LT1001
TYPICAL APPLICATIONS
Microvolt Comparator with TTL Output
5V
1.21M
1%
NON
INVERTING
INPUT
INVERTING
INPUT
2
7
39.2Ω
1%
4.99k
1%
20k
5%
–
LT1001
8
3
+
4
–5V
POSITIVE FEEDBACK TO ONE OF THE NULLING TERMINALS
CREATES 5µ TO 20µV OF HYSTERESIS. INPUT OFFSET VOLTAGE IS
TYPICALLY CHANGED BY LESS THAN 5µV DUE TO THE FEEDBACK.
Precision Current Source
5k
5V
3
5k
R
C
RC
≈
10
–4
6
2N3685
2N2219
10k
V
IN
0 to (V
+
– 1V)
2
3
+
–
7
LT1001
V
IN
0 to (V
2
–
+ 1V)
4
1000pF
V
–
= –2 to –35V
15V
15V
8.2k
2k*
3
4.99k*
100Ω
LT1001
2
6
2k
2N2219
IN4148
REFERENCE OUT
TO MONITORING
A/D CONVERTER
+
–
LM329
350Ω BRIDGE
*
301k
10k
ZERO
2
–
LT1001
6
3
+
8
U
Photodiode Amplifier
100pF
5k
5%
OUTPUT
500k 1%
2
λ
3
100pF
500k
1%
–
LT1001
6
OUTPUT
1V/µA
2N3904
IN914
+
1001 TA03
1001 TA04
Precision Current Sink
V
+
= 2V to 35V
V
I
OUT
=
IN
R
6
2N3685
2N2219
10K
+
–
7
LT1001
4
–5V
V
I
OUT
=
IN
R
R
1001 TA05
1001 TA06
Strain Gauge Signal Conditioner with Bridge Excitation
3
+
LT1001
6
0V TO 10V
OUT
340k*
2
–
1µF
IN4148
2N2907
2k
100Ω
5W
–15V
*RN60C FILM RESISTORS
1.1k*
GAIN
TRIM
1001 TA07
1001fb
LINER [ LINEAR TECHNOLOGY ]
