Description
This board is a simple carrier of Broadcom?s ±20A ACHS-7122 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 m?) current path and electrical isolation up to 3 kV RMS. This version accepts a bidirectional current input with a magnitude up to 20 A and outputs a proportional analog voltage (100 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.
Specifications:
- Current sense: 0.100 V/A
- Minimum logic voltage: 4.5 V
- Maximum logic voltage: 5.5 V
- Supply current: 15 mA
- Version: -20A to +20A
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