TDK introduces the InvenSense ICS-40638 MEMS analog microphone. The ICS-40638 microphone offers an ultra-high Acoustic Overload Point (AOP) of 138 dB Sound Pressure Level (SPL), exceptionally efficient 170 µA low power operation and high Signal to Noise Ratio (SNR) of 63 dB in a small 3.5 mm x 2.65 mm x 0.98 mm bottom port […]
MEMs design automation platform includes enhanced modeling capabilities
Coventor, a Lam Research Company, announced the immediate availability of CoventorMP 1.3 – the newest version of its MEMS design automation platform. With added MEMS+ features, performance improvements, and new capabilities, CoventorMP 1.3 addresses the need to quickly and easily design highly complex MEMS devices and improve the performance and reliability of next-generation MEMS devices in […]
Tiny temperature sensor handles wide -40 to 125°C range
The WSEN-TIDS temperature sensor from Würth Elektronik measures just 2.0 x 2.0 x 0.5 mm but offers a wide range of applications. Its accuracy in the measuring range -40 to 125°C is ±0.5°C, while in the range -10 to 60°C it goes down to ±0.25°C. Applications extend from PCB temperature monitoring and system monitoring for […]
MEMS pressure sensors feature fast response, high resolution, long-term stability
Bourns, Inc. announced the addition of four new model families to the Bourns Precision Sensor (BPS) line. Based on state-of-the-art Micro-Electro-Mechanical Systems (MEMS) technology, the four new BPS310, BPS320, BPS330 and BPS340 series are cost-effective pressure sensor solutions that feature ultra-fast response times, high resolution, and long-term stability. These features, along with the ability to work with pressure ranges from 5 […]
Pulse Density Modulation microphone features super-wide dynamic range
TDK announces the T5818 Pulse Density Modulation (PDM) microphone with a dynamic range of 107dB at 590µA, the widest dynamic range in the industry at the lowest power. This allows for excellent acoustic performance in environments that shift from very quiet to very loud, such as far-field voice pickup barge-in for Smart Speaker applications. The T5818 microphone features 66dBA SNR, 135dB […]
Lead-free chip resistor networks designed for RoHS compatibility
TT Electronics announced the latest series in its Green Thick-Film chip portfolio – the GBCN, a thick-film chip array that is completely free of Pb (lead) and its compounds. As environmental regulations become increasingly stringent, the new GBCN series deliver peace of mind through exemption-free RoHS compliance. These resistors meet growing industry demand for pull-up, […]
MEMS-based absolute pressure sensors target altimeter apps
Würth Elektronik presents a very compact MEMS-based (Micro-Electro-Mechanical Systems) absolute pressure sensor: The 2.0 x 2.0 x 0.8 mm sized WSEN-PADS measures pressure in the range between 26 and 126 kPa. Its output data rate can be selected between 1 and 200 Hz. The sensor contains an ASIC (application-specific integrated circuit) and a temperature sensor. […]
What are MEMS microphone arrays?
Beamforming arrays let designers create directional microphones using MEMS devices. With the right signal processing algorithms, these can enhance the user experience delivered by many types of audio equipment. An array can be simple, comprising as few as two microphones, and can be arranged in various configurations depending on the expected location of the preferred […]
RF Switches, Part 2: Analog and MEMS switches
Part 1 of this FAQ looked at the venerable electromechanical RF switch – still widely used in some applications, where it is the only viable option – and use of PIN diodes as RF switches. This part looks at analog and MEMS-based switches. Q: What is an analog switch? A: It’s conceptually straightforward: in basic […]
MEMS inertial accelerometer now offered in ±10 g and ±50 g ranges
Silicon Designs, Inc. announced that additional new g-ranges and end-user enhancements have been added to its Model 2227 MEMS inertial accelerometer series. Initially launched in October 2018 as a strictly ±25-g product, the Series is now offered in both ±10 g and ±50 g ranges, respectively. Stock quantities of all three models are immediately available […]
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