digital audio amplifier module

Company Profile

Location:	Dongguan, Guangdong, China (Mainland)
Business Type:	Manufacturer

Product Description

1. Introduce

SL-A03 is the new design, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple. High Power efficiency,Less heat.

2. Aplication

·Power speaker

·Digital product

·Computer and laptop

·Portable product

·Wireless product

·TV, DVD and the other product

3. Feature

·Output Power: Maximum 16W at RL=4Ω,VCC=15V,BTL

Rating 10W at RL=4Ω,VCC=12V,BTL

·Power efficiency is up to 82%

·Low Working Voltage Down To 5V, High Working Voltage up To 15V

·Thermal Protection function

·Output Pin Short-Circuit Protection

·Low Supply Current (10mA Typical at 12V)

·Low Current in Shutdown Mode (<1µA Typical)

·Separate VCC & PVCC

·Class-D stereo audio design

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

·IC decal is TQFP48

·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 47mm×40mm

4. Parameter

PARAMETER	Test Condition		MIN TYP MAX	UNIT
PO(MAX) Continuous output power (r.m.s)at 1kHz	RL=4Ω	15V	Max 16	W
		12V	10
		9V	6.22
	RL=6Ω	15V	MAX 14.5	W
		12V	9.3
		9V	5.34
	RL=8Ω	15V	12.7	W
		12V	8
		9V	4.58
	RL=16Ω	15V	7.65	W
		12V	4.8
		9V	2.73
Output noise			-70	dBV
S/N	Maximum output at THD+N<0.5%, f=1kHz		85	dB
Crosstalk between outputs	VCC=12V, PO=1W RL=8Ω		-60	dB
Working Voltage			5 12 15	V

GAIN	Voltage Gain at Vcc=15V	Gain0=High, Gain1=High	34	dB
		Gain0=Low, Gain1=High	28
		Gain0=High, Gain1=Low	22
		Gain0=Low, Gain1=Low	18
	Voltage Gain at Vcc=12V	Gain0=High, Gain1=High	32
		Gain0=Low, Gain1=High	26
		Gain0=High, Gain1=Low	20
		Gain0=Low, Gain1=Low	16
	Voltage Gain at Vcc=9V	Gain0=High, Gain1=High	30
		Gain0=Low, Gain1=High	25
		Gain0=High, Gain1=Low	19
		Gain0=Low, Gain1=Low	14