Datasheet

TLC04/MF4A-50, TLC14/MF4A-100
BUTTERWORTH FOURTH-ORDER LOW-PASS
SWITCHED-CAPACITOR FILTERS
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC+
= 5 V,
V
CC–
= –5 V, f
clock
≤ 250 kHz (unless otherwise noted)
filter section
PARAMETER
TEST
TLC04/MF4A-50 TLC14/MF4A-100
UNIT
PARAMETER
CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
OO
Output offset voltage 150 200 mV
V
OM
Peak out
p
ut voltage
V
OM+
R
L
=10kΩ
3.75 4.3 3.75 4.5
V
V
OM
Peak
o
u
tp
u
t
v
oltage
V
OM–
R
L
=
10
kΩ
–3.75 –4.1 –3.75 –4.1
V
I
OS
Short circuit out
p
ut current
Source
T
A
= 25°C,
–2 –2
mA
I
OS
Short
-
circ
u
it
o
u
tp
u
t
c
u
rrent
Sink
A
,
See Note 4
5 5
mA
I
CC
Supply current f
clock
= 250 kHz 1.8 3 1.8 3 mA
k
SVS
Supply voltage sensitivity (see Figures 1 and 2) –30 –30 dB
†
All typical values are at T
A
= 25°C.
NOTE 4: I
OS(source)
is measured by forcing the output to its maximum positive voltage and then shorting the output to the V
CC –
terminal. I
OS(sink)
is measured by forcing the output to its maximum negative voltage and then shorting the output to the V
CC+
terminal.
clocking section
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IT
Positive going in
p
ut threshold voltage
V
CC+
= 10 V, V
CC–
= 0 6.1 7 8.9
V
V
IT+
Positi
v
e
-
going
inp
u
t
threshold
v
oltage
V
CC+
= 5 V, V
CC–
= 0 3.1 3.5 4.4
V
V
IT
Negative going in
p
ut threshold voltage
CLKIN
V
CC+
= 10 V, V
CC–
= 0 1.3 3 3.8
V
V
IT–
Negati
v
e
-
going
inp
u
t
threshold
v
oltage
CLKIN
V
CC+
= 5 V, V
CC–
= 0 0.6 1.5 1.9
V
V
h
Hysteresis voltage (V
IT
V
IT
)
V
CC+
= 10 V, V
CC–
= 0 2.3 4 7.6
V
V
hys
H
y
steresis
v
oltage
(V
IT+
–
V
IT–
)
V
CC+
= 5 V, V
CC–
= 0 1.2 2 3.8
V
V
OH
High level out
p
ut voltage
V
CC
= 10 V
I
O
=10µA
9
V
V
OH
High
-
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 5 V
I
O
= –
10
µ
A
4.5
V
V
OL
Low level out
p
ut voltage
V
CC
= 10 V
I
O
=10µA
1
V
V
OL
Lo
w-
le
v
el
o
u
tp
u
t
v
oltage
V
CC
= 5 V
I
O
=
10
µ
A
0.5
V
In
p
ut leakage current
CLKR
V
CC
= 10 V
LS at midsupply,
2
µA
Inp
u
t
leakage
c
u
rrent
CLKR
V
CC
= 5 V
y,
T
A
= 25°C
2
µ
A
V
CC
= 10 V
CLKR and CLKIN
–3 –7
mA
I
O
Out
p
ut current
V
CC
= 5 V
shortened to V
CC–
–0.75 –2
mA
I
O
O
u
tp
u
t
c
u
rrent
V
CC
= 10 V
CLKR and CLKIN
3 7
mA
V
CC
= 5 V
shortened to V
CC+
0.75 2
mA
†
All typical values are at T
A
= 25°C.