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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(yè)數(shù)： | 13/41頁(yè) |
| 文件大?。?/td> | 5959K |
| 代理商： | AN12941A |
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AN
12941
A
SDC
00056
AEB
13
■
Terminal Equivalent Circuits (continued)
Pin No.
Equivalent Circuits
Description
Corrugation
and Voltage
5
90 k
270 k
5
Standby on/off changing SW:
It changes whether or not it makes
this IC an operation condition or
whether or not it makes it a standby.
High: The operation condition
Low: Standby
In that the power changes a connected
condition to the standby, the circuit
electric current can be almost made
0
.
The entry impedance: About
80
k
Open voltage
DC
0
V
56
25.2 k
25.2 k
V
REF
(1.5 V)
56
Beep input:
It is the entry pin to enter beep
signal. The same signal is entered
both by L-channel and R-channel
with the audio signal mix amplifier
of the following paragraph. Also, it
has the function which is the same
as the PCcard signal entry by pin
4
,
the modem signal entry by pin
54
completely.
The entry impedance: About
45
k
DC
1
.
5
V
AC
22
dBV
53
180 k
180 k
V
REG
(3.0 V)
53
V
REF
:
With the pin to fix the bias voltage
(the operation point) of the system
which the inner power (V
REG
) works,
it becomes
1
/
2
V
REG
(V). To remove
noise, it connects a condenser with
the interval of between pin
53
and
GND.
The entry impedance: About
80
k
DC
1
.
5
V
54
25.2 k
25.2 k
V
REF
(1.5 V)
54
V
REG
(3.0 V)
Modem input:
It is the entry pin to enter a signal
from the modem. With the audio
signal mix amplifier of the following
paragraph, the same signal is entered
both by L-channel and R-channel.
Also, it has the function which is the
same as the PCcard signal entry by
pin
4
, the beep signal entry by pin
56
completely.
The entry impedance: About
45
k
DC
1
.
5
V
AC
22
dBV
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PDF描述 |
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| AN12942B | Audio signal processing IC for notebook PC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AN12942B | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Audio signal processing IC for notebook PC |
| AN12943A | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Audio signal processing IC for notebook PC |
| AN12948A | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Audio Power IC for Note PC |
| AN12959A | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:I2C bus control compatible AGC built-in stereo BTL amplifier IC |
| AN12969A | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:I2C bus control compatible AGC built-in stereo BTL amplifier IC |
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