Current sensor IC Allegro ACS70331EOLCTR-005U3 with low resistance primary conductor and high speed analog output signal
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Product Description
Product Overview
The Allegro ACS70331 is a high-sensitivity, integrated current sensor IC designed for
Product Attributes
- Brand: Allegro
- Technology: Giant Magneto-Resistive (GMR)
- Package Types: QFN-12, SOIC-8
Technical Specifications
| Feature/Model | Description | Value | Unit |
|---|---|---|---|
| General | High Sensitivity Current Sensor IC | Up to 5 A (DC or AC) | |
| Bandwidth | 1 | MHz | |
| Response Time | <550 | ns | |
| Low Noise | 8 | mA(rms) @ 1 MHz | |
| Output Type | Non-ratiometric, Analog | ||
| Supply Voltage | 3.3 | V | |
| Primary Conductor Resistance | 1.1 | m (QFN-12) | |
| 1.7 | m (SOIC-8) | ||
| Operating Conditions | Operating Temperature Range | -40 to 85 | C |
| Absolute Maximum Ratings | Supply Voltage (VCC) | 7 | V |
| Maximum Continuous Current (IP(max)) | 10 | A | |
| Package Details | QFN-12 Dimensions | 3 mm 3 mm 0.75 mm | |
| Selection Guide | ACS70331EESATR-2P5U3 | Current Sensing Range: 0 to 2.5 A, Sensitivity: 800 mV/A, Package: 12-contact QFN | |
| ACS70331EESATR-2P5B3 | Current Sensing Range: 2.5 A, Sensitivity: 400 mV/A, Package: 12-contact QFN | ||
| ACS70331EESATR-005U3 | Current Sensing Range: 0 to 5 A, Sensitivity: 400 mV/A, Package: 12-contact QFN | ||
| ACS70331EESATR-5B3 | Current Sensing Range: 5 A, Sensitivity: 200 mV/A, Package: 12-contact QFN | ||
| ACS70331EOLCTR-2P5U3 | Current Sensing Range: 0 to 2.5 A, Sensitivity: 800 mV/A, Package: 8-lead SOIC | ||
| ACS70331EOLCTR-2P5B3 | Current Sensing Range: 2.5 A, Sensitivity: 400 mV/A, Package: 8-lead SOIC | ||
| ACS70331EOLCTR-005U3 | Current Sensing Range: 0 to 5 A, Sensitivity: 400 mV/A, Package: 8-lead SOIC | ||
| ACS70331EOLCTR-5B3 | Current Sensing Range: 5 A, Sensitivity: 200 mV/A, Package: 8-lead SOIC | ||
| Electrical Characteristics | Supply Current (ICC) | 4.5 | mA (typical, no load) |
| Power On Time (tPO) | 5 | s (typical) | |
| Fuse Power Down Time (tFPD) | 80-120 | s (typical) | |
| Output Characteristics | Bandwidth (BW) | 1 | MHz (-3 dB) |
| Response Time (tRESPONSE) | 535 | ns (typical) | |
| Input Referred Noise Density | 8 | ARMS/Hz | |
| Accuracy | Total Output Error (ETOT) @ IPR(max), 25C | 2 | % |
| Total Output Error (ETOT) @ IPR(max), -40 to 85C | 3 to 5 | % (model dependent) | |
| Sensitivity Error (Esens) @ IPR(max), 25C | 1.1 to 1.5 | % (model dependent) | |
| Offset Voltage (VOE) @ 0 A, 25C | 8 to 37 | mV (model dependent) | |
| Offset Voltage (VOE) @ 0 A, -40 to 85C | 40 to 100 | mV (model dependent) |
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