Monday, 13 February 2012

Bidirectional Current Sensor

Bidirectional Current Sensor

Bidirectional Hall Effect Based Linear Current Sensor with
Voltage Isolation and 20 A Dynamic Range

The Allegro ACS706 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.
Current Input Range Min -20 A Max 20 A
Output Voltage versus Current Input (Vcc = 5V)

• Small footprint, low-profile SOIC8 package
• 1.5 mΩ internal conductor resistance
• Excellent replacement for sense resistors
• 1600 VRMS minimum isolation voltage between pins 1-4 and 5-8
• 4.5 to 5.5 V, single supply operation
• 50 kHz bandwidth
100 mV/A output sensitivity and 20 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

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