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XTR105 具有传感器激励和线性化的 4-20mA 电流发送器

数据:

描述

The XTR105 is a monolithic 4-20mA, 2-wire current transmitter with two precision current sources. It provides complete current excitation for platinum RTD temperature sensors and bridges, instrumentation amplifiers, and current output circuitry on a single integrated circuit.

Versatile linearization circuitry provides a 2nd-order correction to the RTD, typically achieving a 40:1 improvement in linearity.

Instrumentation amplifier gain can be configured for a wide range of temperature or pressure measurements. Total unadjusted error of the complete current transmitter is low enough to permit use without adjustment in many applications. This includes zero output current drift, span drift, and nonlinearity. The XTR105 operates on loop power-supply voltages down to 7.5V.

The XTR105 is available in DIP-14 and SO-14 surface-mount packages and is specified for the –40°C to +85°C industrial temperature range.

特性

  • LOW UNADJUSTED ERROR
  • 两个精密电流源:每个800μA
  • 线性化
  • 2-OR 3-WIRE RTD操作
  • 低偏移漂移:0.4μV/°C
  • 低输出电流噪声:30NA PP < /li>
  • 高PSR:最低110dB
  • 高CMR:最低86dB
  • 宽电源范围:7.5V至36V
  • DIP-14和SO -14包装
  • 应用
    • 工业过程控制
    • 工厂自动化
    • SCADA远程数据采集
    • 远程温度和压力传感器

所有商标均为其各自所有者的财产。

参数 与其它产品相比 4-20mA信号调节器

 
Vs (Min) (V)
Vs (Max) (V)
Offset Voltage Drift (+/-) (Max) (uV/Degrees Celsius)
Offset Voltage (+/-) (Max) (uV)
Pin/Package
Package Group
Package Size: mm2:W x L (PKG)
XTR105
7.5    
36    
1.5    
25    
14PDIP
14SOIC    
PDIP
SOIC    
See datasheet (PDIP)
14SOIC: 52 mm2: 6 x 8.65(SOIC)    

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