Sure Electronics PAM8803, User Manual

Page: 18 / 22

2*2W @4 Ω PAM8803 CLASS-D
AUDIO AMPLIFIER BOARD
USER’S GUIDE
©
2004-2010 Sure Electronics Inc.
Chapter 3. Electrical Characteristics
Following table lists all typical data. For full specification, please refer to the
PAM’s data
sheet of PAM8803 chip.
T
A
=20 , f=1000Hz RL=4 Ω , f=1000Hz, Sine wave input, R
℃
L
=4 Ω (unless otherwise
stated)
FIGURE 3-1 ELECTRICAL CHARACTERISTICS
Parameter Condition Min. Typ. Max.
AA-AB32131 - 4V - 12V
Supply Voltage AA-AB32131
AA-AB32133
- 2.5V - 4.5
DC12V, NO load - 100mA -
AA-AB32131
MUTE=0 - 10mA 40mA
2AA batt, NO load - 20mA -
Quiescent
Current
AA-AB32133
MUTE=0 - 10mA 20mA
Signal/Noise Ratio - - 85dB -
Input Sensitivity A=0dB - 0.720V -
RL=4 Ω , Pout=1W - 0.17 % -
THD+N*
RL=8 Ω , Pout=0.5W - 0.19 % -
Frequency Range - 20HZ to 20KHz (±3dB)
RL=4 Ω , Pout=2.6W - 88% -
Efficiency
RL=8 Ω , Pout=1.5W - 85% -
RL=4 Ω , f=1000Hz - 1.5W -
THD+N<1%
RL=8 Ω , f=1000Hz - 1.0W -
RL=4 Ω , f=1000Hz - 2.0W -
Output
Power
THD+N<10%
RL=8 Ω , f=1000Hz - 1.2W -
Input Impedance - - 60K -
Minimum Load - 3.2ohm - -
High-level input
voltage
- 1.2V - - SHUD, UP,
DOWM,
MUTE*
Low-level input
voltage
- - - 0.5V
Channel Separation* Po=1W, RL=4ohm 60dB 80dB -
AA-AB32131&AA-AB32133_Ver1.0_Page 15