KA2201 1.2W Audio Power Amplifier

Features

• Wide operating supply voltage : 3V ~ 14V


• Output power : P_o = 1.2W_(Typ) (V_CC = 9V, R_L = 8)

Pin layout

Absolute maximum ratings

Characteristic	Symbol	Value	Unit
Supply voltage	VCC	16	V
Output peak current	IPK	1.5	A
Power dissipation	PD	1.25	W
Operating temperature	TOPR	-20 ~ +70	oC
Storage temperature	TSTG	-40 ~ +150	oC

Electrical characteristics

Characteristic	Symbol	Test condition	Min	Typ	Max	Unit
Quiescent circuit current	ICCQ	Vi = 0		4	12	mA
Output power	Po	VCC = 6V, RL = 4, THD = 10%		0.75		W
		VCC = 6V, RL = 8, THD = 10%	0.4	0.5
		VCC = 9V, RL = 4, THD = 10%		1.6
		VCC = 9V, RL = 8, THD = 10%	0.9	1.2
		VCC = 12V, RL = 8, THD = 10%		2
Total harmonic distortion	THD	Po = 500mW		0.3	1.0	%
Open-loop voltage gain	GVO	RF = 0		75		dB
Closed-loop voltage gain	GVC	RF = 120	33	36	39	dB
Output noise voltage	VNO	RG = 10K BW(-3dB) = 50Hz ~ 20KHz		0.3	1.0	mV

Test circuit

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