LT2079 LINER [Linear Technology], LT2079 Datasheet - Page 14

• Manufacturer Part Number: LT2079
• Description: Micropower, Dual and Quad, Single Supply, Precision Op Amps
• Manufacturer: LINER [Linear Technology]

LT2078/LT 2079
14
TYPICAL APPLICATIONS
(5mV TO 50V)
(5mV TO 50V)
Y INPUT
X INPUT
INPUT
0.1%
0.1%
505k
505k
IN
27.6k
0.1%
6
5
2
3
2N4393
–1.5V TO –9V
510k
–
+
–
+
1M**
1/4 LT2079
1/4 LT2079
Single Supply, Micropower, Second Order Lowpass Filter with 60Hz Notch
f
Q = 30
Q1
1M
C
9V
27.6k
0.1%
6
5
= 40Hz
4
11
220pF
–
+
1/4 LT2079
2
3
9V
U
–
+
1
1/4 LT2079
4
11
7
0.01 F
0.02 F
1M**
1N914
30k
5%
3
2
220pF
5.1M
7
30k
5%
1%
+
–
1/2 LT2078
Q2
100pF
5V
1
Micropower Dead Zone Generator
Q1
4
1M
1M
8
Micropower Multiplier/Divider
120k
5%
1M*
–9V
1
Q5
Q4
Q2
Q3
680k
10
1000pF
BIPOLAR SYMMETRY IS EXCELLENT
BECAUSE ONE DEVICE, Q2,
SETS BOTH LIMITS
SUPPLY CURRENT 240 A
BANDWIDTH = 150kHz
9
Q4
2.64M
0.5%
0.1%
30k
5%
1M*
–
+
1/4 LT2079
1N914
0.5%
499k
10
9
–
+
1.35M
0.1%
1000pF
1/4 LT2079
14
GAIN
200k
2000pF
0.5%
2.64M
220pF
0.1%
GAIN
1000pF
10k
1/4 LT2079
0.5%
8
Q3
510k
V
DEAD ZONE
CONTROL INPUT
0.4V TO 5V
6
5
470k
510k
1M**
SET
8
+
–
+
–
1/2 LT2078
13
12
OUTPUT
(5mV TO 8V)
13
12
Q6
2N4393
**
0.1%
505k
lt2078/79 • TA11
*
–
+
1/4 LT2079
1% FILM
RATIO MATCH 0.05%
Q2, Q3, Q4, Q5 CA3096 TRANSISTOR ARRAY
Q1,Q2, Q3, Q4 = MAT-04
TYPICAL LINEARITY = 0.01% OF FULL-SCALE OUTPUT
OUTPUT =
NEGATIVE SUPPLY CURRENT = 165 A +
POSITIVE SUPPLY CURRENT = 165 A +
BANDWIDTH (< 3V
7
1M**
LT2078/79 • TA10
Z INPUT
(5mV TO 50V)
OUTPUT
TYPICAL OFFSET
V
(X)(Y)
600 V
SET
(Z)
14
LT2078/79 • TA12
, POSITIVE INPUTS ONLY
V
P-P
OUT
V
SIGNAL): X AND Y INPUTS = 10kHz
OUT
V
SET
Z INPUT = 4kHz
V
IN
500k
OUT
X + Y+ Z + OUT
500k