Datasheet

TLC04/MF4A-50, TLC14/MF4A-100
BUTTERWORTH FOURTH-ORDER LOW-PASS
SWITCHED-CAPACITOR FILTERS
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Filter Output – dB
Supply Voltage V
CC+
Ripple Frequency – kHz
V
CC–
= –5 V
Filter in at 0 V
f
clock
= 250 kHz
(0 to 40 kHz)
V
CC+
= 5 V + 50-mV Sine Wave
0
– 10
– 20
– 30
– 40
– 50
– 60
4035302520151050
FILTER OUTPUT
vs
SUPPLY VOLTAGE V
CC+
RIPPLE FREQUENCY
Figure 1
Filter Output – dB
0 5 10 15 20 25 30 35 40
0
V
CC–
= –5 V + 50-mV Sine Wave
(0 to 40 kHz)
V
CC+
= 5 V
Filter in at 0 V
f
clock
= 250 kHz
Supply Voltage V
CC–
Ripple Frequency – kHz
FILTER OUTPUT
vs
SUPPLY VOLTAGE V
CC–
RIPPLE FREQUENCY
– 10
– 20
– 30
– 40
– 50
– 60
Figure 2