Datasheets
A1122EUA-T by: Allegro MicroSystems LLC

Hall Effect Sensor, 11mT Min, 20mT Max, 30-60mA, Rectangular, Through Hole Mount, SIP-3

Part Details for A1122EUA-T by Allegro MicroSystems LLC

Results Overview of A1122EUA-T by Allegro MicroSystems LLC

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Applications Automotive

A1122EUA-T Information

A1122EUA-T by Allegro MicroSystems LLC is a Magnetic Field Sensor.
Magnetic Field Sensors are under the broader part category of Sensors/Transducers.

Sensors and transducers detect and measure physical quantities like temperature, pressure, and force, converting them into electrical signals for various applications. Read more about Sensors/Transducers on our Sensors/Transducers part category page.

Price & Stock for A1122EUA-T

Part # Distributor Description Stock Price Buy
DISTI # 250-A1122EUA-T
Mouser Electronics Board Mount Hall Effect / Magnetic Sensors GENERAL PURPOSE UNIPOLAR SWITCH RoHS: Compliant 0
  • 8,000 $0.6440
  • 10,000 $0.6230
$0.6230 / $0.6440 Order Now
Future Electronics   RoHS: Not Compliant pbFree: No Min Qty: 8000 Package Multiple: 500 Lead time: 20 Weeks 0
  • 8,000 $0.4750
$0.4750 Buy Now

Part Details for A1122EUA-T

A1122EUA-T CAD Models

A1122EUA-T Part Data Attributes

A1122EUA-T Allegro MicroSystems LLC
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A1122EUA-T Allegro MicroSystems LLC Hall Effect Sensor, 11mT Min, 20mT Max, 30-60mA, Rectangular, Through Hole Mount, SIP-3
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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ALLEGRO MICROSYSTEMS LLC
Part Package Code SIP
Package Description SIP3,.02,50
Pin Count 3
Reach Compliance Code compliant
HTS Code 8542.39.00.01
Samacsys Manufacturer Allegro Microsystems
Additional Feature AEC-Q100; SHORT CIRCUIT PROTECTION
Body Breadth 1.52 mm
Body Height 4.12 mm
Body Length or Diameter 4.09 mm
Housing PLASTIC
Hysteresis 2.5 mT
Input Mode UNIPOLAR
JESD-609 Code e3
Magnetic Field Range-Max 20 mT
Magnetic Field Range-Min 11 mT
Mounting Feature THROUGH HOLE MOUNT
Number of Terminals 3
Operating Current-Max 4 mA
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output OPEN-DRAIN
Output Circuit Type TRANSISTOR
Output Current-Max 60 mA
Output Range 30-60mA
Output Type CURRENT OUTPUT
Package Body Material PLASTIC/EPOXY
Package Equivalence Code SIP3,.02,50
Package Shape/Style RECTANGULAR
Screening Level AEC-Q100
Sensors/Transducers Type MAGNETIC FIELD SENSOR,HALL EFFECT
Supply Voltage-Max 24 V
Supply Voltage-Min 3 V
Surface Mount NO
Technology BICMOS
Terminal Finish MATTE TIN
Termination Type SOLDER

Alternate Parts for A1122EUA-T

This table gives cross-reference parts and alternative options found for A1122EUA-T. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of A1122EUA-T, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
A3242LUA Allegro MicroSystems LLC Check for Price Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3 A1122EUA-T vs A3242LUA
A3241LUA Allegro MicroSystems LLC Check for Price Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3 A1122EUA-T vs A3241LUA
A3241LUA-T Allegro MicroSystems LLC Check for Price Analog Circuit, 1 Func, BICMOS, PSIP3, LEAD FREE, ULTRA MINI, SIP-3 A1122EUA-T vs A3241LUA-T
A3241EUA Allegro MicroSystems LLC Check for Price Analog Circuit, 1 Func, BICMOS, PSIP3, ULTRA MINI, SIP-3 A1122EUA-T vs A3241EUA

A1122EUA-T Frequently Asked Questions (FAQ)

  • Allegro provides a recommended PCB layout in the application note AN296068, which includes guidelines for trace routing, component placement, and thermal management to ensure optimal performance and minimize noise.

  • The A1122EUA-T does not require calibration. It has an internal calibration circuit that sets the gain and offset of the device. However, it's recommended to follow the application note AN296070 for guidelines on how to optimize the device's performance in your specific application.

  • The maximum allowable voltage on the VCC pin is 5.5V. Exceeding this voltage may damage the device. It's recommended to use a voltage regulator or a voltage clamp to ensure the voltage remains within the specified range.

  • The A1122EUA-T is rated for operation up to 150°C. However, the device's accuracy and reliability may degrade at high temperatures. It's recommended to follow the guidelines in the datasheet and application notes for thermal management and derating.

  • The A1122EUA-T has a differential output that can help reject common-mode noise. It's recommended to use a differential amplifier or a filter to further reduce noise and improve signal integrity. Additionally, follow proper PCB layout and shielding techniques to minimize electromagnetic interference.