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PDF LA4276 Data sheet ( Hoja de datos )
| Número de pieza | LA4276 | |
| Descripción | 3 W 2-Channel Power Amplifier | |
| Fabricantes | Sanyo Semicon Device | |
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Ordering number: ENN7094
Monolithic Linear IC
LA4276
3 W 2-Channel Power Amplifier
Overview
The LA4276 is a 3 W 2-channel 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)/LA4267 (5 W)/
4268 (10 W) and the LA4277 (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: 3 W × 2(VCC = 16 V/RL = 8 Ω).
Package Dimensions
unit: mm
3248-SIP10HD
[LA4276]
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
Allowable power dissipation
Thermal resistance
Operating temperature
Storage temperature
Symbol
VCC
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
Infinite heat sink
Conditions
Conditions
Range does not exceed Pd
10
1.15
0.4
1.2
SANYO: SIP10HD
Ratings
25
15.0
3.0
–20 to +75
–40 to +150
Unit
V
W
°C/W
°C
°C
Ratings
16
8
10 to 24
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
41202RM (II) No. 7094-1/6
1 page  
LA4276
ICCO – VCC
50
Rg = 0
45
40
35
30
25
20
15
10
5
0
0 5 10 15 20 25
Supply voltage, VCC — V
3
2 VCC = 16 V
RL = 8 Ω
10
THD – PO
7
5
3
2
30 35
ILA00860
1.0
7
5
f = 10 kHz
3
2
0.1
7
5
3
0.1
2
1
VCC = 16 V
RL = 8 Ω
0 VO = 0
f = 1 kHz
f = 100 Hz
3 5 7 1.0
2
Output power, PO — W
Response – f
35
ILA00862
--1
--2
--3
--4
--5
10 2 3 5 7 100 2 3 5 7 1 k 2 3 5 710 k 2 3 5 7100 k
Frequency, f — Hz
ILA00864
VNO – Rg
0.5
VCC = 16 V
RL = 8 Ω
DIN Audio
0.4
0.3
0.2
0.1
0
1k
23
5 7 10 k
23
5 7 100 k
Input signal source resistance, Rg — Ω ILA00866
10
RL = 8 Ω
f = 1 kHz
8
PO – VCC
6
4
2
0
6 8 10 12 14 16 18 20 22
Supply voltage, VCC — V
2
VCC = 16 V
RL = 8 Ω
1.0 PO = 0.5 W
THD – f
7
5
24 26
ILA00861
3
2
0.1
7
5
3
2
10 2 3 5 7 100
80
VCC = 16 V
RL = 8 Ω
Rg = 10 kΩ
70 VO = 0
2 3 5 71k 2 3
Frequency, f — Hz
CT – f
5 710 k 2 3 5
ILA00863
CH2→CH1
60
CH1→CH2
50
40
30
10 2 3 5 7 100 2 3 5 7 1 k 2 3 5 710 k 2 3 5 7100 k
Frequency, f — Hz
ILA00865
3
2 VCC = 16 V
RL = 8 Ω
10 fr = 100 Hz
Vro – Vr
7
5
3
2
1.0
7
5
3
2
0.1
3
5 7 0.1
23
5 7 1.0
Ripple voltage, Vr — V
ILA00867
No. 7094-5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LA4276.PDF ] | |
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