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Features 4-20 mA, 0-20 mA Output Ranges Precalibrated Input Ranges: 1 V to 2 V, 0 V to 10 V Precision Voltage Reference Programmable to 2.000 V to 10.000 V Single or Dual Supply Operation Wide Power Supply Range: +4.5 V to +36 V Wide Output Compliance Input Buffer Amplifier Open-Loop Alarm Optional External Pass Transistor to Reduce Self-Heating Errors 0.002% typ Nonlinearity

Pin Description Pin Number Description 1 FB - See Data Sheet 2 SIG- - Buffer Amplifier Inverting Input 3 SIG+ - Buffer Amplifier Noninverting Input 4 2V FS - 2V Full Scale 5 COM - Common 6 4mA ADJ - 4mA Adjustment 7 10V FORCE - See Data Sheet 8 2.0V SENSE - See Data Sheet 9 4mA ON/OFF - 4mA Control 10 ALARM - See Data Sheet 11 Iout - Current Output 12 BOOST - See Data Sheet 13 Vs - Positive Supply 14 BW ADJ - Bandwidth Adjustment 15 Vos ADJ - Voltage Offset Adjustment 16 Vos ADJ - Voltage Offset Adjustment

Pin Layout Dimensional Drawing

Technical Data Data Sheet Analog Devices - Data Sheet for AD694JN Application Notes