TK15125
Dual Supply Grand Earthing System Audio Signal Mute IC
FEATURES
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Wide Voltage Range (
鹵
2.5 to
鹵
5.5 V)
High Volume Attenuation (typ. -89dB)
Very Low Signal Distortion (typ. 0.0025%)
High Maximum Input Voltage (max. 5.2 V
P-P
)
Very Low Standby Current (typ. 0.6 mA)
Minimal External Component Circuitry
APPLICATIONS
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Audio Systems
Television
VTR
MD
CD
DESCRIPTION
The TK15125M is a dual power supply Mute IC of the
Grand Earthing System that was developed as a low
frequency signal attenuator for audio products.
The mute function includes two channels which operate
simultaneously by one control key.
The optional time for the Attack/Release action can be set
up by an external timing control capacitor.
The TK15125M is available in a SOP-14 Surface Mount
Package.
TK15125
OUT/IN 1
IN/OUT 1
GND 1
GND 2
GND 3
IN/OUT 2
OUT/IN 2
VDD
MUTE-C
NC
NC
NC
CONTROL
VSS
BLOCK DIAGRAM
CONTROL
MUTE-C
VDD
CONTROL DRIVER TIMING
ORDERING INFORMATION
VSS
NC
NC
NC
TK15125M
Tape/Reel Code
OUT/IN 1
IN/OUT 1
IN/OUT 2
OUT/IN 2
GND 1
GND 2
GND 3
Control
Lo: Mute off
Hi: Mute on
TAPE/REEL CODE
TL: Tape Left
July 1999 TOKO, Inc.
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