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PDF LA4627 Data sheet ( Hoja de datos )
| Número de pieza | LA4627 | |
| Descripción | Two-Channel Audio Frequency Power Amplifier | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : ENN6501
LA4627
Monolithic Linear IC
LA4627
Two-Channel Audio Frequency Power Amplifier
Overview
The LA4627 is a 2-channel power amplifier de-
veloped for use in radio/cassette player products.
The LA4627 reduces the number of required ex-
ternal components by 50% over earlier products
(BS/NF capacitors and oscillation prevention RC
components) and thus can contribute significantly
to space saving in end products.
Package Dimensions
unit : mm
3022B-DIP12F
[LA4627]
19.0
12
7
Features
• Provided in the DIP12F.
• PO :2.0 W ! 2 (VCC = 9 V, RL = 4 Ω)
2.5 W ! 2 (VCC = 9 V, RL = 3 Ω)
• Standby function built in
(supports direct microcontroller control).
• Built-in thermal protection circuit.
1 5.12 6
3.6 1.25
0.5
(0.61) 2.54
1.3
3.81
SANYO : DIP12F(300mil)
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Conditions
Rg = 0
When mounted on the Sanyo-recommended PCB
Ratings
22
4.0
--25 to +75
--55 to +150
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Recommended load resistance
Operating voltage range
Recommended operating load resistance
Symbol
VCC
RL
VCC op
RL op
Conditions
Under conditions such that the maximum ratings are not exceeded.
Ratings
9
3
5.0 to 20
2.7 to 8.0
Unit
V
W
°C
°C
Unit
V
Ω
V
Ω
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
42000 RM (IM) No.6501-1/6
1 page  
LA4627
10 VCC -- PO
f = 1 kHz
VCC -- ICCO
140
Rg = 0
THD = 10 %
120
RL = 3 Ω
8
=4Ω
100
RL
6
80
4
=3Ω
RL
=8Ω
RL
60
40
2
20
0
4 6 8 10 12 14 16 18 20
Supply voltage, VCC -- V
ILA00065
THD -- f
10
7 VCC = 9 V
5 RL = 3 Ω
3 VO = 1 Vrms
2
1.0
7
5
3
2
0.1
7
5
3
2
0.01
10
0
--10
--20
2 3 5 7100
2 3 5 7 1k 2 3 5 7 10k 2 3 5 7100k
Frequency, f -- Hz
ILA00067
CHsep -- f
VCC = 9 V
RL = 3 Ω
VO = 0 dBm
Rg = 10 kΩ
--30
--40
--50
--60 CHC2H¨1¨1 2
--70
--80
10
2
0
2 3 5 7100 2 3 5 7 1k 2 3 5 7 10k 2 3 5 7100k
Frequency, f -- Hz
ILA00069
f -- Response
VCC = 9 V
RL = 3 Ω
VO = 0 dBm
VG = 45.5 dB
--2
--4
--6
--8
--10
10
2 3 5 7100
2 3 5 7 1k 2 3 5 710k
Frequency, f -- Hz
2 3 5 7100k
ILA00071
0
0
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
--10
--20
24
2
6 8 10 12 14 16 18 20 22 24
Supply voltage, VCC -- V
THD -- PO
ILA00066
VCC = 9 V
RL = 3 Ω
f = 10 kHz
3 5 7 1.0
23
Output power, PO -- W
SVRR -- fR
5 7 10
ILA00068
VCC = 9 V
RL = 3 Ω
Rg = 0
Vr = 150 mVrms
DIN AUDIO
--30
--40
--50
--60
--70
10
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1k
2 3 5 7 100 2 3 5 7 1k 2 3 5 7 10k
Ripple frequency, fR -- Hz
VNO -- Rg
ILA00070
VCC = 9 V
RL = 3 Ω
DIN AUDIO
23
5 7 10k
23
5 7 100k
Signal source resistor, Rg -- Ω ILA00072
No.6501-5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LA4627.PDF ] | |
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