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PDF LA47516 Data sheet ( Hoja de datos )
| Número de pieza | LA47516 | |
| Descripción | Four-Channel 50W BTL Power Amplifier | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : EN8307
LA47516
Monolithic Linear IC
Four-Channel 50W BTL Power Amplifier
for Car Stereo Systems
Overview
The LA47516 is a four-channel 50W BTL power amplifier IC for car stereo systems. The output stage uses a pure
complementary format with a V-PNP transistor on the upper side and an NPN transistor on the lower side, making it
possible to obtain high power output and excellent sound quality.
This IC features an extensive set of functions required in car audio systems, including a standby switch, muting function,
and a full complement of protection circuits.
Features
• Maximum output : 50W×4 (at VCC = 14.4V, RL = 4Ω)
• Very low external component count
Functions
• On-chip offset detector
• Electrically driven mirror noise countermeasure pin provided
• Mute function
• Standby switch
• Full compliment of protection circuits (including shorting to the power supply, shorting to ground, load short-circuit,
overvoltage, thermal protection)
Usage Notes
Note 1 : This IC must not be connected incorrectly. Incorrect connection can lead to damage to or destruction of the IC.
Note 2 : The protection circuits can temporarily prevent damage to the IC from abnormal states such as incorrect output line connections,
but they cannot guarantee that the IC will not be destroyed.
In particular, these protection circuits do not function outside the guaranteed operating ranges, and incorrect connection of the
outputs can lead to destruction of the IC.
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Symbol
VCC max1
VCC max2
Conditions
No signal, t = 1 minute
With signal
Ratings
Unit
26 V
18 V
Continued on next page.
Any and all SANYO Semiconductor 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 Semiconductor representative
nearest you before usingany SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor 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 Semiconductor
products described or contained herein.
N1506 MS PC B8-8425 No.8307-1/7
1 page  
LA47516
ICCO -- VCC
350
Without a heat sink
300
RL = Open
Rg = 0Ω
250
4
3
VN -- VCC
RL = Open
Rg = 0Ω
200
2
150
100
50
0
6 8 10 12 14 16 18 20
70
f = 1kHz
Supply voltage, VCC – V
PO -- VCC
60
RL = 4Ω
Vi = 2.5Vrms
50
40
1
0
6 8 10 12 14 16 18 20
50
f = 1kHz
Supply voltage, VCC – V
PO -- VCC
RL = 4Ω
THD = 10%
40
30
30
All channels are similar
20
10
0
8 9 10 11 12 13 14 15 16 17 18
Supply voltage, VCC – V
THD -- PO
10
7 VCC = 14.4V
5 RL = 4Ω
3 f = 1kHz
2 VG = 32dB
1.0
7
5
3 CH1
2 CH2
0.1
7
CH3
CH4
5
3
2
0.01
0.1
2 3 5 7 1.0 2 3 5 7 10
Output power, PO – W
THD -- PO
10
7
VCC = 14.4V
RL = 4Ω
5 f = 10kHz
VG = 32dB
3
2
23 5
1.0 CH4
CH1
7
5 CH2
3 CH3
2
0.1
0.1
2 3 5 7 1.0 2 3 5 7 10
Output power, PO – W
23 5
20
All channels are similar
10
0
8 9 10 11 12 13 14 15 16 17 18
Supply voltage, VCC – V
THD -- PO
10
7 VCC = 14.4V
5 RL = 4Ω
3 f = 100Hz
2 VG = 32dB
1.0
7
5
3
2 CH1
0.1 CH2
7
5
CH3
3 CH4
2
0.01
0.1 2 3 5 7 1.0 2 3 5 7 10
Output power, PO – W
THD -- f
10
7 VCC = 14.4V
5 RL = 4Ω
3 PO = 4W
2 VG = 32dB
23 5
1.0
7
5
3
2
CH1 CH2
0.1
7
5
3
2 CH3 CH4
0.01
100
2 3 5 7 1k 2 3 5 7 10k
Frequency, f – Hz
23
5 7 100k
No.8307-5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet LA47516.PDF ] | |
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