(China (Mainland))
Product Summary
The XTR115U/2K5 and XTR116 are precision current output 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 XTR115U/2K5 and 4.096V for XTR116) can be 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 XTR115U/2K5 is a fundamental building block of smart sensors using 4-to-20mA current transmission. The XTR115U/2K5 and XTR116 are specified for operation over the extended industrial temperature range, -40℃ to +85℃.
Parametrics
XTR115U/2K5 absolute maximum ratings: (1)Power Supply, V+ (referenced to IO pin): 40V; (2)Input Voltage (referenced to IRET pin): 0V to V+; (3)Output Current Limit: Continuous; (4)VREG, Short-Circuit: Continuous; (5)VREF, Short-Circuit: Continuous; (6)Operating Temperature: -55℃ to +125℃; (7)Storage Temperature Range: -55℃ to +125℃; (8)Lead Temperature (soldering, 10s): +300℃; (9)Junction Temperature: +165℃.
Features
XTR115U/2K5 features: (1)low quiescent current: 200ma; (2)5v regulator for external circuits; (3)vref for sensor excitation: xtr115: 2.5v; xtr116: 4.096v; (4)low span error: 0.05%; (5)low nonlinearity error: 0.003%; (6)wide loop supply range: 7.5v to 36v; (7)so-8 package.
Diagrams
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 XTR115U/2K5 |
Texas Instruments |
Current Sense Amplifiers 4-20mA Current Loop Transmitters |
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XTR115U/2K5E4 |
Texas Instruments |
Current Sense Amplifiers 4-20mA Current Loop Transmitters |
Data Sheet |
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