TL16C550DRHBR Other IC_LM3409HVMYX/NOPB Other Passive Components Guide

Texas Instruments currently has 15 wafer fabs in 9 countries, of course, these plants include outdated capacity that is about to close, as well as new 300mm capacity. In April 2019, Diodes completed the acquisition of Texas Instruments' 150mm/200mm wafer fab (GFAB) in Greenock, Scotland, UK, as part of TI's strategy to gradually abandon outdated capacity.

TI outsources much of its logic and embedded IC production to foundries, but mostly produces analog chips in its own factories. The company currently has two 300mm fabs named RFAB and DMO56.

TL16C550DRHBR Other IC_LM3409HVMYX/NOPB Other passive components

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"Quartz crystals require additional components to extend their accuracy -- over time -- as their performance changes beyond controllable temperature changes," he added. In addition, Solis said, "using a BAW resonator is more efficient than using a quartz crystal. precise.

Ray Upton, TI's vice president of connected microcontrollers, explained that new technologies are critical to "moving large amounts of data in a stable manner," improving high-performance communications. .

Today, timing often requires a quartz crystal. In this case, BAW resonator technology offers TI a huge advantage by eliminating the need for external components mounted on the PCB. "Everyone uses quartz crystals for clocks," Solis said.

TPS62823DLCR TPS62823DLCT TPS62821DLCT TPS62821DLCR BQ40Z50RSMR-R2.

TL16C550DRHBR Other IC_LM3409HVMYX/NOPB Other passive components

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When asked why no one in the industry has built something like a BAW resonator, Upton said, "It's very difficult to develop." TI has been involved in MEMS for years. However, converting electrical energy into mechanical acoustics while keeping the signal stable and robust within a clean clock is not easy.

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"The new BAW resonator technology is important because TI is integrating it into its silicon products, reducing design time, solution size and component cost," said Philip Solis, research director for connectivity and smartphone semiconductors at IDC.

BQ24311DSGR TIC10024QDCPRQ1 TL331IDBVR TL331IDBVT TPS63070RNMT.

TL16C550DRHBR Other IC_LM3409HVMYX/NOPB Other passive components

There are also different structures where sound waves propagate as transverse waves. In the above-mentioned BAW-SMR and FBAR?filter diagrams, sound waves propagate in the form of longitudinal waves, that is, the direction of particle vibration and the direction of wave propagation are parallel.

The Membrane type is similar to the basic model of the BAW resonator, with air on both sides. Since the acoustic impedance of the air is much lower than that of the piezoelectric layer, most of the acoustic waves will be reflected back.

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