NJM2151A 查看數據表（PDF） - Japan Radio Corporation
零件编号
产品描述 (功能)
比赛名单
NJM2151A Datasheet PDF : 9 Pages
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NJM2151A
s BLOCK DIAGRAM
20 19 18 17 16 15 14 13
12 11
SP.V+
HP.V+
VR
VR
+
+
+
SP.
SUSPEND
HP.
SUSPEND
1
2
3
4
5
6
7
8
9
10
s PIN FUNCTION (SP V+=3.0V,HP V+=3.0V)
PIN No. SYMBOL
FUNCTION
1
EVR
2
LINE-IN-L
EVR Control
Line Lch Input
3
MUTE
Headphone Mute Control
4
LINE-IN-R
5
BEEP BIAS
6
SYS.BEEP-IN
7
SP.IN
8
BEEP IN
9
HP.SUSPEND
10 SP.SUSPEND
11
SP.GND
Line Rch Input
Bias
System BEEP Input
Speaker Amp. Input
Speaker BEEP Input
Headphone Suspend
Speaker Suspend Control
GND for Speaker
12
LM
Speaker Line Mix On/Off Control
13
SP.OUT2
BTL Invert Output
14
SP.OUT1
BTL Non-Invert Output
15 BEEP LEVEL System BEEP Output Level Control
16
SP.V+
Supply for Speaker
17
HP.GND
GND for Headphone
18
HP.OUT R
Headphone Rch Output
19
HP.OUT L
20
HP.V+
Headphone Lch Output
Supply for Headphone
PIN
VOLTAGE(V)
-
1.5
3.0
2.5
1.5
1.5
1.5
1.5
-
-
0.0
3.0
1.5
1.5
2.3
3.0
0.0
1.5
1.5
3.0
EQUIVARENT
CIRCUIT
Base(PNP)
Base(PNP)
100kΩ Pull Down
Base(PNP)
Base(PNP)
64kΩ
Base(PNP)
Base(PNP)
Base(PNP)
Base(PNP)
Base(PNP)
-
100k ΩPull Up
Base(PNP)
Emitter Follower
(NPN)
Emitter Follower
(NPN)
C(PNP)-3kΩ
-
-
Emitter Follower
(NPN)
Emitter Follower
(NPN)
-
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