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Número de pieza | LA4267 | |
Descripción | 5 W Monaural Power Amplifier | |
Fabricantes | Sanyo Semicon Device | |
Logotipo | ||
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Monolithic Linear IC
LA4267
5 W Monaural Power Amplifier
Overview
The LA4267 is a 5 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)/4268 (10 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: 5 W (VCC = 20 V/RL = 8 Ω).
Package Dimensions
unit: mm
3248
[LA4267]
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: SIP10H-D
Ratings
35
2.5
15.0
3.0
–20 to +75
–40 to +150
Unit
V
A
W
°C/W
°C
°C
Ratings
20
8
10 to 33
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. 7092-1/6
1 page LA4267
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 = 20 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
Frequency, f — Hz
Response – f
2 3 5 7100 k
ILA00846
RL = 8 Ω
VCC = 20 V
0
--1
--2
--3
--4
--5
10
1.0
7
2 3 5 7100
2 3 5 7 1 k 2 3 5 710 k
Frequency, f — Hz
Vro – Vr
2 3 5 7100 k
ILA00848
Rg = 0
fr = 100 Hz
VCC = 20 V
5
3
2
0.1
3
5 7 0.1
23
5 7 1.0
Ripple voltage, Vr — V
ILA00850
16
RL = 8 Ω
f = 1 kHz
14 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 = 20 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
ILA00847
RL = 8 Ω
DIN Audio
VCC = 20 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 ILA00849
Pd – PO
5
VCC = 20 V
RL = 8 Ω
f = 1 kHz
4 Pd = VCC x ICC — PO
3
2
1
0
0.1
23
5 7 1.0
23
5 7 10
Output power, PO — W
ILA00851
No. 7091-5/6
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet LA4267.PDF ] |
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