Coriolis Flowmeter Block Diagram

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FlowmeterElectromagnetic

Power Supply Block Upstream Pickup Amplifier Excitation Circuit DownStream Pickup Amplifier Analog Front End (AFE) IO-Link

(DC/DC) Power Supply Block

products Features
NJW1933 600mA,500kHz,Step-Down Switching Regulator in SOT23
NJW4153 Switching Regulator IC for Buck Converter Current Mode Control with 40V/1A MOSFET
NJW4170 Current Mode Control High Speed Frequency Internal 1A MOSFET Switching Regulator IC for Buck Converter
NJW4175(U.D.) 600mA MOSFET Switching Regulator IC for Synchronous Buck Converter

(LDO) Power Supply Block

products Features
NJM12888 LDO with Reverse Current Protection / Soft Start / Discharge Function
NJW4104 45V Io=200mA Ultra low Quiescent current LDO
NJW4182 High Voltage Ultra low current consumption Io=100mA LDO

(Op-Amp.) Upstream Pickup Amplifier

products Features
NJM8512 Precision, JFET Input Operational Amplifier
NJU7066 Precision, Low Noise, Rail-to-Rail Output, Excellent EMI Immunity, CMOS Operational Amplifiers
NJU7077 Precision, Low Noise, Rail-to-Rail Output, Excellent EMI Immunity, CMOS Operational Amplifiers

(Op-Amp.) Excitation Circuit

products Features
NJU77902 High Output Current, Rail-to-Rail Input/Output Dual CMOS Operational Amplifier
NJU77903 High Output Current, Rail-to-Rail Input/Output Single CMOS Operational Amplifiers

(Op-Amp.) Downstream Pickup Amplifier

products Features
NJU7066 Precision, Low Noise, Rail-to-Rail Output, Excellent EMI Immunity, CMOS Operational Amplifiers
NJU7077 Precision, Low Noise, Rail-to-Rail Output, Excellent EMI Immunity, CMOS Operational Amplifiers

(AFE) Analog Front End

products Features
NJU9103 Analog Front End with High Gain PGA

(IO-Link) Interface Block

products Features
NJW4805(U.D.) IO-Link Device Transceiver

(OSSD (Output Signal Switching Device)) Interface Block

products Features
NJW4820 Single Low Side Switch
NJW4822 1-Channel Low Side Switch
NJW4830 Single High Side Switch
NJW4832 1-Channel High Side Switch

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