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Digital multimeter (DMM)

Products and reference designs
Block diagram

Digital multimeter (DMM)

Block diagram

Overview

Our integrated circuits and reference designs help you design low-power and high-performing digital multimeter (DMM) designs capable of 4.5 to 8.5 digits of resolution.

Design requirements

    Modern digital multimeters often require:

  • High signal-to-noise ratio (SNR), dynamic range and bandwidth to enable high-precision RMS measurements.
  • Highly-integrated and efficient power systems.
  • Low drift over a wide range of temperature and electrical conditions.
  • Support for existing and upcoming wireless and wired interfaces.
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Block diagram

Find products and reference designs for your system.

Digital multimeter (DMM) - benchtop

Digital multimeter (DMM) - handheld

Digital multimeter (DMM) - handheld

Hi Hi COM COM Hi amps Hi amps Lo amps Lo amps Signal isolation Signal isolation Digital Isolator Digital Isolator Input interface Input interface Touch screen controller Touch screen controller User interface (HMI) User interface (HMI) Analog front end Analog front end Power management Power management Non-isolated DC/DC Non-isolated DC/DC Boost controller Boost controller Boost converter Boost converter Boost module Boost module V­­­­ₒ Vₒ V­­­­ᵢ Vᵢ Buck controller Buck controller Buck converter Buck converter Buck module Buck module V­­­­ₒ Vₒ V­­­­ᵢ Vᵢ LDO stage LDO stage LDO LDO LDO LDO LDO LDO LED driver LED driver Backlight Backlight RBGW RBGW Speaker amp Speaker amp Memory Memory Voltage supervisor Voltage supervisor Switches Switches DDR power DDR power SoC supply SoC supply PMIC PMIC Super cap Supercap System logic System logic Level shifter Level shifter Housekeeping MCU Housekeeping MCU Microcontroller Microcontroller Digital processing Digital processing FPGA FPGA Processor Arm® MPU ProcessorArm® MPU Precision buffer Precision buffer Amp Amp ADC driver ADC driver FDA FDA Precision ADC Precision ADC Prec. ADC Prec. ADC Wireless interface Wireless interface Wi-Fi Wi-Fi BLE BLE Relay driver Relay driver Signal path control Signal path control MUX MUX Input power protection Input power protection Hot swap Hot swap eFuse eFuse Battery fuel gauge Battery fuel gauge Battery charger IC Battery charger IC Buck-boost Buck-boost Load switch Load switch On-board calibration On-board calibration System temperature monitor System temperature monitor Temp sensor Temp sensor Voltage reference Voltage reference Calibration DAC Calibration DAC DAC DAC Low power conditioning Low power conditioning USB charging port controller USB charging port controller Sequencer Sequencer Shunt reference Shunt reference Input warning Input warning Comparator Comparator Current monitor Current monitor INA INA INA INA Input protection Input protection TVS TVS TVS TVS TVS TVS TVS TVS SDI SDI LVDS LVDS

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