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參數(shù)資料
| 型號： | 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)： | 11/41頁 |
| 文件大?。?/td> | 5959K |
| 代理商： | AN12941A |
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AN
12941
A
SDC
00056
AEB
11
■
Terminal Equivalent Circuits (continued)
Pin No.
Equivalent Circuits
Description
Corrugation
and Voltage
9
,
48
V
REG
(3.0 V)
Pin 9
48
4.6 k
4.6 k
Audio signal mix amplifier output pin:
It is the output of the mix amplifier
to mix a signal from the modem, the
beep, the PCcard to an audio signal.
Pin
9
: The R-channel output
Pin
48
: The L-channel output
The output impedance:
Equal to or less than about
10
DC
1
.
5
V
AC
28
dBV
10
,
47
Pin 10
47
V
REG
(3.0 V)
Entry for EVR:
It is the amplifier entry to adjust an
output level to the HP amplifier.
It becomes the entry of the EVR
adjustment signal.
The entry impedance:
The high impedance
DC
AC
28
dBV
7
7
90 k
81 k
126 k
49-pin (2.4 V)
Audio signal on/off changing control pin:
It is the control pin which changes
whether to communicate an audio
signal to the amplifier to mix an
alarm signal and an audio signal. At
the time of off, only an alarm audio is
output from the mix amplifier.
High: Signal on
Low: Signal off
The entry impedance:
The high impedance
DC
6
,
52
V
REG
(3.0 V)
25.2 k
25.2 k
V
REF
(1.5 V)
Pin 6
52
Audio signal input:
It enters a main audio signal.
Pin
6
: R-channel entry
Pin
52
: L-channel entry
The entry impedance: About
45
k
DC
1
.
5
V
AC
22
dBV
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AN12942B | Audio signal processing IC for notebook PC |
| AN12943A | Audio signal processing IC for notebook PC |
| AN12974A | Stereo power amplifier with built-in AGC circuitry and SPATIALIZER |
| AN15525A | Silicon Monolithic Bipolar IC |
| AN15526A | Silicon Monolithic Bipolar IC |
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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