TK15121
Grand Earthing System Audio Signal Mute IC
FEATURES
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Wide Voltage Range (1.8 ~ 5.5 V)
Very Low Signal Distortion (typ. 0.005%)
High Maximum Input Voltage (max. 4.2 V
P-P
)
Very Low Standby Current (typ. 0.1 mA)
Minimal External Component Circuitry
APPLICATIONS
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Audio Systems
Television
VTR
MD
CD
DESCRIPTION
The TK15121M is a “MUTE IC” of the Grand Earthing
System that was developed as a low frequency signal
attenuation for audio products.
The mute function includes two channels which act
simultaneously by one control key.
The optional time for the Attack/Release can be set up by
the “Timing Control Capacitor”.
20 P
TK15121
IN/OUT 1
VCC
GND
MUTE
CAPACITOR
CONTROL
IN/OUT 2
BLOCK DIAGRAM
DRIVER
AMP
CONTROL
LOGIC
ORDERING INFORMATION
TK15121M
Tape/Reel Code
TIME
CONTROL
TAPE/REEL CODE
TL: Tape Left
April 1999 TOKO, Inc.
Page 1
TOKO [ TOKO, INC ]
