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US1881

Features: ·Chopper stabilized amplifier stage·Optimized for BDC motor applications·New miniature package / thin, high reliability package· Operation down to 3.5V·CMOS for optimum stability, quality and costApplication· Solid state switch· Brushless DC motor commutation· Speed sensing· Linear posit...

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SeekIC No. : 004538601 Detail

US1881: Features: ·Chopper stabilized amplifier stage·Optimized for BDC motor applications·New miniature package / thin, high reliability package· Operation down to 3.5V·CMOS for optimum stability, quality ...

US1881 Data Sheet

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Part Number:
US1881
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/29

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Product Details

Description



Features:

·Chopper stabilized amplifier stage
·Optimized for BDC motor applications
·New miniature package / thin, high reliability package
· Operation down to 3.5V
·CMOS for optimum stability, quality and cost


Application

· Solid state switch
· Brushless DC motor commutation
· Speed sensing
· Linear position sensing
· Angular position sensing
· Current sensing


Specifications

pply Voltage (Operating), VDD 3.5V to 24V
Supply Current (Fault), IDD 50mA
Output Voltage, VOUT 3.5V to 24V
Output Current (Fault), IOUT 50mA
Power Dissipation, PD 100mW
Operating Temperature Range, TA -40 to 150°C
Storage Temperature Range, TS -65°C to 150°C
Maximum Junction Temp,TJ 175°C



Description

The US1881 is the industry's first Hall integrated circuit in a SOT-23 package. The US1881 is a bipolar Hall effect sensor IC fabricated from mixed signal CMOS technology. It incorporates advanced chopper stabilization techniques to provide accurate and stable magnetic switch points. There are many applications for this HED US1881 in addition to those listed above. The design, specifications and performance have been optimized for commutation applications in
5V and 12V brushless DC motors.

The output transistor of US1881 will be latched on (BOP) in the presence of a sufficiently strong South pole magnetic field facing the marked side of the package. Similarly, the output will be latched off (BRP) in the presence of a North field.

The SOT-23 device US1881 is reversed from the UA package. The SOT-23 output transistor will be latched on in the presence of a sufficiently strong North pole magnetic field applied to the marked face.




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