PT2253B 查看數據表（PDF） - Princeton Technology
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PT2253B Datasheet PDF : 7 Pages
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Princeton Technology Corp.
Electronic Volume Controller IC
Tel: 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2253B
APPLICATION CIRCUIT 1
Dual Power Supply (L-Channel Only)
Vss -6V
10uF +
VDD +6V
+
10uF
+4
3
1
LM358
_
28
INPUT
GROUND
OUTPUT
10uF
10uF
10K
Vss
Vcc
L-OU T1 R-OUT1
L-IN 1
R-IN1
A-GND A-GND
L-IN 2
R-IN2
L-OU T2 R-OUT2
INH
U /D
DCO
OSC
PT2253B
+
CX 4.7
100K
RS
+
IN4148
fosc = 1
33K
(0.7)(CX)( RX) RX
RS 3RX
IN4148
UP
DOWN
SW
SW
1uF
PT2253B v 1.7
Page 3
Revised October 1999
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