PT2253A データシートの表示（PDF） - Princeton Technology
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PT2253A Datasheet PDF : 20 Pages
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Electronic Volume Controller IC
BLOCK DIAGRAM
Vcc
Vss
/INH
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2253A
U/D
OSC
L-OUT1
L-IN1
A-GND
L-IN2
L-OUT2
OSC
U/D
7 BITS
BIDIRECTIONAL
INT
CK SHIFT REGISTER
Vcc
U/D 5 BITS
BIDIRECTIONAL
CK SHIFT REGISTER
AUTO
INITIALIZE
CIRCUIT
INT
CONSTANT
CURRENT
CIRCUIT
CK
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
CK
CK
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
CK
A-SW
CK
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
CK
CK
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
CK
DCO
R-OUT1
R-IN1
A-GND
R-IN2
R-OUT2
PT2253A V2.8
-2-
December, 2005
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