Sanyo LA4550 Specifications

Ordering number:ENN1718B

Monolithic Linear IC

LA4550

2-Channel AF Power Amplifier

for Radio, Tape Recorder Use

•
• On
•
•
(9
•
• Soft
•
•
•
	nit
Max	V
Allo	W
Ope
Sto
* With
	nit
Rec	V
Rec
Ope	V

SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

21800TN (KT)/O147KI/6215MW, TS No.1718–1/9

LA4550

Operating Characteristics at Ta = 25˚C, VCC=9V, f=1kHz, Rg=600Ω , RL=4Ω , ( ) : RL=8Ω

,

See specified Test Circuit.

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Qu

mA

mA

Vo

dB

Vo

dB

W

Ou

W

W

W

To

%

Inp

kΩ

Ou

mV

mV

Rip

dB

Cr

dB

No.1718–2/9

LA4550

Sample Printed Circuit Pattern Cu foil-reduced board

[BTL

[BTL

C1
			fixed
C3			value
	lowers the output at low frequencies. A capacitor value of 47 F or more is required.

C5 (C6) : Oscillation blocking capacitor. Use a polyester film capacitor that is good in high frequency response and temperature characteristic. The use of an electrolytic capacitor, ceramic capacitor may cause oscillation to occur at low temperatures.

Continued on next page.

No.1718–3/9