Fully-integrated in-circuit current sensor ALLEGRO MICROSYSTEMSACS704
Fully Integrated, Hall Effect-Based Linear Current Sensor with Voltage Isolation and a Low-Resistance Current Conductor
Pin-Out or Package
These parts are in production but have been determined to be LAST TIME BUY. This classification indicates that the product is obsolete and notice has been given. Sale of this device is currently restricted to existing customer applications. The device should not be purchased for new design applications because of obsolescence in the near future. Samples are no longer available. For new customers or new applications, please refer to ACS712.
Features and Benefits
* Small footprint, low-profile SOIC8 package
* 1.5 mΩ internal conductor resistance
* Excellent replacement for sense resistors
* 800 VRMS minimum isolation voltage beween pins 1-4 and 5-8
* 4.5 to 5.5 V, single supply operation
* 50 kHz bandwidth
* 133 mV/A output sensitivity and 15 A dynamic range
* Output voltage proportional to ac and dc currents
* Factory-trimmed for accuracy
* Extremely stable output offset voltage
* Near-zero magnetic hysteresis
* Ratiometric output from supply voltage
Description
The Allegro ACS704 family of current sensors provides economical and precise solutions for current sensing in industrial, automotive, commercial, and communications systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.
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