2*2W @4
Ω
PAM8803 Class-D Audio Amplifier Board
FIGURE 1-2 OVERVIEW OF AA-AB32133
FIGURE 1-1 ACCESSORY
Note:
All the diagrams in this manual are for reference only.
1.2 Features
y
A perfect “Class D” architecture
y
Fully-bridged stereo output
y
power
supply:
AA-AB32131:
Wide power supply range: DC4.5V to12V via a power port
Two to three AA batteries
or
DC2.5V to 4.0V via a terminal block
AA-AB32133:
Two to three AA batteries or DC2.5V to 4.0V via a terminal block
y
Two kinds of input:
Line level input via 2510 connector
Audio input via 3.5 headphone jack
y
Frequency response: 20Hz to 20KHz(
±
3dB)
y
Signal/Noise Ratio: 85dB (f=22 to 22KHz, THD=1%)
y
High Output Power
1.2W @ 8
Ω
, < 10.0% THD+N
2.0W @ 4
Ω
, < 10.0% THD+N
y
High
Efficiency
85% @ 1.2W 8
Ω
©
2004-2010 Sure Electronics Inc
AA-AB32131&AA-AB32133_Ver1.0_Page 2