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PDF LA4282 Data sheet ( Hoja de datos )
| Número de pieza | LA4282 | |
| Descripción | Audio Power Amplifier | |
| Fabricantes | ON Semiconductor | |
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LA4282
Audio Power Amplifier
Class AB, 10W × 2-Channel
Overview
The LA4282 is the IC for 2-channel SE power amplifier that is developed for
TVs and monitors audio system. High power and low distortion are realized.
This IC incorporate various functions (muting function, and various protection
circuit) necessary for audio system.
Features
High-power 2-channel AF power amplifier
Low distortion
Minimum number of external parts required (no bootstrap capacitor
required)
Low pop noise at the time of power supply ON/OFF
Good ripple rejection (58dB typ)
Wide operating voltage range
External muting available
On-chip protector against abnormality (thermal shutdown, overvoltage)
Typical Applications
Home Stereo
TV
SPECIFICATION
ABSOLUTE MAXIMUM RATINGS at Ta = 25C (Note 1)
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
Maximum output current
Allowable power dissipation
VCC max
IO peak
Pd max
Quiescent
With heat sink
45 V
4A
25 W
Operating temperature
Topr
20 to 75
C
Storage temperature
Tstg
40 to 150
C
1. Stresses exceeding those listed in the Absolute Maximum Rating 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.
RECOMMENDED OPERATING RANGE at Ta = 25C (Note 2)
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
32 V
VCC op
10 to 40
V
Recommended load resistance
RL
8
2. 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.
www.onsemi.com
SIP12 26.8 mm x 11.8 mm
GENERIC
MARKING DIAGRAM*
XXXXXXXXXX
YMDDD
XXXXX = Specific Device Code
Y = Year
M = Month
DDD = Additional Traceability Data
ORDERING INFORMATION
Ordering Code:
LA4282-E
Package
SIP12
(Pb-Free / Halogen Free)
Shipping (Qty / packing)
20 / Fan-Fold
† For information on tape and reel specifications,
including part orientation and tape sizes, please refer
to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
http://www.onsemi.com/pub_link/Collateral/BRD8011-D.PDF
© Semiconductor Components Industries, LLC, 2015
July 2015- Rev. 0
1
Publication Order Number:
LA4282/D
1 page  
LA4282
18 RL = 8Ω
16 f = 1kHz
Dual Operation
14
12
PO -- VCC
1%
10
8
6
4
2
00 10 20 30 40 50
16
Supply
voltage,
PO --
Vf CC
--
V
JK428204
14 THD = 10%
12 3%
10 1%
8
6
4
2
VCC = 32V
RL = 8Ω
010D2ual3
Operation
5 7 100
2
3
5 7 1k 2 3
5 7 10k 2 3
5 7 100k
Frequency, f -- Hz
JK428206
40
VCC = 32V
VO -- VIN
20
0
f = 1kHz
Mute OFF (RL= 8Ω)
THD = 10%
-20
-40
-60 Noise level
Mute ON
-80 RL = 100Ω
-100
-120 -70
RL = 8Ω
-60 -50
-40
-30
-20
2 Input vToHltaDge,-V- IPNO-- dBm
VCC = 32V
10 RL = 8Ω
Dual Operation
5
3
2
1.0
-10 0
JK428208
5
3 f = 10kHz
2
0.1
5
3
2
0.01
0.1
1kHz
10Hz
23
5 7 1.0
2 3 5 7 10
23
Output power, PO -- W
JK428210
14
RL = 4Ω
f = 1kHz
12 Dual Operation
PO -- VCC
10
8
6
4
2
00 10 20 30 40
16
Supply voltage, VCC -- V
PO -- f
JK428205
14
12 THD = 3%
10 1%
8
6
4
VCC = 32V
2 RV2LG==83Ω4dΒ
010D2ual3
Operation
5 7 100
2
3
5 7 1k
23
5 7 10k 2 3
5 7 100k
5
3 f = 1kHz
Frequency, f -- Hz
PO -- VIN
JK428207
VCC = 35V
32V
30V
10
5 THD = 10%
3
2
1.0
5
3
2
0.1
53 5 7 10
2 3 5 7 100 2
Input voltage, VIN -- mV
THD -- f
5 VCC = 32V
3 RL = 8Ω
2 Dual Operation
3
5 7 1000
JK428209
1.0
7
5
3
2
0.1 PO = 4W
7
5 2W
3
2
10
23
5 100
23
5
1k
2 3 5 10k 2 3 5 100k
Frequency, f -- Hz
JK428211
www.onsemi.com
5
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| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LA4282.PDF ] | |
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