
Texas Instruments XTR108 4-20mA Two-Wire Transmitter
Texas Instruments XTR108 4-20mA Two-Wire Transmitter is a "smart," programmable device that is designed for temperature and bridge sensors. Zero, span, and linearization errors in the analog signal path can be calibrated via a standard digital serial interface, eliminating manual trimming. This TI two-wire transmitter features on-volatile external EEPROM for storing calibration settings. The all-analog signal path contains an input multiplexer, autozeroed programmable-gain instrumentation amplifier, dual programmable current sources, linearization circuit, voltage reference, sub-regulator, internal oscillator, control logic, and an output current amplifier. TI XTR108 is ideal for use in remote RTD transmitters, pressure bridge transmitters, SCADA remote data acquisition, and weighing systems.Features
- Complete Transmitter + RTD Linearization
- Two-wire, 4-20mA output
- Voltage output (0.5V to 4.5V)
- Eliminates potentiometers and trimming
- Digitally calibrated
- 5V Sub-regulator output
- Serial SPI Bus interface
Applications
- Remote RTD transmitters
- Pressure bridge transmitters
- Strain gage transmitters
- Scada remote data acquisition
- Weighing systems
- Industrial process control
Application Circuit

Additional Resources
TI Reference Designs Library

게시일: 2012-04-26
| 갱신일: 2023-10-31