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Sanyo
Sanyo

LA4440 Datasheet

6W 2-Channel / Bridge 19W typ Power Amplifier


LA4440 Datasheet Preview


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
1
1.99 2.54
0.6 1.4
4.5
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
Conditions
VCC max1
VCC max2
VCC(surge)
Pd max
θj-c
Quiescent (t=30s)
Operating
t0.2s
Tc=75˚C, See Pd max – Ta characteristic
Junction-to-case
Topr
Tstg
Recommended Operating Conditions at Ta = 25˚C
Supply voltage
Parameter
Load resistance
Symbol
VCC
RL
Stereo
Bridge
Conditions
Ratings
25
18
50
15
3
–20 to +75
–40 to +150
Unit
V
V
V
W
˚C/W
˚C
˚C
Ratings
13.2
2 to 8
4 to 8
Unit
V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high 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 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
21500TH (KT)/90196RM/33194HO/8064KI/3233KI/O070KI, TS No.750–1/13
Page 1

LA4440
Operating Characteristics at Ta = 25˚C, VCC=13.2V, RL=4, f=1kHz, Rg=600, 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
Symbol
Conditions
Icco
VG
PO
THD
ri
VNO
Rr
Ch sep
ATT
VG
THD=10%, Stereo
THD=10%, Bridge
PO=1W
Rg=0
Rg=10k
VR=200mV, fR=100Hz, Rg=0
VO=0dBm, Rg=10k
VO=0dBm, VM=9V
Ratings
min typ
100
49.5 51.5
5.0 6.0
19
0.1
30k
0.6
1.0
46
45 55
40
max
200
53.5
1.0
1.0
2.0
2
Unit
mA
dB
W
W
%
mV
mV
dB
dB
dB
dB
Equivalent Circuit Block Diagram
No.750–2/13
Page 2

Sample Application Circuit 1. Stereo use
LA4440
Sample Application Circuit 2. Bridge amplifier 1
No.750–3/13
Page 3
Part Number LA4440
Manufactur Sanyo
Description 6W 2-Channel / Bridge 19W typ Power Amplifier
Total Page 13 Pages
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