Amplificador - La440

Ordering number:ENN750F

Monolithic Linear IC

LA4440
6W 2-Channel, Bridge 19W typ Power Amplifier
Features
• Built-in 2 channels (dual) enabling use in stereo and bridge amplifier applications. Dual : 6W×2 (typ.) Bridge : 19W (typ.) • Minimun number of external parts required. • Small pop noise at the time of power supply ON/OFF and good starting balance. • Good ripple rejection : 46dB (typ.) •Good channel separation. • Small residual noise (Rg=0). • Low distortion over a wide range from low frequencies to high frequencies. • Easy to design radiator fin. • Built-in audio muting function. • Built-in protectors. a. Thermal protector b. Overvoltage, surge voltage protector c. Pin-to-pin short protector

Package Dimensions
unit:mm 3023A-SIP14H
[LA4440]
37.0 30.0 4.5

15.0max

13.8

R1.70.8min 8.0

6.0

1 1.99 2.54 0.6 1.4

14 0.4 2.25

SANYO : SIP14H

Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter Maximum supply voltage Surge supply voltage Allowable power dissipation Termal resistance Operating temperature Storage temperature Symbol VCC max1 VCC max2
VCC(surge)

Conditions Quiescent (t=30s) Operating t≤0.2s Tc=75˚C, See Pd max – Ta characteristic Junction-to-caseRatings 25 18 50 15 3 –20 to +75 –40 to +150

11.0

Unit V V V W ˚C/W ˚C ˚C

Pd max θj-c Topr Tstg

Recommended Operating Conditions at Ta = 25˚C
Parameter Supply voltage Load resistance Symbol VCC RL Stereo Bridge Conditions Ratings 13.2 2 to 8 4 to 8 Unit V Ω Ω

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremelyhigh levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures thatresult 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
21500TH(KT)/90196RM/33194HO/8064KI/3233KI/O070KI, TS No.750–1/13

LA4440
Operating Characteristics at Ta = 25˚C, VCC=13.2V, RL=4Ω, f=1kHz, Rg=600Ω, with 100×100×1.5mm3 Al fin, See specified Test Circuit.
Parameter Quiescent current Voltage gain Output power Total harmonic distortion Input resistance Output noise voltage Ripple rejection ratio Channel separation Muting attenuation Gain difference between channels SymbolIcco VG PO THD ri VNO Rr Ch sep ATT ∆VG Rg=0 Rg=10kΩ VR=200mV, fR=100Hz, Rg=0 VO=0dBm, Rg=10kΩ VO=0dBm, VM=9V 45 THD=10%, Stereo THD=10%, Bridge PO=1W 49.5 5.0 Conditions Ratings min typ 100 51.5 6.0 19 0.1 30k 0.6 1.0 46 55 40 2 1.0 2.0 1.0 max 200 53.5 Unit mA dB W W % Ω mV mV dB dB dB dB

Equivalent Circuit Block Diagram

No.750–2/13

LA4440
Sample Application Circuit 1. Stereo use

SampleApplication Circuit 2. Bridge amplifier 1

No.750–3/13

LA4440
Sample Application Circuit 3. Bridge amplifier 2

Description of External Parts C1 (C2) · Feedback capacitor : The low cutoff frequency depends on this capacitor. If the capacitance value is increased, the starting time is delayed. C3 (C4) · Bootstrap capacitor : If the capacitance value is decreased, the output at low frequencies goeslower. C5 (C6) · Oscillation preventing capacitor : Polyester film capacitor, being good in temperature characteristic, frequency characteristic, is used. The capacitance value can be reduced to 0.047µF depending on the stability of the board. C7 (C8) · Output capacitor : The low cutoff frequency depends on this capacitor. At the bridge amplifier mode, the output capacitor is generally connected....