LT1078/LT1079
U
TYPICAL APPLICATIONS
Single Supply, Micropower, Second Order Lowpass Filter with 60Hz Notch
0.02µF
6
5
5V
8
27.6k
0.1%
27.6k
0.1%
–
OUTPUT
3
7
2.64M
0.1%
2.64M
0.1%
IN
+
1/2 LT1078
TYPICAL OFFSET
1
≈ 600µV
0.01µF
1/2 LT1078
+
2
2000pF
0.5%
–
4
5.1M
1%
120k
5%
1.35M
0.1%
100pF
1000pF
0.5%
1000pF
0.5%
f
= 40Hz
C
LT1078/79 • TA10
Q > 30
Micropower Multiplier/Divider
505k
0.1%
505k
0.1%
Z INPUT
(5mV TO 50V)
Y INPUT
(5mV TO 50V)
9V
220pF
220pF
Q1
Q3
4
–
–
13
6
5
30k
5%
7
14
1/4 LT1079
1/4 LT1079
30k
5%
+
+
12
10k
GAIN
499k
0.5%
11
–1.5V TO –9V
505k
0.1%
X INPUT
(5mV TO 50V)
–
9
8
OUTPUT
220pF
1/4 LT1079
+
–
(5mV TO 8V)
2
3
Q2
Q4
10
1
1/4 LT1079
LT1078/79 • TA11
+
30k
5%
Q1,Q2, Q3, Q4 = MAT-04
TYPICAL LINEARITY = 0.01% OF FULL-SCALE OUTPUT
(X)(Y)
OUTPUT =
, POSITIVE INPUTS ONLY
(Z)
X + Y+ Z + OUT
500k
OUT
NEGATIVE SUPPLY CURRENT = 165µA +
POSITIVE SUPPLY CURRENT = 165µA +
500k
BANDWIDTH (< 3V SIGNAL): X AND Y INPUTS = 10kHz
P-P
Z INPUT = 4kHz
15
Linear [ Linear ]
