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LA4450 Datenblatt(PDF) 1 Page - ON Semiconductor

Teilenummer LA4450
Bauteilbeschribung  Power Amplifier
Download  8 Pages
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Hersteller  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LA4450 Datenblatt(HTML) 1 Page - ON Semiconductor

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D1912NK Pd B8-0618/91708 MS JK/43098HA(OT)/10794TS/1102 No.4090-1/8
http://onsemi.com
Semiconductor Components Industries, LLC, 2013
July, 2013
ORDERING INFORMATION
See detailed ordering and shipping information on page 8 of this data sheet.
LA4450
Overview
The LA4450 is a single package 2-channel power Amplifier that supports an operating voltage of 26V. It is particularly
well suited for use as the bus and track power IC in car stereo applications. Additionally, since the LA4450 can drive 4
loads, it can be used effectively in high-power high-end products. Furthermore, since it supports a high operating
voltage and has low distortion, it is also optimal for use in TV and home audio products.
Features
 Two channels in a single package
 PO = 12W2 (VCC = 26.4V, RL = 8, THD = 10%)
 PO = 20W2 (VCC = 26.4V, RL = 4, THD = 10%)
 Can drive 4 speakers
 Built-in standby switch
 Minimizes impulse noises
Functions
 Standby switch (active on high (+5V) input)
 On-chip impulse noise protection circuit
 On-chip thermal protection circuit
 On-chip overvoltage and surge protection circuits
Specifications
Maximum Ratings at Ta = 25
C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
Rg = 0 (no signal)
37
V
Maximum output current
IO peak
4A
Allowable power dissipation
Pd max
Infinite heat sink*
25
W
Operating temperature
Topr
35 to 80
C
Storage temperature
Tstg
40 to 150
C
Note : * Set VCC and RL within ranges that do not cause Pd max to exceed 25W.
(When VCC is 37V, RL should be 6 or larger and when VCC is 35V, RL should be 4 or larger.)
Operating Conditions at Ta = 25
C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
26.4
V
Recommended load resistance
RL
8
Operating supply voltage range
VCC op
10 to 30
V
Ordering number : EN4090E
Monolithic Linear IC
2-Channel, 26V, Power Amplifier
for Bus and Track in Car Stereo
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended
Operating Ranges limits may affect device reliability.
SIP14 36.8x13.8 / SIP14H


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