Datasheet

LT1028/LT1128
16
1028fb
Low Noise Voltage Regulator
1028 TA04
10
2k
20V OUTPUT
–
+
LT1028
2.3k
PROVIDES PRE-REG
AND CURRENT
LIMITING
10
+
28V
121Ω
2k
330Ω
1000pF
1k
28V
LT317A
LT1021-10
2N6387
Typical applicaTions
Strain Gauge Signal Conditioner with Bridge Excitation
1028 TA03
1µF
REFERENCE
OUTPUT
–
+
LT1128
30.1k*
49.9Ω*
15V
330Ω
10k
ZERO
TRIM
5.0V
301k*
LT1021-5
0V TO 10V
OUTPUT
3
2
7
6
4
350Ω
BRIDGE
–15V
15V
15V
LT1028
–
+
3
2
7
6
4
–15V
LT1028
–
+
3
2
7
6
4
–15V
5k
GAIN
TRIM
330Ω
*RN60C FILM RESISTORS
THE LT1028’s NOISE CONTRIBUTION IS NEGLIGIBLE
COMPARED TO THE BRIDGE NOISE.