0
ACTIVE
Vs (min) (V) |
4.5 |
Vs (max) (V) |
5.5 |
Offset voltage drift (±) (max) (µV/°C) |
0.1 |
Offset voltage (±) (max) (mV) |
0.05 |
Product type |
2-wire RTD conditioner |
Operating temperature range (°C) |
-40 to 85 |
Rating |
Catalog |
SSOP (DBQ)-24-51.9 mm² 8.65 x 6
SPI is a trademark of Motorola, Inc. All other trademarks are the property of their respective owners.
The XTR108 is a "smart", programmable, 4-20mA, two-wire transmitter 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. Non-volatile ex-ternal EEPROM stores 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. Programmable level shifting compensates for sensor DC offsets. Selectable up- and down-scale output indicates out-of-range and burn-out per NAMUR NE43. Automatic reset is initiated when supply is lost.
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