Evaluation Kit for the MAX9926U

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The MAX9926U evaluation kit (EV kit) is a fully assembled and tested circuit board that contains a dual-channel differential variable-reluctance (VR or magnetic pickup) sensor interface circuit using a MAX9926U IC in a 16-pin QSOP package. The dual-channel interface circuit also features differential amplifiers for evaluating a pair of differential or single-ended VR sensor signals and provides a gain of 1. Input power to the EV kit circuit can be supplied by a 4.5V to 5.5V DC source. The MAX9926U IC temperature range is -40°C to +125°C. The EV kit uses automotive power-train safety-equipment-rated ceramic capacitors with a temperature range of -55°C to +125°C.

The MAX9926U EV kit circuit can be configured to demonstrate the MAX9926U IC's operation with internal adaptive peak threshold and zero-crossing detection modes, as well as to interface to a microcontroller pulse-width modulation (PWM) signal for evaluating external thresholds. It can interface to both differential as well as single-ended VR sensors. The EV kit can evaluate external VR signals from 5Hz to 25kHz.

Key Features

  • Demonstrates the Operation of MAX9926U Modes A1, A2, and B
  • Evaluates Dual Differential and Single-Ended Variable-Reluctance (VR or Magnetic Pickup) Sensors
  • Demonstrates Zero Crossing, Peak Detection, Adaptive Threshold Mechanism, and Rotation Direction
  • Includes Lowpass Sensor Input Filters
  • Evaluates 5Hz to 25kHz VR Sensors
  • Fully Assembled and Tested


  • Camshaft VRS Interfaces
  • Crankshaft VRS Interfaces
  • Vehicle Speed VRS Interfaces

Quality and Environmental Data

Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >


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