XTR104 Burr-Brown Corporation, XTR104 Datasheet - Page 11

• Manufacturer Part Number: XTR104
• Description: 4-20mA Current Transmitter with BRIDGE EXCITATION AND LINEARIZATION
• Manufacturer: Burr-Brown Corporation

FIGURE 8. 350 Bridge With X10 Preamplifier.
FIGURE 9. 12V-Powered Transmitter/Receiver Loop.
FIGURE 10. Isolated Transmitter/Receiver Loop.
Sensor
Bridge
Bridge Sensor
–
Bridge Excitation
Voltage = 0.42V
–
350
R
B
1.65k
1.65k
R
+
B
1.37mA at 5V
+
9.4k
R
G
1
3
5
6
4
2
V
V
V
V
R
R
approx. x10
–
+
–
+
G
G
R
LIN
IN
Amplifier
IN
LIN
+
–
G
12
XTR104
LT1049
V
1
3
5
6
4
2
R
V
V
V
R
R
V
–
8
+
–
+
G
G
LIN
IN
400µA
IN
LIN
12
XTR104
90k
9
V+
I
V
O
R
R
B
E
7
10
LIN
8
13
11
I
O
9
V+
I
O
R
B
E
= 4-20mA
7
10
LIN
1k
13
11
1µF
1N4148
0.01µF
I
O
11
= 4-20mA
1N4148
0.01µF
25
R
G
1
3
5
6
4
2
V
V
V
R
R
V
–
+
–
+
G
G
LIN
IN
3
2
IN
LIN
16
12
XTR104
V
10
RCV420
4
R
11
5
8
12
9
I
V+
O
R
B
E
3
2
13
10
LIN
7
13
11
16
+12V
–12V
15
10
RCV420
4
14
1µF
11
5
1µF
I
O
12
= 4-20mA
XTR104
15
13
1N4148
0.01µF
1µF
1µF
15
ISO122
14
16
1
2
+15V
0
–15V
V
O
= 0 to 5V
10
Isolated Power
from PWS740
9
8
7
0 – 5V
V+
V
V–
O
®