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XTR101AP

4-20mA 2-wire transmitter, on-chip IA, DIP-14

6080

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Pieza del fabricante：

XTR101AP

Paquete：

DIP-14 (19.3 x 6.35 mm, 2.54mm pitch)

Marca：
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Descripción

Productos

The XTR101AP from Texas Instruments is a precision 4-20mA two-wire current loop transmitter with on-chip instrumentation amplifier, designed for remote sensor signal conditioning.

Especificaciones

Fabricante Texas Instruments
Salida 4-20 mA current loop
Tensión de alimentación 11.6V to 40V (loop)
Accuracy ±0.1% over temperature
Span Range 16 mA (4 to 20mA)
Input Voltage Range 0 to 1V (adjustable)
Input Offset 30 µV max
Paquete DIP-14
Temperatura de funcionamiento -40°C to +85°C

Características

  • Complete 4-20mA transmitter
  • On-chip instrumentation amplifier
  • Two 1mA current sources for sensor excitation
  • Precision span and zero adjust
  • Two-wire loop-powered operation
  • ±0.1% accuracy over temperature

Aplicaciones

  • Industrial process control
  • Pressure and temperature transmitters
  • Remote sensor signal conditioning
  • 4-20mA current loop systems

The XTR101AP from Texas Instruments is a precision 4-20mA two-wire current loop transmitter with on-chip instrumentation amplifier. It converts low-level sensor signals (0-1V) into standard 4-20mA current loop output. Two on-chip 1mA current sources provide sensor excitation for RTDs or bridges. The two-wire loop-powered design means the signal and power share the same pair, simplifying remote sensor installations.

The XTR101 contains an instrumentation amplifier that amplifies the differential input voltage. The amplified signal drives a voltage-to-current converter that modulates the loop current between 4mA (zero input) and 20mA (full-scale). Two 1mA precision current sources can be used for sensor excitation (RTD, bridge). External resistors set the span and zero. The entire circuit is powered from the loop supply, drawing 4-20mA total.

Pin Nombre Función
1-2 IREF1/IREF2 1mA current source outputs
3-4 IN+/IN- Instrumentation amp inputs
5 Span Span adjust
6-7 Span/Zero External resistor inputs
8,10 E+/E- Loop supply
11-14 Out/Zero Output and zero adjust
  • Industrial 4-20mA pressure transmitters
  • Temperature measurement with RTDs
  • Remote sensor signal conditioning
  • Process control current loop interfaces
Fabricante Número de pieza Notas
TI XTR105P With RTD linearization
TI XTR106P With bridge excitation
ADI AD693AQ Similar current loop transmitter
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