ACHS-7124-500E

ACHS-7124-500E is a fully integrated hall effect-based isolated linear current sensor device designed for AC or DC current sensing in industrial, commercial, and communications systems. It consists of a precise, low-offset, linear hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field that the hall IC converts into a proportional voltage. Device accuracy is optimized through the close proximity of the magnetic signal to the Hall transducer. A precise, proportional voltage is provided by the low-offset, chopper-stabilized CMOS hall IC, which is programmed for accuracy after packaging. Applications include low-power inverter current sensing, motor phase and rail current sensing, solar inverters, chargers and converters, switching power supplies.

• ±40A current range, 50mV/A sensitivity
• Internal conductor resistance of 0.7mohm typical
• Output sensitivity of 40mV/A to 50mV/A, output voltage proportional to AC or DC currents
• Ratiometric output from supply voltage, single supply operation of 5V
• Low-noise analogue signal path
• Factory-trimmed for accuracy, extremely stable output offset voltage
• Near zero magnetic hysteresis, typical total output error of ±1.5%
• <gt/>25KV/µs common-mode transient immunity
• Worldwide safety approvals: UL; CSA, isolation voltage of 3KVrms, 1 minute
• Wide operating temperature range from -40°C to +110°C