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US4881

Features: · Chopper stabilized amplifier stage· Optimized for BDC motor applications· New miniature package / thin, high reliability package· Operation down to 2.2V· CMOS for optimum stability, quality, and cost· Low IDD currentApplication· Solid state switch· Brushless DC motor commutation· Speed...

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SeekIC No. : 004538668 Detail

US4881: Features: · Chopper stabilized amplifier stage· Optimized for BDC motor applications· New miniature package / thin, high reliability package· Operation down to 2.2V· CMOS for optimum stability, qual...

US4881 Data Sheet

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Part Number:
US4881
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: 2024/4/15

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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 2.2V
· CMOS for optimum stability, quality, and cost
· Low IDD current


Application

· Solid state switch
· Brushless DC motor commutation
· Speed sensing


Specifications

Supply Voltage (Operating), VDD ........  18V
Supply Current (Fault), IDD ...........50mA
Output Voltage, VOUT 18V
Output Current (Fault), IOUT ..........50mA
Power Dissipation, PD 100mW
Operating Temperature Range, TA ..-40 to 150°C
Storage Temperature Range, TS...  -65 to 150°C
Maximum Junction Temp, TJ ..........  175°C
ESD Sensitivity (All Pins) ............+/- 4KV


Description

The US4881 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 in addition to those listed above. The design of US4881 specifications and performance have been optimized for commutation applications in brushless DC motors and automotive speed sensing. The output transistor 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 of US4881 will be latched off (BRP) in the presence of a North field.

The SOT-23 device US4881 is reversed from the UA package. The SOT-23 output transistor will be latched on (BOP) in the presence of a sufficiently strong North pole magnetic field subjected to the marked face.




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