CUI Devices’ Audio Group announced the addition of tweeters to its speakers product portfolio. Ideal for high-frequency sound output, the CTW family of tweeters features resonant frequencies from 1300 up to 1700 Hz, frequency response up to 20,000 Hz, and sound pressure levels from 81 up to 89 dB measured at 1 meter and 1 W.…
How to design an audio player for toys
Toys have come a long way from basic dolls and wooden blocks. In today’s tech-savvy world, electronic toys have become integral to childhood play. This includes interactive tablets, electronic games, and robotic devices. Several toys incorporate sophisticated technologies to engage, educate, and entertain kids. One of the features of many modern toys is audio. From…
STMicroelectronics introduces new automotive-qualified operational amplifiers
STMicroelectronics’ TSZ181H1 and dual TSZ182H1 automotive-qualified operational amplifiers (op amps) deliver high accuracy and stability over a wide (-40° to 175° C) temperature range. The high maximum operating temperature encourages use in harsh environments and in applications with long mission profiles. The op amps have very low input offset voltage, typically 3.5µV at 25° Cm, and input bias…
Infineon expanding its automotive microphone portfolio
Active Noise Cancellation (ANC) ensures a quiet vehicle interior and provides passengers with a more relaxed driving experience. Furthermore, using advanced ANC solutions instead of passive damping methods significantly reduces vehicle weight, which benefits vehicle efficiency. For ANC systems with an analog interface, Infineon Technologies is now expanding its automotive microphone portfolio with the XENSIV…
Infineon launches new PDM microphone with low power consumption
For the third consecutive year, Infineon Technologies has successfully defended its position as a MEMS microphone supplier. Moreover, Infineon’s market share rose to a staggering 45% as bare die microphone manufacturer in 2021 — according to recent research published by technology expert Omdia. This positive development is due to Infineon’s long-term experience in MEMS microphone…
Infineon releases MERUS multilevel Class D audio amplifiers
Long-lasting music playback performance that comes in compact, cost-effective, and power-efficient designs, is indispensable for battery-powered applications. Infineon Technologies recently introduced its latest generation of MERUS multilevel Class D audio amplifiers. Several ecosystem partners of Infineon are now ready to support interested customers with their design-in efforts. Partnering with the experts, the company aims to…
STMicroelectronics boosts op-amp performance for automotive sector
STMicroelectronics is simplifying designers’ search for high-performing operational amplifiers (op amps) by introducing three new 6MHz rail-to-rail devices with strong all-around parameters including a wide operating voltage range and low noise. The TSB511, TSB512, and TSB514 are single, dual, and quad op amps, respectively. They can operate from a single supply in the range from 2.7V to 36V, and…
Infineon’s new audio amplifiers feature MERUS multilevel switching amplifier
When designing portable and battery-powered audio devices for consumer speaker applications, maximizing battery playback time and maintaining excellent audio performance in a compact form and at a low-system cost is essential. MERUS multilevel switching technology from Infineon Technologies is designed to achieve low switching losses and highly efficient amplification at both low and high output…
STMicroelectronics expands its 5V op-amp line for high-accuracy signal conditioning
STMicroelectronics has added the TSV782 high-performance dual op-amp to its 5V family, with 30MHz gain bandwidth (GBW) and 50µV (typical) input offset voltage for high-speed, high-accuracy signal conditioning. With the ability to function with a supply as low as 2.0V, the TSV782 can operate from a deeply discharged battery and so extend the runtime of equipment such…
STMicroelectronics’ new dual high-output amplifier offers simplified circuitry
The STMicroelectronics TSB582 dual high-output amplifier simplifies circuitry for driving inductive and low-ohmic loads like motors, valves, and rotary resolvers in industrial applications and automotive systems such as steer-by-wire and auto-parking. The TSB582 operates from 4 to 36V supplies and contains two operational amplifiers (op amps), each capable of sinking/sourcing up to 200mA. This enables direct connection…
Infineon introduces high-performance XENSIV MEMS microphones
Infineon Technologies is launching its next-generation XENSIV MEMS microphones that define a new industry standard. The microphones IM69D127, IM73A135, and IM72D128 are the latest additions to Infineon’s growing microphone portfolio. Combined with selectable power modes the MEMS microphones are a perfect match for consumer electronics such as headphones with active noise cancellation, TWS earbuds, conference devices with…
STMicroelectronics’ new automotive amplifier supports high-definition audio
STMicroelectronics’ TDA7901 automotive amplifier integrates a buck controller for class-G power switching and supports high-definition audio — a market-unique combination for ideal listening and high efficiency. In class-G operation, the TDA7901 buck controller automatically optimizes the voltage supplied to the bridge-tied load (BTL) power-stage, depending on the audio-signal level. The resulting smooth, analog sound comes with…
Infineon introduces MERUS Class D, an audio amplifier multichip module
Unlocking the potential of its best-in-class power MOSFET technology, Infineon Technologies is introducing the MERUS 2-channel, analog input, class D audio amplifier multichip module (MCM) MA5332MS. Class D audio power amplifiers offer a combination of small size, low heat dissipation, high integration, and excellent sound quality. The new module is a powerful upgrade to its predecessor,…
Diodes launches high-efficiency, class-D stereo audio amplifier
Diodes Incorporated is introducing the PAM8965 class-D stereo, audio power amplifier with an integrated synchronous boost converter. This high-efficiency device is targeted for use in AI-enabled speaker systems and portable musical instruments where elevated output power, extended battery life, and compact construction are all key requirements. Running off a 2.8 to 8.5V supply, the PAM8965…
Element adds 5G VoNR testing with solutions from Rohde & Schwarz
PCTEST Engineering Laboratory, which recently became part of the Element Materials Technology Group, is offering 5G Voice over New Radio (VoNR) testing using the R&S CMX500 5G radio communication tester. The R&S CMX500 can simulate a 5G standalone network including IMS services and exercise all critical VoNR functions. “Element is fully prepared to support our…
Qualcomm debuts its Snapdragon 7c Gen 2 compute platform
Qualcomm Technologies, Inc. has debuted the Qualcomm Snapdragon 7c Gen 2 compute platform — the second generation of the company’s entry-level platform for always on, always connected Windows PCs and Chromebooks with efficient performance and support for multi-day battery life. During the Qualcomm Snapdragon Compute: Scaling the Mobile Compute Ecosystem virtual announcement, the company shared…
Cirrus Logic releases smart-boosted Class D audio amplifier
As consumers increasingly turn to their phone’s internal speakers to enjoy music, podcasts, movies, and gaming, Cirrus Logic has introduced its newest flagship CS35L45 boosted amplifier for a richer, more immersive audio experience from smartphones, tablets, and mobile gaming devices. Cirrus Logic’s CS35L45 smart-power amp delivers higher excursion for high-peak loudness, improved dynamic range for more punch…