Maxim Integrated MAXREFDES16 Novato Reference Design

MAX31730AUB+T
MAX31730ATC+T
MAX31730AUB+
MAX31730UEVKIT#
MAX31730TEVKIT#
MAXREFDES16#

Features
2-, 3-, or 4-Wire RTD Sensor Input
-200°C to +850°C Measured Temperature Range
-40°C to +85°C Operating Range
0.03°C Temperature Resolution
< 0.05% Span Error or ±0.2°C at +23°C (Whichever is Greater)
< 0.1% Span Error or ±1.0°C Over Operating Range
12V to 40V Supply VOLTAGE Range
200µA RTD Excitation Current
Auto Compensation of Wire Resistance for 3-Wire RT

4-20mA Current Loop Output
10Ω to 1kΩ Loop Load
Highway Addressable Remote Transducer (HART) Communication Protocol Requires MINIMUM Load of 230Ω
Sensor Burnout Detection
Namur Down Scale: < 3.2mA
Namur Up Scale: Programmable from 20.5mA to > 24mA
Loop Current Limiter: 30mA ±5mA
HART Protocol Compatible

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