Current sensor ic with programmed sensitivity Allegro ACS70331EESATR-2P5B3 featuring gmr technology
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Product Description
Product Overview
The Allegro ACS70331 is a high-sensitivity, 1 MHz GMR-based current sensor IC designed for
Product Attributes
- Brand: Allegro MicroSystems
- Technology: Giant Magneto-Resistive (GMR)
Technical Specifications
| Model | Current Sensing Range (IPR) | Sensitivity (Typ) (mV/A) | Zero Current Output Voltage (Typ) (V) | Bandwidth (MHz) | Response Time (ns) | Supply Voltage (VCC) | Primary Conductor Resistance (Typ) | Package | Temperature Range (C) |
|---|---|---|---|---|---|---|---|---|---|
| ACS70331EESATR-2P5U3 | 0 to 2.5 A | 800 | 0.25 | 1 | 535 | 3.3 | 1.1 m (QFN-12) | 12-contact QFN | -40 to 85 |
| ACS70331EESATR-2P5B3 | 2.5 A | 400 | 1.5 | 1 | 535 | 3.3 | 1.1 m (QFN-12) | 12-contact QFN | -40 to 85 |
| ACS70331EESATR-005U3 | 0 to 5 A | 400 | 0.25 | 1 | 535 | 3.3 | 1.1 m (QFN-12) | 12-contact QFN | -40 to 85 |
| ACS70331EESATR-005B3 | 5 A | 200 | 1.5 | 1 | 535 | 3.3 | 1.1 m (QFN-12) | 12-contact QFN | -40 to 85 |
| ACS70331EOLCTR-2P5U3 | 0 to 2.5 A | 800 | 0.25 | 1 | 535 | 3.3 | 1.7 m (SOIC-8) | 8-lead SOIC | -40 to 85 |
| ACS70331EOLCTR-2P5B3 | 2.5 A | 400 | 1.5 | 1 | 535 | 3.3 | 1.7 m (SOIC-8) | 8-lead SOIC | -40 to 85 |
| ACS70331EOLCTR-005U3 | 0 to 5 A | 400 | 0.25 | 1 | 535 | 3.3 | 1.7 m (SOIC-8) | 8-lead SOIC | -40 to 85 |
| ACS70331EOLCTR-005B3 | 5 A | 200 | 1.5 | 1 | 535 | 3.3 | 1.7 m (SOIC-8) | 8-lead SOIC | -40 to 85 |
Key Features
- High sensitivity current sensor IC for sensing up to 5 A (DC or AC)
- 1 MHz bandwidth with response time <550 ns
- Low noise: 8 mA(rms) at 1 MHz
- Non-ratiometric, analog output proportional to AC and DC current
- Single 3.3 V supply operation
- High DC PSRR enables use with low accuracy power supplies or batteries (3 to 4.5 V operation)
- 1.1 m primary conductor resistance (QFN-12) results in low power loss
- Small surface mount QFN-12 and SOIC-8 packages for space-constrained applications
Application Scenarios
- Current sensing applications up to 5 A
Important Note
The ACS70331 has been determined to be NOT FOR NEW DESIGN. Sale of this device is currently restricted to existing customer applications. The device should not be purchased for new design applications because obsolescence in the near future is probable. Samples are no longer available.
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