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參數(shù)資料
| 型號(hào)： | AN12941A |
| 廠商： | PANASONIC CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | The AN12941A is an amplifier IC for stereo speakers which can output 1 W by 8 Ohm or 2 W by 4 Ohm |
| 中文描述： | 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO56 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, HSOP-56 |
| 文件頁數(shù)： | 24/41頁 |
| 文件大?。?/td> | 5959K |
| 代理商： | AN12941A |
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AN
12941
A
24
SDC
00056
AEB
■
Application Notes (continued)
6
. Control order at power supply on/off chcange (continued)
Power supply off (continued)
2
) Control timing
V
CC_
SP (Pin 28, pin 29)
V
CC
(Pin 1)
Standby control (Pin 5)
Speaker pawer save control
(Pin 35)
Speaker pawer save control on
(Control voltage:
Change high to low)
Standby control on
(Control voltage:
Change high to low)
Power supply off
Time difference would not
cause any abnormality at
V
CC_
SP and V
CC
atart down
Time difference:
Equal to or more than 100 msec
Time difference:
Equal to or more than 100 msec
After power supply start up (Usual operating condition)
Shock noise is likely to occur if you switch a standby control without applying a speaker power save.
Therefore, do not forget to apply speaker save before switching to standby control.
7
. Power dissipation of package HSOP
056
-P-
0300
A
P
D
T
a
P
D
0.000
1.000
2.000
1.572
3.000
4.000
5.000
4.280
0
25
150
125
Ambient temperature T
a
(°C)
50
75
100
Mounted on stndard board
(50
×
50
×
0.8 mm
3
)
R
th(j-a)
= 79.5°C/W
Mounted on four layers of
stndard board
(50
×
50
×
0.8 mm
3
)
R
th(j-a)
= 29.2°C/W
Independent IC
without a heat sink
R
th( j-a)
= 144.9°C/W
0.862
Note) The above characteristic is a reference value in case of design and is not a guarantee value.
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