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Burr-Brown Corporation - 4-20mA CURRENT LOOP TRANSMITTERS

Numéro de référence XTR116UA
Description 4-20mA CURRENT LOOP TRANSMITTERS
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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XTR116UA fiche technique
®
XTR116
XTR115
XTR115
XTR116
For most current data sheet and other product
information, visit www.burr-brown.com
4-20mA CURRENT LOOP TRANSMITTERS
FEATURES
q LOW QUIESCENT CURRENT: 200µA
q 5V REGULATOR FOR EXTERNAL CIRCUITS
q VREF FOR SENSOR EXCITATION:
XTR115: 2.5V
XTR116: 4.096V
q LOW SPAN ERROR: 0.05%
q LOW NONLINEARITY ERROR: 0.003%
q WIDE LOOP SUPPLY RANGE: 7.5V to 36V
q SO-8 PACKAGE
DESCRIPTION
The XTR115 and XTR116 are precision current out-
put converters designed to transmit analog 4-to-20mA
signals over an industry standard current loop. They
provide accurate current scaling and output current
limit functions.
The on-chip voltage regulator (5V) can be used to
power external circuitry. A precision on-chip VREF
(2.5V for XTR115 and 4.096V for XTR116) can be
APPLICATIONS
q 2-WIRE, 4-20mA CURRENT LOOP
TRANSMITTER
q SMART TRANSMITTER
q INDUSTRIAL PROCESS CONTROL
q TEST SYSTEMS
q COMPATIBLE WITH HART MODEM
q CURRENT AMPLIFIER
q VOLTAGE-TO-CURRENT AMPLIFIER
used for offsetting or to excite transducers. A current
return pin (IRET) senses any current used in external
circuitry to assure an accurate control of the output
current.
The XTR115 is a fundamental building block of
smart sensors using 4-to-20mA current transmission.
The XTR115 and XTR116 are specified for opera-
tion over the extended industrial temperature range,
–40°C to +85°C.
+5V
XTR115: 2.5V
XTR116: 4.096V
VREG
8
VREF
1
XTR115
XTR116
+5V
Regulator
Voltage
Reference
V+
7
RIN IIN
2
+
A1
VIN
3
IRET
R1
2.475k
B
6
RLIM
R2
25
E
5
IO =
100 VIN
RIN
4
I = 100 • IIN
VLOOP
RL
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©2000 Burr-Brown Corporation
PDS-11582A
XTR115,PriXnteTd Rin U1.S1.A6. January, 2000
®

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