Philips Semiconductors
Preliminary specification
Sound fader control circuit
TEA6320
mute pin 12
hardware mute switch
handbook, full pagewidth
I
= −150 µA
CH
TEA6320
I
= 0.6 µA
D
C
= 10 nF
m
U
(V)
I
0.5 ms delay until
mute passive
(µA)
V
CC
8.5
0
(1)
delay switch
level
−150
2.2
mute switch 1.45
level
MED430
100 ms
t (ms)
zero crossing
mute start
end of delay
hard mute
on
hard mute
off
(1) Typically 2.2 V; referenced to 3 × VBE
.
Fig.10 Mute function diagram.
1995 Dec 19
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