MLX90323 Datasheet (Melexis) - 4 - 20 mA Loop Sensor Interface

MLX90323, 4 - 20 mA Loop Sensor Interface

VDD VBP VBN TMP GND FET VDD1 OFC Supply Regulator 3.5V DAC_Offset OPA 0V x 35 x2 INV Hardware Gain = 70 Coarse Offset FLT 1.24kOhm 2-bit CSGN GAIN 0.97V/V 0.48V/V Fine Gain DAC External Temp Sensor Internal Temp Sensor Temp Amp Gain GNTP [1:0] 3.5V ADC 0V MicroProcessor TSTB The IC

MLX90323 Features

* Programmable Sensor Interface IC with 4 to 20 mA current loop output

* Power supply from 6 to 35VDC

* External or internal temperature sensor for compensating temperature errors 2. Application Examples

* Industrial pressure transducers

* Strain gauges, accelerometers, position