Parametric measurement unit (PMU)

Products and reference designs

Parametric measurement unit (PMU)

Block diagram

Overview

Our integrated circuits and reference designs help you create high-accuracy parametric measurement unit (PMU) designs at wafer, package and board levels enabling dense solutions for a high number of channels while minimizing channel-to-channel variation.

Design requirements

Next-generation PMU designs often require:

  • Highest levels of speed and accuracy through data acquisition channels.
  • Tight temperature controls to minimize measurement drift.
  • Precise reference voltage generation to improve measurement accuracy.
  • Low jitter clock distribution to maximize signal-to-noise ratio (SNR) performance.
  • Highly-integrated, low-height power modules minimizing board-to-board spacing.

Block diagram

Find products and reference designs for your system.

Parametric measurement unit (PMU)

Please try to keep your diagram above this line. Please try to keep your diagram above this line. Please try to keep your diagram above this line. Please try to keep your diagram above this line. Please keep your diagram within the guides Please keep your diagram within the guides Please keep your diagram within the guides Please keep your diagram within the guides Please place the top of your diagram at the top guide. Please place the top of your diagram at the top guide. DUT Board DUTBoard Switching: Solid State, Relays, and Pogo Pins Switching: Solid State, Relays, and Pogo Pins Relay Relay EEPROM EEPROM Relay Relay Relay Relay Relay Relay Logic Logic MUX MUX MUX MUX MUX MUX MUX MUX I/O Expander I/OExpander MOSFET MOSFET PC PC Pin Measurement Unit / Pin Electronics Pin Measurement Unit / Pin Electronics Force Voltage / Current Force Voltage / Current Buffer Buffer DAC DAC Relay Relay Amp Amp Gain / Attn. Analog SW Gain / Attn.Analog SW Logic Logic TVS TVS Voltage Reference VoltageReference Sense Voltage / Current Sense Voltage / Current Buffer Buffer Relay Relay Amp Amp Gain / Attn. Analog SW Gain / Attn.Analog SW Logic Logic TVS TVS ADC ADC Voltage Reference VoltageReference Device Power Supply Device Power Supply Voltage Reference VoltageReference Comp Comp Amp Amp Current Sensing CurrentSensing Diff Amp DiffAmp DAC DAC Memory Memory DDR Power DDR Power Flash Flash DDR SDRAM DDR SDRAM DDR SW / MUX DDRSW / MUX Voltage Level Translator Voltage LevelTranslator Arbitrary Waveform Generator Arbitrary Waveform Generator DAC DAC LPF LPF Buffer Buffer MUX MUX Digital Processing Digital Processing Processor (DSP) Processor (DSP) FPGA FPGA - or - - or - Internal Calibration Internal Calibration Temperature Sensing TemperatureSensing Voltage Reference VoltageReference Current Sensing CurrentSensing ADC ADC Amp Amp Amp Amp DAC DAC Gain Setting Analog Switch Gain SettingAnalog Switch Digital Potentiometer DigitalPotentiometer Status Signaling Status Signaling LED Driver LED Driver Status LED StatusLED Clocking Clocking Clock Oscillator ClockOscillator Low Jitter Clock Gen Low JitterClock Gen PLL PLL Logic Logic External Clock ExternalClock Clock Buffer Clock Buffer MUX MUX Signal Input/Output Protection Signal Input/Output Protection ESD Protection ESDProtection TVS Protection TVSProtection Module Power Supply Module Power Supply Power Sequencer Power Sequencer DC/DC Module DC/DCModule Hot Swap Controller Hot Swap Controller Fan Control Fan Control Motor Driver MotorDriver Fan Fan Temp Sensor TempSensor Wired Interface Wired Interface Digital Isolator DigitalIsolator Voltage Level Translator Voltage LevelTranslator Buffer, Driver Receiver Buffer, Driver Receiver RS-485 RS-232 RS-485RS-232 I2C SW / MUX I2CSW / MUX I2C I/O Expander I2C I/O Expander System Power Supply System Power Supply EMI Filter EMIFilter Rectifier Rectifier PFC Controller PFC Controller Gate Driver Gate Driver HV MOSFET HV MOSFET Temperature Sensing TemperatureSensing Isolated DC/DC Buck IsolatedDC/DC Buck LV MOSFET LVMOSFET Voltage Supervisor Voltage Supervisor eFuse Current Limiter eFuse Current Limiter Amp Amp Current Sensing Current Sensing Shunt Reference Shunt Reference Comp Comp

Technical documentation

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Type Title Date
Application brief Precision ADC for Measuring Analog Outputs of Parametric Measurement Unit (PMU) (Rev. B) PDF | HTML 14 Jan 2025
Application brief Pairing up Op Amp and Buffer for Higher Output Power Plus Speed in ATE 11 May 2022
Application brief How to Select Precision Amplifiers for Semiconductor Testers (Rev. A) PDF | HTML 08 May 2022
Application note When to Replace a Relay With a Multiplexer (Rev. A) PDF | HTML 07 Jun 2024
Application brief Solving Power Design Challenges in Semiconductor Test and ATE Applications PDF | HTML 02 Aug 2024

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