Rotational magnetic encoder displacement sensor exceeds Hall-effect devices

Vishay Intertechnology claims that its magnetic position sensor delivers accuracy comparable to Hall-effect devices while offering higher reliability and better durability. The one-time programmable (OTP) Vishay Sfernice RAME027 provides accuracy of ± 0.33 per cent at 25 degree C in a small 27mm form factor. Typical applications will include military and industrial joysticks, electrical actuators, machine tools, textile manufacturing, milling, and robotics.

The robust capabilities and construction of the RAME027 make it particularly suitable for rough working conditions, including high vibration and shocks. Vishay can customise the RAME027 with customer-specified mechanical dimensions, output serial synchronous interface (SSIs), accuracy and resolution levels, reinforcements, and protection features against electromagnetic compatibility (EMC) and electrostatic discharge (ESD). Vishay can also provide redundant functions and an extended temperature range.

The RAME027 works from a 5.0V (±0.25V) voltage supply and draws less than 20mA at 5.0V. The device features a useful electrical angle of 360 degree, an analogue output, and 12-bit resolution, and it works over a temperature range of -25  to +85 degree C.

Samples and production quantities of the RAME027 are available now, with a lead time of 16 weeks for larger orders.

Vishay Intertechnology is one of the world’s largest manufacturers of discrete semiconductors (diodes, metal oxide semiconductor field-effect transistors ( MOSFETs), and infra red optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets.

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