1B22 Datasheet - Analog Devices

Programmable/ Isolated Voltage-to-Current Converter

1B22 Features

* Internal Isolated Loop Supply Drives 1000 ⍀ Load Pin Programmable Inputs: 0 V to +5 V or 0 V to +10 V Pin Programmable Outputs: 4 to 20 mA or 0 to 20 mA High CMV Isolation: 1500 V RMS Normal-Mode Output Protection: 240 V RMS High Accuracy Low Offset Tempco: ؎300 nA/؇ C Low Gain Tempco: ؎ 50 ppm/؇ C

1B22 General Description

Programmable, Isolated Voltage-to-Current Converter 1B22 FUNCTIONAL BLOCK DIAGRAM IN1 IN2 4mA OFFSET S. NODE RESISTOR NETWORK REF 1B22 SIGNAL ISOLATION DEMODULATOR PROT OUT HI OUT LO MODULATOR SYNC +15V *15V A. COM POWER ISOLATION OSCILLATOR RECTIFIER/ LOOP SUPPLY P. COM VLOOP DESIGN.

1B22 Datasheet (232.64 KB)