Datasheet

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