W
1.65
W
1.3
W
0.16
%
0.12
0.17
%
0.26
-70
dB
-93
dB
86
dB
33
µV
50
87
%
79
4.5 7
4 6.5 mA
3.7 5.5
1 µA
0.41
mΩ
0.27
210
kHz
10
mV
V
0.4
150
°C
30
Power Analog Microelectronics,Inc
www.poweranalog.com
4
08/2010 Rev1.0