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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)： | 7/41頁 |
| 文件大?。?/td> | 5959K |
| 代理商： | AN12941A |
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AN
12941
A
SDC
00056
AEB
7
■
Electrical Characteristics at V
CC
=
5
V, V
CC
_SP =
5
V (continued)
Note)
T
a
=
25
°
C
±
2
°
C unless otherwise specified.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Voltage holding mode (continued)
SP gain high/low SW
+
6
dB/
0
dB
Voltage range holding +
6
dB
V
2
H
2
.
0
5
.
0
V
SP gain high/low SW
+
6
dB/
0
dB
Voltage range holding
0
dB
V
2
L
0
.
0
0
.
8
V
■
Control terminal , The mode table
Pin No.
Pin Name
Voltage of Pin
Remarks
Low
High
7
Entry signal on/off
Signal off
Signal on
18
AGC on/off
AGC off
AGC on
17
Signal automatic detection function
Automatic
distinction off
Automatic
distinction on
5
Standby on/off
STB on
STB off
35
SP power save on/off
Save on
(SP off)
Save off
(SP on)
The power saving operation
by pin
35
has priority over
any automatic detection
2
SP gain high/low SW
0
dB
+
6
dB
The gain difference is about
6
dB
Pin No.
Pin Name
Voltage of Pin
0
.
5
V to
1
.
5
V
36
At the time of AGC: on,
It changes on level.
On level:
3
dB to +
3
dB
Note) *: The holding range of control voltage is shown in page
6
to page
7
of
■
Electrical Characteristics.
■
Terminal Equivalent Circuits
Pin No.
Equivalent Circuits
Description
Corrugation
and Voltage
28
,
29
V
CC
_SP:
It is the specifically designed power
pin of the speaker amplifier.
Pin
28
is for R-channel
Pin
29
is for L-channel
Because the big electric current
flows,it is desirable to separate from
the V
CC
line to the other power pin
on the board pattern.
DC
5
V
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