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Crystal oscillators target automotive apps

Posted: 15 Mar 2012     Print Version  Bookmark and Share

Keywords:crystal oscillators  AEC-Q200  automotive 

Fox Electronics rolls the FA5xx and FA4xxx series of AEC-Q200-qualified crystal oscillators, which are said to meet the stringent stress test requirements set for passive components used in automotive applications, operating at up to 135MHz in extended temperatures.

The new oscillators are available with a frequency range of 2MHz up to 135MHz, -40°C to +85°C, with 2MHz to 48MHz available from -40°C to +125°C.

Certified to AEC grades 1-4 as well as to the ISO/TS-16949 specification, Fox's FA5xx and FA4xxx series are said to withstand the rigorous environmental and operational conditions to which automobiles are subjected.

Due to their compliance with these stringent industry testing parameters, the oscillators are ideal for use in a variety of automotive safety and diagnostic applications, where reliability is critical to protecting the occupants, according to the company. These include tyre pressure monitoring systems (TPMS), navigation, antilock brake systems (ABS), air bags and proximity sensors. They can also be cost-effectively used for in-car multimedia applications, such as entertainment systems and back up cameras.

Frequency stabilities are as tight as ±25 ppm with ageing of just ±5 ppm per year at 25°C. Standard configurations include package sizes of 7mm x 5mm and 5mm x 3.2mm in voltages of 1.8V, 2.5V or 3.3V, with more options available upon request.

The seam-sealed oscillators are RoHS- and REACH-compliant with gold terminations. Both series feature an output load of 15pF (HCMOS), a start-up time of 10mS and a standby current of 10µA as well as output disable and enable times of 100nS and 10mS, respectively. Output symmetry is 40 per cent to 60 per cent, with 45 per cent to 55 per cent available upon request.

Pricing for a FA4100 part is Rs.47.03 ($0.95) in quantities of 50,000. Delivery is 8 weeks ARO.

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