All items tagged with integrated circuits (34)

Sound Semiconductor New Mixer Chip Provides Voltage Control of Six Inputs into a Single Output

October 25, 2024 by audioXpress Staff

Sound Semiconductor New Mixer Chip Provides Voltage Control of Six Inputs into a Single Output

Sound Semiconductor announced the ProCircuit 6-into-1 Voltage Controlled Mixer. Based on a new-generation Operational Transconductance Amplifier (OTA), the patent pending SSI2190 allows current-mode linear control of each channel. Differential voltage inputs provide design flexibility, and a high-compliance current output makes summing from multiple sources - including other SSI2190’s - an easy endeavor.

STMicroelectronics Announces Flexible, Space-Saving Class-D Amplifier for Car Audio

September 23, 2024 by audioXpress Staff

STMicroelectronics Announces Flexible, Space-Saving Class-D Amplifier for Car Audio

STMicroelectronics' latest HFA80A automotive-grade analog-input class-D audio amplifier combines high efficiency, small size, and a low bill of materials, with load diagnostics optimized for automotive and native electromagnetic compatibility (EMC). With its feedback-before-filter topology and 2MHz nominal PWM frequency, the ST HFA80A lets designers optimize the output filter for the targeted performance and achieve a compact outline with small component values.

R&D Stories: The Neurochrome Story

July 31, 2024 by Tom Christiansen

R&D Stories: The Neurochrome Story

A personal account of a professional journey that led to the creation of Neurochrome, a company successfully serving audio enthusiasts all over the world with a complete range of power amplifiers kits and circuits, all well-engineered, thoroughly tested, and well-documented. Neurochrome is a small, highly dedicated audio company, providing inspiration, or perhaps a forewarning, for those wishing to venture into the audio business.

Scott A. Wurcer – An Audio Legend Left Us

March 22, 2024 by Jan Didden

Scott A. Wurcer – An Audio Legend Left Us

Scott Wurcer from Cambridge Mass passed away on March 18, at the age of 74. Scott was one of those people who made a technical contribution to audio that can hardly be overstated. His analog IC designs for Analog Devices are legendary for their creative design and extremely high performance. Scott loved a good life, and I shared many exquisite meals and great wines with him. I will miss him.

AKM AK4499EX and AK4191 Flagship D/A Converter Solution Enters Production

September 15, 2022 by Joao Martins

AKM AK4499EX and AK4191 Flagship D/A Converter Solution Enters Production

As anticipated, Asahi Kasei Microdevices Corporation (AKM) has released to production the new flagship stereo D/A converter (DAC), the Velvet Sound Verita AK4499EX, showcased at the High End Munich show in May 2022. Alongside the AK4499EX, AKM has also released the AK4191 Digital Filter and ΔΣ Modulator, completing a two-chip solution that makes it easy to improve performance with completely independent digital and analog circuitry.

EPC Introduces 12V – 48V 500W GaN Boost Converter in Collaboration With Renesas

January 6, 2022 by Cristina Costa

EPC Introduces 12V – 48V 500W GaN Boost Converter in Collaboration With Renesas

EPC announced the availability of the EPC9166, a 500W DC-DC demo board that converts a 12V input to 48V output. The EPC9166 demo board demonstrates the Renesas ISL81807 80V two-phase synchronous boost controller with the latest generation EPC2218 eGaN FETs from EPC to achieve greater than 96.5% efficiency in a 12V input to 48V regulated output conversion with 500kHz switching frequency. The output voltage can be configured to 36V, 48V, and 60V. The board can deliver 480W power without a heatsink.

Update from Asahi Kasei Microdevices - The Return of Velvet Sound

December 2, 2021 by Joao Martins

Update from Asahi Kasei Microdevices - The Return of Velvet Sound

Following the major fire that destroyed its semiconductor factory in Japan, Asahi Kasei Microdevices (AKM) is back online and promises new announcements in January 2022. audioXpress received notice from Gaku Suzuki, General Manager for Digital Marketing HiFi ICs at AKM that the company's famed Velvet Sound DACs and ADCs are about to resume production. We also learned that the company intends to focus on a new generation of chips and offer updated replacements for existing references.

September 9, 2021 by Special Content

Brand-New! Reference Board for Infineon Class-D Audio Amplifier

Brand-New! The REF_MA5332BTLSPS reference board is a single BTL channel, 200 W/ch (4 Ω at 40 V) class D audio power amplifier for home audio systems. It features a single BTL channel self-oscillating type PWM for the lowest component count, convenient single power supply and highest performance and robust design. Be first to download all information and start working on your development with the Infineon Class-D Audio Amplifier MERUS MA5332MS IC!

Alpha and Omega Semiconductor Announces Ideal Diode Protection Switch Suitable for USB Type-C Power Delivery

August 27, 2021 by Cristina Costa

Alpha and Omega Semiconductor Announces Ideal Diode Protection Switch Suitable for USB Type-C Power Delivery

Alpha and Omega Semiconductor, a designer, developer and global supplier of a broad range of power semiconductors and power ICs, announced a new USB Type-C Power Delivery high voltage sink protection switch using ideal diode methodology for reverse current protection. The AOZ13984DI-02 and AOZ13987DI-02 are smart protection switches in a single small thermally enhanced 3mm x 3mm DFN package.

Analog Devices Completes Acquisition of Maxim Integrated

August 26, 2021 by audioXpress Staff

Analog Devices Completes Acquisition of Maxim Integrated

Analog Devices Incorporated (ADI) announced the completion of its previously announced acquisition of Maxim Integrated Products Incorporated. The combination further strengthens Analog Device's position as "a high-performance analog semiconductor company with trailing twelve-month revenue of over $9 billion, industry leading margins, and free cash flow of over $3 billion1 on a pro forma basis," as the company describes it.

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