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MAX9921AUBT

Sensor Interface Dual, 2-Wire Hall-Effect Sensor Interface with Diagnostics

Product Category: Sensor Interface
Mfr. Part #
MAX9921AUB+T
Manufacturer: Analog Devices Inc.
Package: Reel
Lead Free Status /RoHS Status:
Data Sheet: MAX9921AUB+T Datasheet
Inventory: In Stock

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Mfr. Part #: MAX9921AUB+T

Specifications
Product Details

Specifications

Manufacturer Analog Devices Inc.

Type Hall-Effect Sensor Interface

Interface Type Serial, 2-Wire

Supply Voltage - Max 18 V

Supply Voltage - Min 6 V

Operating Supply Current 1 mA

Minimum Operating Temperature - 40 C

Maximum Operating Temperature + 125 C

Mounting Style SMD/SMT

Package / Case UMAX-10

Packaging Reel

Features Diagnostics

Input Type Voltage

Output Current 1 mA

Output Type Logic

Series MAX9921

Brand Analog Devices / Maxim Integrated

Operating Supply Voltage 6 V to 18 V

Pd - Power Dissipation 444.4 mW

Product Type Sensor Interface

Standard Pack Qty 2500

Subcategory Interface ICs

Product Details

General Description

The MAX9921 provides a single chip solution to interface two 2-wire Hall-effect sensors to a low-voltage microprocessor (ÂµP). This device supplies and monitors the current drawn by two Hall-effect sensors, filters the sensed current level, and outputs the corresponding logic level.

Features

â™¦ Withstands 60V at BAT Supply and Hall Inputs
â™¦ 6V to 18V Operating Voltage Range
â™¦ Provides Supply Current and Interfaces to Two 2-Wire Hall Sensors
â™¦ Error Output with Diagnostics of Hall Inputs and BAT Voltage
â™¦ Protects Hall Sensors from Overvoltage by Isolating Them from Supply Transients
â™¦ Hall Inputs Protected from Short to Ground
â™¦ Ramps Current to Hall Sensors at 4mA/Âµs
â™¦ Output Enable Input Allows Multiplexing of Outputs from Multiple MAX9921s
â™¦ Hall Output Filtering
â™¦ Hall Sensor Blanking Following Hall Sensor Power-Up or Restart
â™¦ Low-Power Shutdown, Controlled with OE and DIAG Inputs
â™¦ Operates with Â±2V Ground Shifts Between Hall Sensor and MAX9921

Applications

Door Modules
Window Lifters
Seat Movers
Electric Sunroofs
Powered Lift Gate Controllers
Powered Running Boards
Seatbelt Buckles

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Mfr. Part #: MAX9921AUB+T