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The XTR106 is a low cost, monolithic 4-20mA, two-wire current transmitter designed for bridge sensors. It provides complete bridge excitation (2.5V or 5V reference), instrumentation amplifier, sensor linearization, and current output circuitry. Current for powering additional external input circuitry is available from the VREG pin.
The instrumentation amplifier can be used over a wide range of gain, accommodating a variety of input signal types and sensors. Total unadjusted error of the complete current transmitter, including the linearized bridge, is low enough to permit use without adjustment in many applications. The XTR106 operates on loop power supply voltages down to 7.5V.
Linearization circuitry provides second-order correction to the transfer function by controlling bridge excitation voltage. It provides up to a 20:1 improvement in nonlinearity, even with low cost transducers.
&The XTR106 is available in 14-pin plastic DIP and SO-14 surface-mount packages and is specified for the –40°C to +85°C temperature range. Operation is from –55°C to +125°C.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | XTR106: 4-20mA Current Transmitter with Bridge Excitation And Linearization datasheet (Rev. A) | 21 Jul 2003 | |
| Analog Design Journal | 4Q 2011 Issue Analog Applications Journal | 09 Nov 2011 | ||
| Analog Design Journal | Analog linearization of resistance temperature detectors | 09 Nov 2011 | ||
| More literature | 20mA to 0-20mA Converter & Current Summing Current-to-Current Converters | 02 Oct 2000 |
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The DLP NIRscan is a complete evaluation module (EVM) to design a high performance, affordable near-infrared spectrometer. This flexible tool contains everything a designer needs to start developing a DLP-based spectrometer right out of the box. The EVM features the DLP 0.45 WXGA NIR (...)
| Package | Pins | Download |
|---|---|---|
| PDIP (N) | 14 | View options |
| SOIC (D) | 14 | View options |
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