Feature: Embedded
Optimum stability,
reliability and quality in one
sensor package By Harald Thomas, Business Segment Manager for Sensors and Power, Angst + Pfister
M
urata has done it again – this time with its SCH16T 6DoF sensor, a powerful, combined 3-axis gyro sensor and 3-axis accelerometer. Te device was developed for applications that require optimum stability, reliability and quality, and it offers extraordinarily stable
performance in terms of temperature, moisture and vibrations. In an
Figure 1: Robust SOIC24 housing. The inverted connection pins give the sensor housing a “more neutral” behaviour
improvement on previous versions, this sensor has multiple self- diagnosis functions. In addition to these changes, the housing was reduced with regard to moving masses, to minimise any impact on the actual measurements. Stability and long-term behaviour are significantly improved in the
new sensor cell, which now consists of six moving masses. Te new, adapted ASIC features additional innovations. Te first is its improved zero-point stability (bias instability) compared with its predecessor (SCHA63T), of which stability was already pretty impressive at 1.2°/h, but has now been more than halved to 0.5°/h. Tis performance equals the measurements of high-quality IMUs or FOGs, whose prices can easily reach four digits. Te redesigned sensor cell has facilitated the leap from a larger “pre- moulded” product to a smaller 24-pin SOIC housing with a smaller
Figure 2: Multi- and single-time-point sampling
20 May 2024
www.electronicsworld.co.uk
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