Bourns, Inc. announced its SRF7038A Series AEC-Q200 compliant, automotive-grade common-mode chokes. The new high current chokes feature an extended current capability up to 15 A and a broad impedance range of 70 to 3000 ohms. These features make the SRF7038A an excellent power line Electromagnetic Interference (EMI) suppression solution for use in consumer, industrial, and automotive systems. […]
Tools
Digital PDM microphones integrate preamp and sigma-delta ADC
Infineon Technologies AG has expanded its XENSIV MEMS microphone lineup with the introduction of the IM72D128V and IM69D129F, two innovative digital PDM microphones designed for exceptional audio performance, energy efficiency, and robustness. Leveraging Infineon’s proprietary Sealed Dual Membrane (SDM) technology, both microphones achieve a high level of robustness against water and dust (IP57), making them […]
Bidirectional 6-channel multiplexer operates from 1.08-3.63 V
Nexperia announced the latest addition to its portfolio of AEC-Q100 (grade 1) qualified devices that deliver the reliability required for demanding automotive applications. The NMUX27518-Q100 is a bidirectional 6-channel 2:1 multiplexer, making it ideal for enabling memory expansion via a qSPI port in safety-critical in-vehicle applications like the advanced driver assistance systems (ADAS) domain controller, […]
Ultra-compact op amp achieves 160 nA operating current
ROHM Semiconductor announced the development of the TLR1901GXZ, an ultra-compact CMOS operational amplifier (op amp) that achieves the industry’s lowest operating circuit current. Optimized for use as a sensing amplifier, this IC is ideally suited for space-constrained applications such as handheld measurement instruments, wearable devices, and indoor motion detectors. As the demand continues to grow for more sophisticated control […]
Automotive Class-D amplifier operates -40 °C to +105 °C
Nuvoton has released the NAU83U25YG, an automotive-grade Class-D audio amplifier designed for vehicle electronics applications. The stereo amplifier delivers 3W output power into 4Ω loads or 1.7W into 8Ω loads, operating with digital I2S input signals and featuring I²C-controlled gain adjustment from 22 dB to -62 dB. The NAU83U25YG meets AEC-Q100 automotive qualification standards and […]
Class-D amplifiers operate at 2 MHz switching frequency to reduce PCB space
STMicroelectronics has revealed new class-D automotive audio amplifiers for smart-cockpit applications, engineered for tiny overall dimensions and with a digital input that simplifies circuit design. The new HFDA80D and HFDA90D extend ST’s family of high-frequency automotive amplifiers, complementing the HFA80A analog-input IC. All the devices operate at a switching frequency of 2MHz to save PCB […]
Line filters reduce EMI to 250 MHz
Bourns, Inc. introduced a new filter series designed with a ferrite toroid core. Bourns specifically engineered its SRF1360 line filters to deliver high impedance over a broad frequency range. This makes them excellent solutions for Electromagnetic Interference (EMI) suppression in an increasing group of sensitive electronic applications that require minimal interference. This new series provides current ratings of […]
Laser driver features 3 V to 24 V supply range with 10+ MHz pulse repetition frequency
Silanna Semiconductor has launched the FirePower series of laser driver ICs that significantly reduce the size and increase the peak power of LiDAR applications. FirePower Laser Driver ICs are the first to combine charging and firing on a single chip. This enables a significant reduction in size and losses, as well as the removal of […]
Temperature variable attenuators deliver stable performance from -55 to +125 °C
International Manufacturing Services, Inc. (IMS) is now producing Temperature Variable Attenuators (TVAs) for a wide range of applications to 20 GHz and beyond. Its new AV-0607-C TVAs are ideal for RF power amplifiers (PAs), broadcast equipment, and multiband communications systems. With their low-noise, thin-film construction, the TVAs exhibit decreasing attenuation with increasing temperature to help […]
Amplifier delivers 0.15% gain accuracy with 2.1 MHz bandwidth
STMicroelectronics’ TSC1801 low-side current-measurement amplifier integrates matched resistors to set the gain, which simplifies the circuit design, saves bill-of-materials costs, and ensures gain accuracy within 0.15% over the entire temperature range. The fixed gain also eliminates production trimming of external resistors. Combining very high accuracy and wide bandwidth, the TSC1801 is used for motor control, […]
