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ꢆꢇ ꢈ ꢁꢉ ꢊꢋꢌꢍꢉ ꢎꢏꢎꢉꢈ ꢁꢐ ꢑ ꢒꢐ ꢀꢁꢎꢓ ꢋ ꢉꢐ ꢔ ꢒꢋ ꢑꢁ ꢋꢑ
ꢇ ꢈꢁ ꢊ ꢑꢋꢓ ꢕ ꢀꢎꢁꢐ ꢑ
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
APPLICATION INFORMATION
5 V
10 kΩ
+
Input TTL or
CMOS Low
for On
10 µF
10 kΩ
40 Ω
2N2907
Zero Trim
10 kΩ
Gain Trim
5 kΩ
8
301 kΩ
0.022 µF
1 MΩ
100 kΩ
5 kΩ
2
3
6
5
A2
1/2
LT1013
−
−
1/2
LT1013
7
1
V
OUT
100 kΩ
10 kΩ
+
+
350 Ω
A1
4
1 µF
200 kΩ
1
8
7
6
5
V
FB/SD
5 V
CC
2
3
4
CAP+
GND
OSC
LT1054 #1
+
3 kΩ
10 µF
2N2222
V
REF
+
100-µF
Adjust Gain Trim For 3 V Out From
Full-Scale Bridge Output of 24 mV
Tantalum
V
OUT
CAP−
Pin numbers shown are for the P package.
Figure 26. Strain-Gage Bridge Signal Conditioner
19
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
