PT2307 Просмотр технического описания (PDF) - Princeton Technology
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PT2307 Datasheet PDF : 5 Pages
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1W Audio Power Integration Amplifier
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2307
APPLICATION CIRCUIT II (PT2307-B)
VCC
J1
2
4
EXTERNAL MICIN
3
1
MICROPHONE JACK
C9
1F
R3
10K
4.7K
4.7K
10 F Cb1
INTERNAL MICIN
MICOUT
L1L
L2L
L2R
L1R
C8
R4
1F
10K
C2
1F
C7
1F
C6
1F
VCC
+
100 F
C4
1F
C5
1F
RL1 1K
RL2 1K
SCL
SDA
RR2 1K
RR1 1K
+
1F
1 L1L
MIC_SENSE 24
2 L2L
HP_SENSE 23
3 MIC1
LOUT 22
4 VSS2
VP1 21
5 SCL
SP+ 20
6 SDA
VEE 19
7 VCC
SP- 18
8 MICOUT
VP2 17
9 MIC2
ROUT 16
10 L2R
VSS1 15
11 L1R
/SHUTDOWN 14
12 REF
MUTE 13
Cb
PT2307
VCC
10K
330 F
10K
330 F
VCC
VCC
+
100 F
+ C3
100 F
1K
2
4
3
1
1K
J1
EARPHONE JACK STEREO
8
/SHUTDOWN
MUTE
Note 1: The I/O capacitor’s positive polarity must face to the higher voltage side.
Note 2: In the circuit board layout, the input resistors R3、R4、RL1、RL2、RR1、RR2 must placed very
close to the PT2307.
PT2307 V1.0
-4-
September, 2004
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