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MAX9927 Datasheet Variable Reluctance Sensor Interfaces

Manufacturer: Maxim Integrated (now Analog Devices)

Download the MAX9927 datasheet PDF. This datasheet also includes the MAX9924 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (MAX9924_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

General Description

The MAX9924–MAX9927 variable reluctance (VR or magnetic coil) sensor interface devices are ideal for position and speed sensing for automotive crankshafts, camshafts, transmission shafts, etc.

These devices integrate a precision amplifier and comparator with selectable adaptive peak threshold and zero-crossing circuit blocks that generate robust output pulses even in the presence of substantial system noise or extremely weak VR signals.

The MAX9926/MAX9927 are dual versions of the MAX9924/MAX9925, respectively.

Overview

Click here for production status of specific part numbers.

MAX9924–MAX9927 Variable Reluctance Sensor Interfaces with Differential Input and Adaptive Peak Threshold.

Key Features

  • Differential Input Stage Provides Enhanced Noise Immunity.
  • Precision Amplifier and Comparator Allows Small-Signal Detection.
  • User-Enabled Internal Adaptive Peak Threshold or Flexible External Threshold.
  • Zero-Crossing Detection Provides Accurate Phase Information.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX9920 Current-Sense Amplifiers
MAX9921 2-Wire Hall-Effect Sensor Interface
MAX9922 High-Side Current-Sense Amplifiers
MAX9923 High-Side Current-Sense Amplifiers
MAX9924 Variable Reluctance Sensor Interfaces
MAX9925 Variable Reluctance Sensor Interfaces
MAX9926 Variable Reluctance Sensor Interfaces
MAX9928 Current-Sense Amplifiers
MAX9929 Current-Sense Amplifiers
MAX9910 (MAX9910 - MAX9913) Rail-to-Rail I/O Op Amps