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Four varistors on the MEMS chip of the single-chip force sensor form a Wheatstone bridge structure. When the external force acts on the device, the device deforms, and the resistance value of the varistor changes accordingly; due to the different placement positions of the resistors, The resistance value of the varistor also has different changes accordingly, and the Wheatstone bridge generates analog differential signal output
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In a mobile terminal device and a wearable device, an acceleration sensor is becoming a standard device. For example, in smart phones and tablet computers, a three-axis acceleration sensor is used to realize a screen flip function; in a bracelet watch, a three-axis acceleration sensor can realize functions such as step counting and sleep monitoring; in a TWS headset, a three-axis acceleration sensor is used as a human-computer interaction interface to identify operations such as clicking and double-clicking.
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The absolute pressure module is a unique LGA packaged pressure chip module. Its MEMS chip is prepared by the SENSA process independently developed and equipped with an application-specific integrated circuit conditioning chip. It has the advantages of high precision, good stability, excellent temperature compensation, etc. It can be packaged into the required pressure sensor form according to customer requirements to realize the calibration of specific proportional output signals. This series of products in the compensation temperature range (-40°C to 125°C), the full range of the accuracy of less than ± 2.0. The differential pressure module is a high-stability micro-differential pressure chip module based on LGA package of ceramic materials. Its MEMS chip is prepared by advanced all-silicon pressure sensor technology commonly used in the world, and is equipped with a special integrated circuit conditioning chip. It has the advantages of high precision, good stability, excellent temperature compensation, etc. It can be packaged into the required pressure sensor form according to customer requirements to realize calibration of specific proportional output signals. This series of products in the compensation temperature range (-40°C to 125°C), the full range of accuracy is less than ± 3.0
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Gauge-grade automotive pressure sensor module
1, high reliability car gauge ASIC, to meet the AEC-Q100 test;
2. Temperature-resistant and corrosion-resistant packaging materials;
3. High flexibility SOP, COB package.
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Oil-filled isolated pressure sensor module
The core sensitive element of the oil-filled medium isolated pressure sensor module is composed of a self-developed high-performance MEMS pressure sensing chip equipped with a special integrated circuit conditioning chip for bridge amplification and calibration. The pressure sensing module is isolated by stainless steel metal diaphragm, which can provide good linear analog output under various media. It is a low-cost pressure sensor for civilian use.
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Invasive/non-invasive ventilator pressure sensor
1. The micro differential pressure range can be customized;
2. High precision single temperature compensation and output calibration;
3. Medical grade packaging material;
4. Reliable long-term stability
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