ACHS-7121 Datasheet (Broadcom) - Hall Effect-Based Linear Current Sensor

ACHS-7121, Hall Effect-Based Linear Current Sensor

Pin Pin Name Description 1 IP+ 2 IP+ 3 IP * 4 IP * Terminals for current being sampled; fused internally Terminals for current being sampled; fused internally Pin Pin Name Description 8 VDD Supply voltage relative to GND 7 VOUT Output Voltage 6 FILTER Filter pin to

ACHS-7121/7122/7123 Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 3 kVRMS Isolation and Low-Resistance Current Conductor Data Sheet Overview The Broadcom® ACHS-7121/7122/7123 product series is a fully integrated Hall Effect-based isolated linear current sensor device family designed for AC or DC current sensing in industrial, commercial, and communications systems.

Each of the ACHS-7121/7122/7123 consists of a precise, low-offset, linear Hall circuit with a copper conductio

ACHS-7121 Features

* Wide Operating Temperature:

* 40ºC to 110ºC

* Primary conductor resistance: 0.7 mΩ typ.

* Sensing current range: ±10A, ±20A, and ±30A

* Output sensitivity: 66 to 185 mV/A

* Output voltage proportional to AC or DC currents

* Ratiometric output from supply voltage