Class D Stereo Amplifier Board 2*25W @4ohm

• Type: Rigid Circuit Board
• Dielectric: FR-4
• Material: Fiberglass Epoxy
• Application: Consumer Electronics
• Flame Retardant Properties: V1
• Mechanical Rigid: Rigid
• Model NO.: SL-A09S
• Processing Technology: Electrolytic Foil
• Base Material: Copper
• Insulation Materials: Organic Resin
• Brand: Recon
• Output Power: Max 50W
• Working Voltage: DC22V
• Size: 72mm*48mm
• Transport Package: Carton
• Specification: 72mm*48mm
• Trademark: recon
• Origin: China
• Production Capacity: 80000/Week

Product Description

1. Introduce
digital amplifier module,class D audio amplifier module

 

SL-A09S is the new class D amplifier module,which is high End design, it is new product of digital amplifier board,use SMT decal of main IC,connection is very simple.High Power efficiency,Less heat.High Performance with heatsink.

 2. Application

 Power speaker
 LCD monitor
Computer and laptop monitor

 

3. Feature

 

·        2*25W output power in stereo mode(8Ω THD=10%)

·        High efficiency: Up to 90%

·        Filterless class D amplifier

·        Programmable gain(+22dB, +29.5dB, +36dB)

·        High PSRR(90dB at 1KHz)

·        Shutdown and mute control

·        Integrated click-and-pop suppression

·        Low 0.2% THD+N

·        Current limit and thermal protection

·        Available in thermally efficient, space-saving package: 56 pin TQFN

            The dimension is only 72mm*48mm
 

4. Parameter

PARAMETER	Test Condition		MIN TYP MAX	UNIT
PO(MAX) Continuous output power (r.m.s)at 1kHz		PVDD=20V RL=8Ω	25	W
		PVDD=22V RL=8Ω	29
		PVDD=12V,RL=4Ω	15
Output noise			-70	dBV
S/N	Maximum output at THD+N<0.5%, f=1kHz		91	dB
Working Voltage			9                   22	V