Variable Reluctance Sensor Interfaces With Differential Input And Adaptive Peak Threshold

The MAX9924 MAX9925 MAX9926 MAX9927 variable reluctance (VR or mag- netic coil) Sensor Interface devices are ideal for position and speed sensing for automotive crankshafts, camshafts, transmission shafts, etc. These devices inte- grate 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. The MAX9924 MAX9926 combine matched resistors with a CMOS input precision Operational Amplifier to give high CMRR over a wide range of input frequencies and temperatures. The MAX9924 MAX9926 Differential Amplifiers provide a fixed gain of 1V/V. The MAX9925/MAX9927 make all three ter- minals of the internal Operational Amplifier available, allowing greater flexibility for gain. The MAX9926 also provides a direction output that is useful for quadrature- connected VR Sensors that are used in certain high-per- formance engines. These devices Interface with both new-generation differential VR Sensors as well as legacy single-ended VR Sensors The MAX9924 MAX9925 are available in the 10-pin MAX package, while the MAX9926/MAX9927 are available in the 16-pin QSOP package. All devices are specified over the -40C to +125C automotive temper- ature range. By Maxim Integrated Products
Part Manufacturer Description Datasheet Samples
MAX9924UEVKIT Maxim Integrated Products Evaluation Kit for the MAX9924U and MAX9925 (Variable-Reluctance Sensor Interface with Differential Input and Adaptive Peak Threshold)
MAX9924 's PackagesMAX9924 's pdf datasheet
MAX9925
MAX9926
MAX9927
MAX9924UAUB
MAX9925AUB
MAX9926UAEE
MAX9927AEE

MAX9924 pdf datasheet download


MAX9924 Pinout, Pinouts
MAX9924 pinout,Pin out
This is one package pinout of MAX9924,If you need more pinouts please download MAX9924's pdf datasheet.

MAX9924 Application circuits
MAX9924 circuits
This is one application circuit of MAX9924,If you need more circuits,please download MAX9924's pdf datasheet.


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