AM452 Datasheet (Analog Microelectronics) - Voltage-to-current transducer

AM452, Voltage-to-current transducer

3 ELECTRICAL SPECIFICATIONS 4 BOUNDARY CONDITIONS 7 DETAILED DESCRIPTION OF FUNCTIONS 8 Instrumentation amplifier (IA) 8 Operational amplifier stage (OP1) 8 Zero adjust stage 8 SET stage 8 Voltage-to-current converter (V/I converter) 8 Reference voltage source 8 Additional operat

AM452 Voltage-to-current transducer IC with a differential input PRINCIPLE FUNCTION Amplification and conversion of differential input voltages (±400mV with a CMIR of 1.5 VCC-3V) into an adjustable current output of 0/420mA, for example.

The offset and maximum output currents are independently adjustable in a wide range.

The IC is suitable for both 2- and 3-wire applications and as a HART® carrier IC.

VCC = 6…35V Differential input ± 400mV AM452 IOUT = z.B.0/420mA VREF= 5