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The XTR115 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 XTR115 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 XTR115 is a fundamental building block of smart sensors using 4-to-20mA current transmission.
The XTR115 and XTR116 are specified for operation over the extended industrial temperature range, -40°C to +85°C.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | XTR115, XTR116: 4-20mA Current Loop Transmitters datasheet (Rev. A) | 21 Jul 2003 | |
| More literature | How to Select Amplifiers for Pressure Transmitter Applications (Rev. B) | PDF | HTML | 14 Feb 2023 | |
| Analog Design Journal | How to Design an Inexpensive HART Transmitter (Rev. A) | 18 May 2015 | ||
| Analog Design Journal | 4Q 2012 Issue Analog Applications Journal | 25 Sep 2012 | ||
| More literature | Using the XTR115 with the PGA309 to Generate 4mA to 20mA Output (Rev. B) | 20 Apr 2006 |
For additional terms or required resources, click any title below to view the detail page where available.
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| Package | Pins | Download |
|---|---|---|
| SOIC (D) | 8 | View options |
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