Class D Amplifier Module

· igital product

· Computer and laptop

· Portable product

· Wireless product

· TV, DVD and the other product　

3. Feature

· Output Power: Maximum 22.5W at RL=4Ω, VCC=12V

· Power efficiency is up to 93%

· Low Working Voltage Down To 4V, High Working Voltage up To 14V

· Thermal Protection function　

· Output Pin Short-Circuit Protection　

· Separate VCC & PVCC

· Class-D stereo audio design

· Components use SMT decal, the board dimension is very small

· IC decal is QFN44

· No external heat-sink, Less heat, save heat sink cost

· The current is very small

· The PCB design provides both bead and LC solutions

· The dimension is only 42mm×48mm　

4. Parameter

PARAMETER	Test Condition		MIN TYP MAX	UNIT
PO（MAX） Continuous output power (r.m.s)at 1kHz	RL=4Ω	14V	22.5	W
		12V	17
		5V	3.6
	RL=8Ω	14V	13	W
		12V	10
		5V	1.8
Output noise			-70	dBV
S/N	Maximum output at THD+N＜0.5％, f=1kHz		90	dB
Working Voltage			5 12 14	V