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ACS722LLCTR-20AU-T Hall Effect Sensor Unipolar 3.3V 8-Pin SOIC N T/R

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ACS722LLCTR-20AU-T Hall Effect Sensor Unipolar 3.3V 8-Pin SOIC N T/R:
The Allegro ACS722 current sensor IC is an economical and precise solution for AC or DC current sensing in industrial, commercial, and communications systems. The small package is ideal for space constrained applications while also saving costs due to reduced board area. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protectionThe device consists of a precise, low-offset, linear Hall sensor circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field which is sensed by the integrated Hall IC and converted into a proportional voltage. Device accuracy is optimized through the close proximity of the magnetic field to the Hall transducer. A precise, proportional voltage is provided by the low-offset, chopper-stabilized BiCMOS Hall IC, which includes Allegro’s patented digital temperature compensation, resulting in extremely accurate performance over temperature. The output of the device has a positive slope when an increasing current flows through the primary copper conduction path which is the path used for current sensing. The internal resistance of this conductive path is 0.65 mΩ typical, providing low power loss.The ACS722LLCTR-05AB-T is provided in a small, low profile surface mount SOIC8 package. The leadframe is plated with 100% matte tin

Key Features

  • Pin-selectable band width: 80 kHz for high bandwidth applications or 20 kHz for low noise performance
  • Small footprint, low-profile SOIC8 package suitable for space-constrained applications
  • 3 to 3.6 V, single supply operation
  • Output voltage proportional to AC or DC current
  • Factory-trimmed sensitivity and quiescent output voltage for improved accuracy
  • Chopper stabilization results in extremely stable quiescent output voltage
  • Nearly zero magnetic hysteresis
  • Ratiometric output from supply voltage
  • 3 to 3.6 V, single supply operation Industry-leading noise performance with greatly improved bandwidth through proprietary amplifier and filter design techniques
  • Small footprint, low-profile SOIC8 package suitable for space-constrained applications
  • Sens(Typ) at VCC = 3.3 V: 132 mV/A

Technical Attributes

 

Description
Value

 

Lead Finish
Matte Tin

 

Magnetic Type
Unipolar

 

Maximum Supply Current
12 mA

 

Module/IC Classification
IC

 

Mounting
Surface Mount

 

MSL Level
2

 

Operating Supply Voltage
3.3 V

 

Operating Temperature
-40 to 150 °C

 

Pin Count
8

 

Product Dimensions
4.9 x 3.9 x 1.5(Max)

 

Supplier Package
SOIC N

 

 

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