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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)： | 9/41頁(yè) |
| 文件大?。?/td> | 5959K |
| 代理商： | AN12941A |
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AN
12941
A
SDC
00056
AEB
9
■
Terminal Equivalent Circuits (continued)
Pin No.
Equivalent Circuits
Description
Corrugation
and Voltage
21
21
V
REG
(3.0 V)
90
90 k
Audio automatic detecting detection
pin:
It connects a condenser for the peak
detection. It is the circuit which
detects a peak after rectifying the
audio signal of the audio signal
automatic detection circuit in both
waves. By changing a capacity value,
the time which the power saving
depends on in case of the switchover
which is without signal with signal's
there being can be changed.
Signal less time:
Constant current source
Signal's there being:
Emitter follower
The output impedance: About
200
Signal nothing
DC
0
V
Signals there
being
DC
2
V
15
,
20
,
37
,
42
,
55
GND:
It is the GND pin of the signal system.
It is connected with the substrate
potential of the IC. Pin
15
, pin
42
connect with the lead frame of the IC.
DC
0
V
19
19
133 k
137 k
V
_SP
(5.0 V)
V
REF
_SP:
It is the standard voltage pin to fix
the DC bias of the speaker output.
It connects a condenser to remove a
ripple.
The output impedance: About
60
k
DC
2
.
2
V
17
17
45 k
9 k
27 k
63 k
9 k
49-pin
(2.4 V)
Signal automatic detection function
on/off control pin:
We change an audio signal automatic
detection function in on/off. In case
of automatic detection off, it controls
power saving by speaker with the
manual with the power saving on/off
pin.
High: Function on
Low: Function off
The entry impedance:
The high impedance
DC
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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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