ISC300 Datasheet, PDF (10/11 Pages) Burr-Brown (TI) – Universal Precision Isolated MEASUREMENT CHANNEL

1/2 OPA1013
+V_SS1
B
–V_SS1
1k Ω
100k Ω
1k Ω
1k Ω
100k Ω
+V_SS1
1k Ω
+V_SS1
INA102
–V_SS1
20k Ω
+V_SS1 –V_SS1
V_REF1
10k Ω
+In
–In
Com 1
A
–V_SS1
1/2 OPA1013
FIGURE 16. Isolated Instrument Bridge System.
4 to 20mA 6.25Ω
R₁
20Ω
10Ω
+In
125Ω
10Ω
100Ω 220Ω
R₂
330Ω
–In
I_REF1
Com 1
+V_CC
Out
ACom 2
DCom 2
Logic
Control
+V_DD
+V_CC
Out
ACom 2
0 to 5V
DCom 2
+V_DD
+V_DD
FIGURE 17. Isolated 4 to 20mA receiver (0 to 5V output).
®
ISC300
10