MEMS oscillators for automotive, industrial designs

IQD Frequency Products has launched four new models of MEMS oscillators that cover variations in package style, supply voltage, and frequency range. All four MEMS oscillators are factory-programmable, and that ensures very short lead times for both design-in volumes and full production.

These MEMS oscillators are designed for applications that require an oscillator to operate at extreme temperatures. That includes the AEC-Q100-qualified automotive-grade products. They are particularly suitable for applications such as infotainment, collision-detection systems, in-vehicle networking, and powertrain control.

The IQMS-116AUTO and IQMS-117AUTO models are housed in SOT23-5 plastic packages, which have the solder joints visible so that they can be fully inspected. The IQMS-116AUTO MEMS oscillators have a frequency range between 1 MHz and 110 MHz, while the IQMS-117AUTO operates in a range of 115.2 MHz to 137 MHz.

For users that prefer plastic SMT packages, the IQMS-114AUTO and IQMS-115AUTO models are available in five industry-standard sizes: 2.0 x 1.6 mm, 2.5 x 2.0 mm, 3.2 x 2.5 mm, 5.0 x 3.2 mm, and 7.0 x 5.0 mm.

The IQMS-114AUTO has a frequency range of 1 MHz to 110 MHz, while the IQMS-115AUTO is available between 115.2-MHz and 137-MHz frequency bands.

All four models operate over the standard automotive operating temperature range of –40°C to 125°C. But these MEMS oscillators can also be specified for operation over the standard industrial temperature range of –40°C to 105°C or for applications with extreme temperatures of –55°C to 125°C.

Frequency stability options can be specified down to ±20 ppm for the IQMS-114AUTO, IQMS-115AUTO, and IQMS-116AUTO and ±25 ppm for the IQMS-117AUTO over all of the operating temperature options.

Next, five voltage options are available — 1.8 V, 2.5 V, 2.8 V, 3.0 V, and 3.3 V — with the current consumption down to 4.5 mA with no load. All models deliver a CMOS output, 15-pF load with a rise and fall time of typically 2.5 ns to 3 ns along with a duty cycle of 45% or 55% and the option of an enable/disable function on Pad 3.