固定点磁気リニア ホール効果センサーは、保証された性能仕様で過酷な環境の要求に応えます

Melexis has extended its portfolio of robust factory-programmed Hall effect sensors for use in automotive, industrial and other harsh environments with the introduction of a new device at a very cost effective price point. The MLX90290 is a monolithically integrated magnetic sensor IC, with AmplifierAn electronic device that increases the power of a signal." class="glossaryLink cmtt_TechTerms">amplifier, AnalogContinuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity." class="glossaryLink cmtt_TechTerms">analog output and internal compensation circuits all incorporated. It converts Magnetic FluxThe product of the average magnetic field times the perpendicular area that it penetrates." class="glossaryLink cmtt_TechTerms">magnetic flux into an analog output and guarantees the critical functional parameters (such as sensitivity, offset and their respective thermal drift characteristics) to absolute levels, thus simplifying integration processes by removing the need for end-of-line calibration. This means that design engineers can confidently deliver cutting-edge position sensing solutions without extra end-of-line testing and validation, which can prove laborious and time consuming. They can simply buy off-the-shelf versions of the MLX90290 capable of satisfying their sensor requirements. Standard versions of the MLX90290 when combined with microcontroller units allow fast and accurate rotary, linear or motor commutation applications to be realized. It also be applied to sense DC and Alternating Current [AC]A signal or power source that varies with time, switching polarities." class="glossaryLink cmtt_TechTerms">フェライトトロイドコアと組み合わせた場合のAC電流。

Offered in variations for use with circuits operating at 3.3VDC and 5VDC bias, the MLX90290 enables position measurements with most common permanent magnets, such as AlNiCo and Ferrite. It is capable of compensating for the inherent thermal behavior of the magnet. The device is offered in off-the-shelf variants for use with 500ppm/°C materials for Alnico/Rare Earth type magnets and 2000ppm/°C materials for low cost Ceramic/Ferrite magnets. In current sensing applications the thermal drift is targeted to 0ppm/°C, so the IC has a thermal behavior as flat as possible while achieving a high BandwidthThe range of frequencies an electronic signal uses on a given transmission medium; the width of a frequency range in the electromagnetic spectrum." class="glossaryLink cmtt_TechTerms">帯域幅。

High volume applications may be deemed suitable for a customized version. Here, filtering, sensitivity and thermal sensitivity drift may be fully optimized to meet a specific high volume application’s performance requirements. The MLX90290 covers a -40°C to +150°C operational TemperatureA numerical measure of hot or cold. Its measurement is by detection of heat radiation or particle velocity or kinetic energy, or by the bulk behavior of athermometric material." class="glossaryLink cmtt_TechTerms">温度範囲。 業界標準の 3 ピン SIP (UA) パッケージまたは 3 ピン SOT (TSOT23) パッケージで提供されます。 標準の 0.05 インチ/1.27mm ピン間隔バージョンが通常のオプションですが、代わりに 0.100 インチ/2.54mm ピン間隔のリードフォーム バージョンを指定することもできます。 ピン間の間隔が広いことは、センサー モジュールの溶接や自動はんだ付けに有利です。

詳細については、www.melexis.com/contact.aspx をご覧ください。

固定点ホール効果センサー過酷な環境Melexis

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