TCA9545APWR Analog IC_GCJ188C70J335KE02D Introduction

With the maturity and progress of the process technology and the increase in market demand, more and more companies use advanced processes below 20nm to design and produce ICs and devices, which makes more and more IDMs and foundries eliminate low-efficiency production. fab. .

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TCA9545APWR Analog IC_GCJ188C70J335KE02D

OPA2171AIDR Universal Op Amp

TMP112AIDRLR TS3A225ERTER TPS2546RTER TMP112AIDRLT TPS82130SILR.

TPS563209DDCR TPS563209DDCT TS3USB221RSER LM339APWR MAX3232IPWR.

The basic structure of the BAW filter is that two metal electrodes sandwich a piezoelectric film (the thickness of the Quartz substrate is 2um at 2GHz), and the acoustic wave oscillates in the piezoelectric film to form a standing wave.

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

TCA9545APWR Analog IC_GCJ188C70J335KE02D

LQH3NPN2R2NM0L

BQ24311DSGR TIC10024QDCPRQ1 TL331IDBVR TL331IDBVT TPS63070RNMT.

LM5176PWPR LM5176PWPT DRV8876PWPR TPS23751PWPR TPS61194PWPR.

TPS630701RNMT TPS630702RNMR TPS54218RTER TPS92692PWPR TPS56C230RJER.

TPS65400RGZR TPS65400RGZT TPS92515QDGQRQ1 TPS92515QDGQTQ1 TPS560430XFDBVT.

TCA9545APWR Analog IC_GCJ188C70J335KE02D

The typical basic structure is shown in the figure (a) above, the piezoelectric layer is sandwiched between the upper and lower metal electrodes, the corresponding mBVD equivalent circuit is shown in the figure (b) above, and the corresponding impedance is shown in the figure (c) above. It can be seen that there are two resonance frequencies, series (fs) and parallel (fp). The working principle is as shown below.

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

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