Dual Variable Reluctance Sensor Interface IC
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NCV1124 Dual Variable−Reluctance Sensor Interface IC
The NCV1124 is a monolithic integrated circuit...
Description
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NCV1124 Dual Variable−Reluctance Sensor Interface IC
The NCV1124 is a monolithic integrated circuit designed primarily to condition signals from sensors used to monitor rotating parts. The NCV1124 is a dual channel device. Each of the two identical channels interfaces with a variable−reluctance sensor, and continuously compares the sensor output signal to a user−programmable internal reference. An alternating input signal of appropriate amplitude at IN1 or IN2 will result in a rectangular waveform at the corresponding OUT terminal, suitable for interface to either standard microprocessors or standard logic families. A diagnostic input, common to both channels, provides a means to test for degradation or loss of the physical connector to both sensors.
Typical Applications http://onsemi.com
8 1 SO−8 CASE 751
Anti−Skid Braking and Traction Control Vehicle Stability Control Drive Belt Slippage Detection Crankshaft/Camshaft Position Sensing Two Independent Channels Internal Hysteresis Built−In Diagnostic Mode Designed to Work from a 5.0 V "10% Supply Site and Control for Automotive Applications Pb−Free Packages are Available
VCC
MARKING DIAGRAM
8 V1124 ALYW4 G 1 V1124 A L Y W G = Device Code = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package
Features
VCC VCC VCC INP1 DIAG R1 IN1 C1
+ −
VCC OUT1 To mP
PIN CONNECTIONS
1 INAdj IN1 IN2 GND 8 VCC OUT1 OUT2 DIAG
INAdj
RRS VRS
Active Clamp VCC INP2
COMP1
ORDERING INF...
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