Datasheet

Table Of Contents
LM567
,
LM567C
www.ti.com
SNOSBQ4E MAY 1999REVISED DECEMBER 2014
11.2 Typical Applications
11.2.1 Touch-Tone Decoder
Component values (typ)
R1 6.8 to 15k
R2 4.7k
R3 20k
C1 0.10 mfd
C2 1.0 mfd 6V
C3 2.2 mfd 6V
C4 250 mfd 6V
Figure 12. Touch-Tone Decoder
11.2.1.1 Design Requirements
PARAMETERS VALUES
Supply Voltage Range 3.5 V to 8.5 V
Input Voltage Range 20 mV
RMS
to VCC + 0.5
Input Frequency 1 Hz to 500 kHz
Output Current Max. 15 mA
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