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PDF LA4268 Data sheet ( Hoja de datos )
| Número de pieza | LA4268 | |
| Descripción | 10 W Monaural Power Amplifier | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number: ENN7093
Monolithic Linear IC
LA4268
10 W Monaural Power Amplifier
Overview
The LA4268 is a 10 W power amplifier intended for
televisions.
This IC has a series of pin compatible monaural and 2-
channel power amplifiers, thus allows the end product to
use a common circuit boad.
Features
• Television audio output.
• Pin compatible with the LA4266 (3 W)/4267 (5 W) and
the LA4276 (3 W × 2)/4277 (5 W × 2)/4278(10 W × 2).
• Package: SIP-10HD (2.54 mm pitch, straight pins).
• Thermal protection circuit and overvoltage protection
circuit on chip.
• Output power: 10 W (VCC = 28 V/RL = 8 Ω).
Package Dimensions
unit: mm
3248-SIP10HD
[LA4268]
C0.7
25.6
3.4 (10.0)
2.4
2.0
1
1.37 2.54
0.5
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Allowable power dissipation
Thermal resistance
Operating temperature
Storage temperature
Symbol
VCC
IO peak
Pd max
θ j-c
Topr
Tstg
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Load resistance
Operating supply voltage range
Symbol
VCC
RL
VCC op
Rg = 0
Conditions
Infinite heat sink
Conditions
Range does not exceed Pd
10
1.15
0.4
1.2
SANYO: SIP10HD
Ratings
35
2.5
15.0
3.0
–20 to +75
–40 to +150
Unit
V
A
W
°C/W
°C
°C
Ratings
28
8
10 to 34
Unit
V
Ω
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
32902RM (II) No. 7093-1/6
1 page  
LA4268
ICCO – VCC
40
Rg = 0
35 RL = 8 Ω
30
25
20
15
10
5
0
0 5 10 15 20 25 30 35 40 45
Supply voltage, VCC — V
ILA00844
THD – f
10
7 RL = 8 Ω
5 PO = 0.5 W
3 VCC = 28 V
2
1.0
7
5
3
2
0.1
7
5
3
2
0.01
10
2
1
2 3 5 7100
2 3 5 7 1 k 2 3 5 710 k 2 3 5 7100 k
Frequency, f — Hz
ILA00854
Response – f
RL = 8 Ω
VCC = 28 V
0
--1
--2
--3
--4
--5
10 2 3 5 7100
1.0
Rg = 0
7
fr = 100 Hz
VCC = 28 V
2 3 5 7 1 k 2 3 5 710 k
Frequency, f — Hz
Vro – Vr
2 3 5 7100 k
ILA00856
5
3
2
0.1
3
5 7 0.1
23
5 7 1.0
Ripple voltage, Vr — V
ILA00858
16
RL = 8 Ω
14 f= 1 kHz
THD = 10%
12
PO – VCC
10
8
6
4
2
0
8
100
7
5
3
2
10
7
5
3
2
1.0
7
5
3
2
0.1
7
5
3
2
0.01
0.1
0.5
0.4
12 16 20 24 28 32 36
Supply voltage, VCC — V
ILA00845
THD – PO
VCC = 28 V
RL = 8 Ω
f = 10 kHz
f = 1 kHz
f = 100 Hz
23
5 7 1.0
23
Output power, PO — W
VNO – Rg
5 7 10
ILA00855
RL = 8 Ω
DIN Audio
VCC = 28 V
0.3
0.2
0.1
0
10 2 3 5 7100 2 3 5 7 1 k 2 3 5 710 k 2 3 5 7100 k
Input signal source resistance, Rg — W ILA00857
Pd – PO
7
VCC = 28 V
6
RL = 8 Ω
f = 1 kHz
Pd = VCC x ICC — PO
5
4
3
2
1
0
0.1
23
5 7 1.0
23
5 7 10
Output power, PO — W
ILA00859
No. 7091-5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LA4268.PDF ] | |
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