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): 3/41頁
文件大?。?/td> 5959K
代理商: AN12941A
AN
12941
A
SDC
00056
AEB
3
Pin Description
Pin No.
Description
Pin No.
Description
1
V
CC
29
V
CC
_SP L-channel
SP amplifier L-channel negative phase output (
)
2
SP gain high/low SW
30
3
REG ripple filter pin
31
SP amplifier L-channel negative phase output (
)
4
Input for PCcard
32
SP amplifier L-channel positive phase output (
+
)
5
Standby on/off control
33
SP amplifier L-channel positive phase output (
+
)
6
R-channel input
34
GND_SP L-channel
7
Main signal mute on/off control
35
SP power save control
8
V
REF
R-channel for volume
36
AGC on level control
9
Audio mix amplifier R-channel output
37
GND
10
Volume control signal R-channel input
38
Signal auto detection amplifier R-channel input
11
R-channel output for HP amplifier
39
Signal auto detection mix amplifier
R-channel output
12
Negative feedback pin for alarm mix
amplifier R-channel
40
AGC demodulation pin
13
Alarm mix amplifier R-channel output
41
SP amplifier L-channel input
14
AGC R-channel output
42
GND
15
GND
43
AGC L-channel output
16
SP amplifier R-channel input
44
Alarm mix amplifier L-channel output
17
Signal automatic detection on/off control
45
Negative feedback pin for alarm mix
amplifier L-channel
18
AGC on/off control
46
L-channel output for HP amplifier
19
V
REF
_SP
47
Volume control signal L-channel input
20
GND
48
Audio mix amplifier L-channel output
21
Demodulation pin for signal automatic detection
49
Voltage output for AGC level change
22
Signal automatic detection output
50
Signal auto detection amplifier L-channel input
23
GND_SP R-channel
51
Signal auto detection mix amplifier
L-channel output
24
SP amplifier R-channel positive phase output (
+
)
52
L-channel input
25
SP amplifier R-channel positive phase output (
+
)
53
V
REF
26
SP amplifier R-channel negative phase output (
)
54
Input for modem
27
SP amplifier R-channel negative phase output (
)
55
GND
28
V
CC
_SP R-channel
56
Input for beep
Note) SP:
Speaker
HP: Headphone
REG: Regulator
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