Ideal for applications such as smart meter, motor, inverter control, and solar panel power conditioners【AAV004-02E】.
【AAV004-02E】 ● Direct current sensor using spin valve GMR manufactured by NVE Corporation, USA ● Frequency characteristics: DC to 1kHz ● Linear output of 0 to 5V with an error of ±0.5% from -5A to +5A ● Insulation between the current strap and the sensor withstands 300Vpk continuously ● The sensor's output is amplified, converted to AD (12-bit), processed, and then converted to DA for output ● Compact size and space-saving design due to the SOIC8 small package ● Ideal for current measurement in motor control, smart meters, solar panels, and industrial equipment 【AAV003-10E】 ● For small current detection ● On-chip current strap for precise operation ● Linear range: -80mA to +80mA ● Sensitivity: up to 2mV/mA ● AC or DC current measurement ● Ultra-small TDFN package
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basic information
AAV004-02E is a current sensing device based on a linear bipolar GMR bridge sensor, featuring on-chip signal processing circuits for amplification, normalization, and temperature compensation. The current is detected by a GMR bridge positioned very close to the current strap. Its output is an analog rail-to-rail voltage signal proportional to the input current and supply voltage. This is a true isolated current sensor that can withstand line-to-line voltages up to 300V, with isolation achieved through a unique ceramic/polymer composite barrier, estimated to have a lifespan of 44,000 years. AAV003-10E features a GMR bridge sensor with extremely good linearity and very low hysteresis, along with a single on-chip current strap. The magnetic field generated by the current is detected by the GMR bridge sensor located near the on-chip current strap. To achieve accurate measurements, it utilizes a unique GMR material with bipolar output and low hysteresis. The four terminals of the bridge sensor can be used externally, outputting a bipolar voltage signal proportional to the current in the strap from the bridge's output terminals.
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| Model number | overview |
|---|---|
| AAV003-10E | |
| AAV004-02E |
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Company information
Our company provides high-quality services to client companies, from the development and design of industrial electronic devices to production at our own factory. We offer a one-stop service for all forms of DMS (Design & Manufacturing Service) tailored to customer needs, including the development and design of large-scale high-speed circuit boards and system racks, primarily focused on A/D, D/A, DSP, and FPGA-related products, as well as integration proposals with advanced overseas products.