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Speed and Direction, Speed Sensor ICs

VM Series

Anisotropic Magnetoresistive (AMR) sensor ICs. Detects speed, direction, position ring magnet encoder target

VM Series

Distributor Inventory

Honeywell’s VM Series Anisotropic Magnetoresistive (AMR) Integrated Circuit (IC) product line is designed to detect the speed and direction of a ring magnet encoder target using a unique (patent pending) bridge design and configuration. The three offerings include 2- and 4-pin AMR sensors to be used in speed, speed and position sensing in transmissions, engine cranks, wheel speed measurement, integrated bearings and seals and for shaft speed measurement in pumps, motors and compressors.

These products are designed to provide increased flexibility and may be used in most types of mounting configurations.

Honeywell’s unique solution utilizes the AMR bridge in saturation, which provides a more stable output response when the system has vibration, sudden air gap changes, or target runout without requiring complex magnitude compensation algorithms.

The AMR signal has greater sensitivity than Hall-effect sensor ICs, and does not require automatic gain control or chopper stabilization that can lead to increased jitter over the operating range.

Features
  • Integrated speed and direction or speed only sensor IC
  • Quadrature output version
  • Pole size independent operation
  • -40°C to 150°C operating temperature range
  • Zero speed output
  • No calibration required
  • Insensitive to mechanical vibration
  • Protection against reverse polarity
  • Electrostatic Discharge (ESD) protected
  • Co-packaged capacitor (2-pin versions)
  • ISO26262 ASIL-B(D) conforming*
  • AEC-Q100H Grade 0 qualified*

*VM721V1, VM721D1 only

Others

  • Storage Temperature
    • -40°C to 150°C [-40°F to 302°F]
  • Switching Time Fall (90 % to 10 %)
    • 8 µs max.
  • Operating Temperature
    • -40°C to 150°C [-40°F to 302°F]
  • Magnetic Actuation Type
    • AMR bridge array
  • Output Type
    • 4-pin quadrature, open collector
    • 2-pin PWM current
    • 2-pin current
  • Supply Current
    • 20 mA max.
    • High: 14 mA typ., low: 6.95 mA typ.
  • Output Current
    • 20 mA max.
  • Package Type
    • 4-pin SIP, 500 units/bag
    • 2-pin SIP, 500 units/bag
  • Leakage Current
    • 10 µA max.
  • Product Type
    • Anisotropic magnetoresistive (AMR) speed, direction, or position sensor IC
    • Anisotropic magnetoresistive (AMR) speed and direction sensor IC
    • Anisotropic magnetoresistive (AMR) speed sensor IC
  • Supply Voltage
    • 4 Vdc to 24 Vdc (-40°C to 110°C), 4.0 V to 9 V (150°C)
    • 4 Vdc to 24 Vdc
  • Series Name
    • VM
  • Output Voltage
    • 0.4 Vdc max.
  • Switching Time Rise (10 % to 90 %)
    • 1.5 µs max.
    • 8 µs max.

Others

  • Storage Temperature
    • -40°C to 150°C [-40°F to 302°F]
  • Switching Time Fall (90 % to 10 %)
    • 8 µs max.
  • Operating Temperature
    • -40°C to 150°C [-40°F to 302°F]
  • Magnetic Actuation Type
    • AMR bridge array
  • Output Type
    • 4-pin quadrature, open collector
    • 2-pin PWM current
    • 2-pin current
  • Supply Current
    • 20 mA max.
    • High: 14 mA typ., low: 6.95 mA typ.
  • Output Current
    • 20 mA max.
  • Package Type
    • 4-pin SIP, 500 units/bag
    • 2-pin SIP, 500 units/bag
  • Leakage Current
    • 10 µA max.
  • Product Type
    • Anisotropic magnetoresistive (AMR) speed, direction, or position sensor IC
    • Anisotropic magnetoresistive (AMR) speed and direction sensor IC
    • Anisotropic magnetoresistive (AMR) speed sensor IC
  • Supply Voltage
    • 4 Vdc to 24 Vdc (-40°C to 110°C), 4.0 V to 9 V (150°C)
    • 4 Vdc to 24 Vdc
  • Series Name
    • VM
  • Output Voltage
    • 0.4 Vdc max.
  • Switching Time Rise (10 % to 90 %)
    • 1.5 µs max.
    • 8 µs max.
  • Storage Temperature : -40°C to 150°C [-40°F to 302°F]
  • Switching Time Fall (90 % to 10 %) : 8 µs max.
  • Operating Temperature : -40°C to 150°C [-40°F to 302°F]
  • Magnetic Actuation Type : AMR bridge array
  • Output Type : 4-pin quadrature, open collector|2-pin PWM current|2-pin current
  • Supply Current : 20 mA max.|High: 14 mA typ., low: 6.95 mA typ.
  • Output Current : 20 mA max.
  • Package Type : 4-pin SIP, 500 units/bag|2-pin SIP, 500 units/bag
  • Leakage Current : 10 µA max.
  • Product Type : Anisotropic magnetoresistive (AMR) speed, direction, or position sensor IC|Anisotropic magnetoresistive (AMR) speed and direction sensor IC|Anisotropic magnetoresistive (AMR) speed sensor IC
  • Supply Voltage : 4 Vdc to 24 Vdc (-40°C to 110°C), 4.0 V to 9 V (150°C)|4 Vdc to 24 Vdc
  • Series Name : VM
  • Output Voltage : 0.4 Vdc max.
  • Switching Time Rise (10 % to 90 %) : 1.5 µs max.|8 µs max.
Technical Note
Name
Description
File Size
Date
Size
AMR Ring Magnet Sensor IC Jitter Test Performance Results
710.74 KB
9/10/2020
PDF 710.74 KB
Magnetic Sensor IC Selection Chart
178.38 KB
9/10/2020
PDF 178.38 KB
Magnetic Sensor IC Product Line Card
438.61 KB
9/10/2020
PDF 438.61 KB
VM721D1 highres photo
158.88 KB
9/10/2020
158.88 KB
VM821Q1 highres photo
83.63 KB
9/10/2020
83.63 KB
VM721V1 highres photo
131.29 KB
9/10/2020
131.29 KB
VM721V1 CAD Model
44.68 KB
10/19/2020
44.68 KB
VM721D1 CAD Model
44.66 KB
10/19/2020
44.66 KB
VM821Q1 CAD Model
18.14 KB
10/19/2020
18.14 KB
Manuals and Guides
Name
Description
File Size
Date
Size
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
796.92 KB
9/10/2020
PDF 796.92 KB
VM721V1 AMR 2-Pin Speed Sensor Integrated Circuit
847.99 KB
9/10/2020
PDF 847.99 KB
VM721D1 AMR 2-Pin PWM Speed and Direction Sensor Integrated Circuit
853.37 KB
9/10/2020
PDF 853.37 KB
Data Sheet
Name
Description
File Size
Date
Size
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
973.75 KB
9/10/2020
PDF 973.75 KB
VM721V1 AMR 2-Pin Speed Sensor Integrated Circuit
1.03 MB
9/10/2020
PDF 1.03 MB
VM721D1 AMR 2-Pin PWM Speed and Direction Sensor Integrated Circuit
1.04 MB
9/10/2020
PDF 1.04 MB
Application Note
Name
Description
File Size
Date
Size
Speed and Direction Sensing in Transmission Applications Using Multipole Ring Magnet Encoder Targets
640.3 KB
9/10/2020
PDF 640.3 KB
Speed and Direction Sensing in Wheel Speed Applications Using Multipole Ring Magnet/Encoder Targets
605.89 KB
9/10/2020
PDF 605.89 KB
Brochure
Name
Description
File Size
Date
Size
Position Sensors Range Guide
1.93 MB
9/10/2020
PDF 1.93 MB
Others
Name
Description
File Size
Date
Size
VM821Q1 lowres photo
10.67 KB
9/10/2020
10.67 KB
VM721V1 lowres photo
16.09 KB
9/10/2020
16.09 KB
VM721D1 lowres photo
16.74 KB
9/10/2020
16.74 KB
Name
Description
File Size
Date
Size
AMR Ring Magnet Sensor IC Jitter Test Performance Results
710.74 KB
9/10/2020
PDF 710.74 KB
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
796.92 KB
9/10/2020
PDF 796.92 KB
VM721V1 AMR 2-Pin Speed Sensor Integrated Circuit
847.99 KB
9/10/2020
PDF 847.99 KB
VM721D1 AMR 2-Pin PWM Speed and Direction Sensor Integrated Circuit
853.37 KB
9/10/2020
PDF 853.37 KB
VM821Q1 AMR 4-Pin Quadrature Sensor Integrated Circuit
973.75 KB
9/10/2020
PDF 973.75 KB
Speed and Direction Sensing in Transmission Applications Using Multipole Ring Magnet Encoder Targets
640.3 KB
9/10/2020
PDF 640.3 KB
VM721V1 AMR 2-Pin Speed Sensor Integrated Circuit
1.03 MB
9/10/2020
PDF 1.03 MB
Speed and Direction Sensing in Wheel Speed Applications Using Multipole Ring Magnet/Encoder Targets
605.89 KB
9/10/2020
PDF 605.89 KB
VM721D1 AMR 2-Pin PWM Speed and Direction Sensor Integrated Circuit
1.04 MB
9/10/2020
PDF 1.04 MB
VM821Q1 lowres photo
10.67 KB
9/10/2020
10.67 KB
VM721V1 lowres photo
16.09 KB
9/10/2020
16.09 KB
VM721D1 lowres photo
16.74 KB
9/10/2020
16.74 KB
Magnetic Sensor IC Selection Chart
178.38 KB
9/10/2020
PDF 178.38 KB
Magnetic Sensor IC Product Line Card
438.61 KB
9/10/2020
PDF 438.61 KB
VM721D1 highres photo
158.88 KB
9/10/2020
158.88 KB
VM821Q1 highres photo
83.63 KB
9/10/2020
83.63 KB
VM721V1 highres photo
131.29 KB
9/10/2020
131.29 KB
VM721V1 CAD Model
44.68 KB
10/19/2020
44.68 KB
VM721D1 CAD Model
44.66 KB
10/19/2020
44.66 KB
VM821Q1 CAD Model
18.14 KB
10/19/2020
18.14 KB
Position Sensors Range Guide
1.93 MB
9/10/2020
PDF 1.93 MB