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Burr-Brown Corporation

XTR116U Datasheet Preview

XTR116U Datasheet

4-20mA CURRENT LOOP TRANSMITTERS

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®
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
®




Burr-Brown Corporation

XTR116U Datasheet Preview

XTR116U Datasheet

4-20mA CURRENT LOOP TRANSMITTERS

No Preview Available !

SPECIFICATIONS
At TA = +25°C, V+ = 24V, RIN = 20k, and TIP29C external transistor, unless otherwise noted.
XTR115U
XTR116U
PARAMETER
CONDITIONS
MIN
TYP
MAX
OUTPUT
Output Current Equation
Output Current, Linear Range
Over-Scale Limit
Under-Scale Limit
SPAN
Span (Current Gain)
Error (1)
vs Temperature
Nonlinearity
IO
ILIM
IMIN
S
INPUT
Offset Voltage (Op Amp)
vs Temperature
vs Supply Voltage, V+
Bias Current
vs Temperature
Noise: 0.1Hz to 10Hz
DYNAMIC RESPONSE
Small Signal Bandwidth
Slew Rate
VOS
IB
en
VREF(2)
XTR115
XTR116
Voltage Accuracy
vs Temperature
vs Supply Voltage, V+
vs Load
Noise: 0.1Hz to 10Hz
Short-Circuit Current
VREG(2)
Voltage
Voltage Accuracy
vs Temperature
vs Supply Voltage, V+
vs Output Current
Short-Circuit Current
POWER SUPPLY
Specified
Voltage Range
Quiescent Current
Over Temperature, –40°C to +85°C
V+
TEMPERATURE RANGE
Specification
Operating
Storage
Thermal Resistance
θJA
IREG = 0, IREF = 0
IIN = 250µA to 25mA
TA = –40°C to +85°C
IIN = 250µA to 25mA
IIN = 40µA
TA = –40°C to +85°C
V+ = 7.5V to 36V
CLOOP = 0, RL = 0
IREF = 0
TA = –40°C to +85°C
V+ = 7.5V to 36V
IREF = 0mA to 2.5mA
IREG = 0
TA = –40°C to +85°C
V+ = 7.5V to 36V
0.25
IO = IIN • 100
32
0.2
25
0.25
100
±0.05
±3
±0.003
±0.2
±20
±0.01
±100
±0.7
±0.1
–35
150
0.6
±250
±3
±2
380
3.2
2.5
4.096
±0.05
±20
±1
±100
10
16
±0.25
±35
±10
5
±0.05
±0.1
±0.1
1
See Typical Curves
12
+24
+7.5
+36
200 250
240 300
–40 +85
–55 +125
–55 +125
150
T Specifications the same as XTR115U and XTR116U.
NOTES: (1) Does not include initial error or TCR of RIN. (2) Voltage measured with respect to IRET pin.
XTR115UA
XTR116UA
MIN
TYP
MAX
T
TT
T
TT
T
T ±0.4
TT
T ±0.02
T ±500
T ±6
TT
T
T
T
T
T
T
T
T ±0.5
T ±75
TT
T
T
T
T
TT
T
T
T
T
TT
TT
TT
TT
TT
TT
T
UNITS
mA
mA
mA
A/A
%
ppm/°C
%
µV
µV/°C
µV/V
nA
pA/°C
µVp-p
kHz
mA/µs
V
V
%
ppm/°C
ppm/V
ppm/mA
µVp-p
mA
V
V
mV/°C
mV/V
mA
V
V
µA
µA
°C
°C
°C
°C/W
®
XTR115, XTR116
2


Part Number XTR116U
Description 4-20mA CURRENT LOOP TRANSMITTERS
Maker Burr-Brown Corporation
Total Page 7 Pages
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