TEA7063 ST Microelectronics, Inc., TEA7063 Datasheet - Page 7

• Manufacturer Part Number: TEA7063
• Description: Speech Circuit With Power Management
• Manufacturer: ST Microelectronics, Inc.

2.5 Soft Clipping
To avoid distortion on line, the TEA7063 has a
”soft clipping” on transmit channel.
The resistor (Rsoft) on pin 10 fixes the maximum
AC peak dynamic on the line: V
V
Figure 4
Figure 5: Transmit Curves
STL
(Vp) = Vpin16(DC) -1.44
R
STL
R9 pin
soft
pin 10
8
where Rsoft
The capacitor (C10) and the resistor (R10) con-
nected on pin 11 fixe the constant time of the soft
clipping.
Recommended values: C10 = 150nF;
R10 = 560K
1V
I
ST
I
ST
2 R9 pin
470mV
8
TEA7063
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