Datasheet

TLC04/MF4A-50, TLC14/MF4A-100
BUTTERWORTH FOURTH-ORDER LOW-PASS
SWITCHED-CAPACITOR FILTERS
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
C
R
10 kΩ
10 kΩ
10 V
4
V
CC–
6 AGND
8 FILTER IN
FILTER
OUT
5
φ2
φ1
Butterworth
Fourth-Order
Low-Pass Filter
Nonoverlapping
Clock Generator
2 CLKR
1 CLKIN
3LS
V
CC+
7
Level Shift
f
clock
1
RC In
V
CC
–V
IT–
V
CC
–V
IT
V
IT
V
IT–
For V
CC
= 10 V
f
clock
=
1
1.69 RC
See Note A
0.1 µF
NOTE A: AGND must be biased to midsupply.
Figure 7. Self Clocking Through Schmitt-Trigger Oscillator Single-Supply Operation