MAX98300/02: Maxim stereo Class D amplifiers extend battery life while reducing EMI, clipping, noise, and clicks/pops
Maxim introduced the MAX98300/MAX98302, mono/stereo 2.4W/channel Class D amplifiers that achieve the industry's lowest power consumption and need no EMI-suppression components.
Tiny transistors from Diodes Incorporated aid product miniaturisation
In the ultra-small DFN1411-3 surface mount package, 20V NPN and PNP bipolar transistors announced by Diodes Incorporated deliver a dramatic increase in the power density and efficiency of power management circuits. The transistors have been designed on Diodes' Generation 5 matrix emitter Bipolar process.
National Semiconductor’s FPD-Link III SerDes Provide Industry’s First Real-Time Bidirectional Control for Driver-Assist Cameras
National Semiconductor today unveiled its FPD-Link III family of automotive-grade serializer and deserializer (SerDes) chipsets featuring the industry's first real-time, bidirectional control channel for driver-assist video cameras. The FPD-Link III chipsets improve driver safety and response time by delivering clock, data, and real-time I2C bidirectional control, continuously over a single differential pair.
Toshiba develops leading-edge silicon nanowire transistor for 16nm generation and beyond
Toshiba Corporation announced that it has developed a breakthrough technology for a nanowire transistor, a major candidate for a 3D structure transistor for system LSI in the 16nm generation and beyond. The company has achieved a 1mA/μm on-current, the world's highest level for a nanowire transistor, by reducing parasitic resistance and improving the on-current level by 75%. This is a major step towards practical application of nanowire transistors. This achievement will be presented at the 2010 Symposium on VLSI Technology in Hawaii, on June 17.
Three-phase brushless DC motor pre-driver IC for office automation applications
The A4936 from Allegro MicroSystems Europe is a three-phase brushless DC motor pre-driver IC targeted at applications within the office automation sector including laser printer and copier drum drives. The new device incorporates outputs for the direct high-current gate drive of an all N-channel power MOSFET three-phase bridge with a maximum supply voltage of 38 V. Also included in the A4936 device are three Hall-element inputs, a sequencer for commutation control, fixed off-time pulse width modulation (PWM) current control, and locked-rotor detection.
MAX31C80/D80: New spread-spectrum clock generators provide industry's best EMI noise reduction
Maxim introduced the MAX31C80/MAX31D80 spread-spectrum generators, which provide best-in-class EMI peak-noise reduction. The MAX31C80/MAX31D80 also offer the designer unprecedented flexibility to use any clock frequency or crystal to achieve the desired output frequency. The devices use a high-quality, programmable, fractional PLL with low jitter (< 75ns) to provide a 2MHz to 134MHz output, regardless of crystal or clock input.
iC-Haus Website Update adds 100 plus products
For more than 25 years iC-Haus is serving the industrial, medical and automotive markets with innovative, advanced and reliable integrated circuits, system-on-chip solutions and microsystems.
STMicroelectronics Extends Class-D Amplifier Portfolio, Enabling High-End Home Multimedia to Look as Good as it Sounds
STMicroelectronics has announced production availability of an analog-input 2x100W class-D power amplifier. This high-end amplifier extends the company's range of class-D devices that deliver audiophile sound quality in components smaller than competing devices by using an advanced chip manufacturing process.
MAX98500: Boosted speaker amplifier makes smartphone speakers louder without collapsing battery voltage
Maxim introduced the MAX98500, a boosted 2.2W Class D amplifier designed for battery-operated portable devices. This device integrates a boost converter to provide a constant output power and, therefore, louder audio output over a wide range of battery supply voltages. Additionally, the MAX98500 is uniquely equipped with a battery-tracking automatic-level-control (ALC) circuit that limits the maximum output swing as the supply voltage drops. ALC helps to avoid clipping and prevents the battery voltage from collapsing, which otherwise might cause a reset of the system. The MAX98500 is ideal for cell phones, portable media players, PDAs, netbooks, and other battery-operated audio applications.
MAX9268: Gigabit multimedia serial link deserializer with integrated full-duplex control channel reduces EMI and saves cost
Maxim introduced the latest member of its high-speed LVDS deserializer family: the MAX9268 deserializer with LVDS system interface. When paired with a gigabit multimedia serial link (GMSL) serializer such as the MAX9259 or MAX9249, the MAX9268 forms a complete bidirectional digital video link over a single DC-balanced twisted-pair or differential line. Maxim's patent-pending, differential, full-duplex control channel eliminates the need for an external CAN or LIN interface, thus simplifying design while saving space and reducing cost. This approach enables bidirectional communication with the display module, as well as programming of camera settings through a UART/I2C interface on a frame-by-frame basis. The MAX9259/MAX9268 chipset is ideal for automotive applications such as sign recognition, collision avoidance, night vision, and lane departure.
Fairchild Semiconductor’s USB Technology Differentiates Mobile Designs
USB has become the universal interface for mobile applications. The USB port has evolved from a pure data portal to a means for file transfers, battery-charging, music listening and factory programming. To better support the industry's convergence into one connector, Fairchild's new USB transceiver and USB accessory detection switch bring functional enhancements without adding design complexity or increasing space and power in mobile designs.
Freescale’s flagship applications processor product line enjoys marketplace momentum, spawns new offering
Eighteen months since its introduction, Freescale's i.MX51 product family has sparked compelling new product categories, cemented the company's leadership position in fast-growing markets and secured more than 50 design wins across a broad range of consumer applications.
picoChip launches smartSignaling– enables a 3G femtocell to support up to 400 smartphones
picoChip has enhanced its picoXcell platform to address the need to support large numbers of smartphones on a femtocell. New smartSignaling features within the company's PC3x3 devices now enable up to 400 'always on' users on a femtocell with additional benefits such as longer handset battery life.
TI delivers Class-D amp with integrated boost converter for 36 percent louder audio across the Li-Ion battery range
Texas Instruments Incorporated today introduced a 2-W mono Class-D audio amplifier with integrated boost converter, which delivers 36 percent louder audio than competitive devices, consistent across the entire Li-Ion battery range. The highly efficient TPA2015D1 allows more than twice the battery life compared to the nearest competing amplifier and is available in a compact 2-mm x 2-mm WCSP package for space-constrained applications including smart phones, notebooks, portable navigation devices, portable docking station and portable DVD players. In addition, the amplifier incorporates battery monitoring automatic gain control (AGC) and SpeakerGuard technology to prevent early shutdown at low battery voltages and prevents clipping, which protects speakers.
National Semiconductor’s Channel Link III SerDes First to Integrate Zero-Latency Control Channel for Industrial Video Applications
National Semiconductor Corp. today introduced its Channel Link III serializer and deserializer (SerDes) family featuring the industry's first integrated zero-latency, bidirectional control channel. The SerDes deliver clock, high-speed data and a low-speed, bidirectional I2C control bus over a single twisted wire pair. This significantly reduces interconnect size, weight and cost by up to 50 percent for industrial video, imaging and display applications.
National Semiconductor’s SolarMagic Chipset Makes Solar Panels “Smarter”
National Semiconductor Corp. today introduced the solar industry's first in-panel SolarMagic™ chipset, marking the advent of a new category of solar systems: "smart panels."
DS3644: Industry's first security manager with hierarchical secure nonimprinting memory and tamper detection
Maxim Integrated Products introduces the DS3644, a security manager with 1024 bytes of nonimprinting memory to securely store sensitive data. Internal tamper monitors protect against clock, electrical, and temperature tampering, while tamper-detection inputs for external sensors enable complete customization. The on-chip nonimprinting memory allows the end user to selectively clear the memory based on user-specified tamper events. This patented memory scheme* ensures immediate data erasure in response to tampering, thus improving system security over SRAM-based implementations. The DS3644 is most appropriate for applications that require a higher level of security, like government and military systems, as well as any application where more than one tamper trigger needs to be monitored.
5 GHz Differential Amplifier Drives Gigasample ADCs on Just 60 mA of Quiescent Current
Analog Devices introduced today the industry's first 5-GHz differential amplifier able to drive ADC (analogue-to-digital converter) signals from DC to 1 GHz at half the power of competing products. The ADA4960-1 differential amplifier is a high-performance, low-distortion, ultra-high-speed differential amplifier effective for a wide variety of high-speed ADCs with 10-bit linearity to 500 MHz and 8-bit linearity up to 1 GHz. The ADA4960-1 differential amplifier can drive a wide variety of ADCs, such as Analog Devices' AD9626 12-bit ADC and the AD9211 10-bit ADC.
MAX5970: Dual hot-swap controller integrates system monitor to meet new green initiatives for high-availability systems
Maxim introduced the MAX5970, a dual hot-swap controller for systems with two 0 to 16V supply voltages. This device allows line cards to be safely inserted and removed from a live backplane without causing glitches on the system power-supply rail. The MAX5970 integrates a 10-bit ADC for monitoring voltages and currents, thus allowing system designers to conserve energy and improve accuracy in high-availability systems. This hot-swap controller is well suited for networking, base-station, storage, computer, and server line cards.
ADI's Precision Thermocouple Amplifiers with Integrated Cold Junction Compensation
Analog Devices introduced a series of low-cost, precision thermocouple amplifiers for K- and J-type thermocouples, which are widely used to measure temperature in industrial, commercial, and scientific applications.
NXP to Showcase High Performance RF Products for Higher Efficiency Base Stations at International Microwave Symposium 2010
NXP Semiconductors today announced that it will showcase its latest High Performance RF and Mixed Signal products for next-generation base stations at the IEEE MTT-S International Microwave Symposium 2010 in Anaheim, California. Featured products include NXP's new high-speed data converter portfolio – the world's first data converters supporting the JEDEC JESD204A serial interface – now available for volume shipment.
IR’s XPhase Chipset Enables Smaller, Simpler Design While Delivering Best-in-Class Efficiency for Next-Generation AMD Processors
International Rectifier has introduced the IR3521 and IR3529 XPhase® chipset solution offering best-in-class efficiency over the entire load range for next-generation high performance AMD processors. The IR3521 XPhase control IC supports high speed (HS) I2C serial communications to provide overall system control, interfacing with any number of phase ICs, each driving and monitoring a single phase. When used with the IR3529 XPhase phase IC, the IR3521 enables phase dropping to significantly improve the light load performance of the power supply.
MAX3945/46: Low-jitter, integrated 10Gbps chipset enables < 1W SFP+ modules with mask margin to spare
Maxim Integrated Products (NASDAQ: MXIM) introduces a 1.0625Gbps to 11.3Gbps transmit/receive solution composed of the MAX3946 laser driver with impedance-mismatch tolerance and the MAX3945 dual-path limiting amplifier. This 10GBASE-SR/LR SFP+ transmit/receive chipset enables < 1W SFP+ optical modules while reducing overall module cost.
Analog Devices 16-Bit Precision Converter Enhances Connectivity and System Efficiency in Remote Industrial Applications
Analog Devices today introduced a precision 16-bit DAC (digital-to-analog converter) with on-board power management circuitry designed for loop-powered, smart transmitter applications used in industrial equipment. The new DAC drives system efficiency by reducing total component count and internal power consumption to allow greater functionality at the remote site. Smart transmitters are intelligent microprocessor-based field instruments that monitor process control variables, including temperature, mass flow rate, and pressure.
Isolated RS485 µModule Transceiver Integrates Isolated Power
Linear Technology has introduced the LTM2881, an isolated RS485 µModule transceiver that guards against large ground-to-ground differentials and common mode transients. In practical RS485 systems, ground potentials vary widely from node to node, often exceeding the tolerable range, which can result in an interruption of communications or destruction of a transceiver. The LTM2881 breaks ground loops by isolating the logic level interface and line transceiver using internal inductive signal isolation that allows for a much larger common mode voltage range plus superior common mode rejection of >30kV/µS.
National Semiconductor Introduces Industry’s Fastest 12-bit ADC
National Semiconductor introduced the Industry's fastest 12-bit analog-to digital converter (ADC). At 3.6 Giga-samples per second (GSPS), the ADC12D1800 is 3.6 times faster than any other available 12-bit device. The ADC's dynamic performance of -147 dBm/Hz noise floor, 52 dB noise power ratio (NPR) and -61 dBFS intermodulation distortion (IMD) enables a new generation of software-defined radio (SDR) architectures and applications.
Clocking ICs Improve Performance in Timing Signal Chain For Communications Infrastructure
Analog Devices introduced two clock products that, when designed in as part of a complete timing signal chain, improve performance and reduce programming and design complexity in synchronous optical networks and wireless base stations.
Cree to Demonstrate New GaN HEMT Power Amplifier & Switch Products
Cree announced plans to demonstrate a variety of new GaN HEMT RF packaged amplifier and switch products at the IEEE MTT-S International Microwave Symposium (Booth #836) to be held in the Anaheim Convention Center May 25 through May 27, 2010. The products to be demonstrated include a SPDT MMIC switch (300 MHz to 3 GHz); a 25 W MMIC power amplifier (10 MHz to 6 GHz); a 75 W MMIC power amplifier (2.7 to 3.5 GHz); and a 240 W transistor (2.9 to 3.5 GHz).
Infineon Makes 2nd Generation of its ThinQ! Silicon Carbide Schottky Diodes Available in Fully Isolated TO-220 FullPAK Package
Infineon Technologies today announced the availability of its 2nd generation SiC (Silicon Carbide) Schottky diodes in the TO-220 FullPAK package. The new TO220 FullPak portfolio combines the high electrical performance standards of the 2nd generation ThinQ! SiC Schottky diodes with the advantages of a fully isolated package, including easier and more reliable mounting without having to use isolating bushing and foil.
Hot Swap Controller Allows I2C Monitoring of Board-Level Operation
Linear Technology Corporation introduces the LTC4280, a 2.9V to 15V Hot Swap controller that features an onboard 8-bit ADC and I2C compatible interface. Integrated digital power monitoring enables sophisticated platform management in high-availability systems, measuring card voltages and currents, as well as recording past and present fault conditions. In such systems, careful monitoring of the health and integrity of the power distribution network is crucial. Information in the ADC registers can be queried via the I2C bus and then used to determine if a card is actually using its allocated power or operating abnormally. The LTC4280 allows an irregular card to be flagged for service before it fails, thereby improving system reliability.
MAX2136: Low-power silicon tuner improves ISDB-T and DVB-T signal reception in terrestrial TV applications
Maxim introduced the MAX2136, a digital terrestrial television tuner for ISDB-T and DVB-T applications. Combining low power consumption with excellent performance, the device achieves a low noise figure of 3.8dB while only consuming 210mW. Additionally, the tuner supports the reception of signals as large as 10dBm while maintaining an excellent sensitivity of -99dBm. On-chip tracking filters, lowpass filters, and LNAs eliminate the need for expensive external components. Offering such an optimum balance between power and performance, the MAX2136 is ideal for automotive TV systems, consumer LCD TVs, and portable navigation devices.
TI Class-D amplifiers advance audio performance
Texas Instruments Incorporated (TI) (NYSE:TXN) today introduced a 3.2-W per channel stereo Class-D amplifier and a 3-W, mono Class-D amplifier, both with fast gain ramp SmartGainTM automatic gain control (AGC) and programmable dynamic range compression (DRC). To achieve louder volume from the speaker without increasing the peak voltage, the TPA2028D1 and TPA2026D2 incorporate DRC to boost soft volumes automatically, allowing designers to compress the dynamic range of the audio to match the dynamic range of the speaker.
TI Class-D amplifiers feature automatic gain control and dynamic range compression and advance portable audio performance
Texas Instruments introduced a 3.2-W per channel stereo Class-D amplifier and a 3-W, mono Class-D amplifier, both with fast gain ramp SmartGainTM automatic gain control (AGC) and programmable dynamic range compression (DRC). To achieve louder volume from the speaker without increasing the peak voltage, the TPA2028D1 and TPA2026D2 incorporate DRC to boost soft volumes automatically, allowing designers to compress the dynamic range of the audio to match the dynamic range of the speaker.
National Semiconductor Introduces Low Noise, Ultra-High-Speed Amplifier
A new ultra-high-speed operational amplifier (op amp) from National Semiconductor Corp. (NYSE: NSM) delivers the industry's lowest noise (0.69 nV/sqrt Hz) with -3 dB bandwidth of 900 MHz at a gain of 10. The PowerWise® LMH6629 provides designers a unique mix of wide bandwidth, high gain and precision amplification for systems where minimal noise addition is a key performance requirement. These include 16-bit systems for communications, test and measurement, medical imaging, industrial, and light detecting and ranging (LIDAR) applications.
Altera Unveils 28-nm Stratix V FPGA Family
Altera Corporation announced its next-generation 28-nm Stratix V FPGA family, the industry's highest bandwidth FPGA. Offering up to 1.6 Tbps of serial switching capability, Stratix V FPGAs leverage a myriad of new technologies and a leading-edge 28-nm process to reduce the cost and power of high-bandwidth applications.
MAX4986: 2:1/1:2 active multiplexer maintains signal integrity while switching at SAS/SATA 6Gbps speeds
Maxim introduced the MAX4986, a 2:1/1:2 active multiplexer designed to switch and redrive SAS/SATA signals from one source to one of two destinations. This device integrates four programmable signal-amplitude buffers to protect against unwanted noise at the output. To further preserve signal integrity, the MAX4986 features programmable input equalization and programmable output preemphasis to compensate for circuit board loss.
Analog Devices Introduces Low-Power Radio Frequency Prescalers
Analog Devices announced today the availability of new RF prescaler circuits for a variety of applications, including point-to-point radios, VSATs (very small aperture terminals) and microwave communication systems. A prescaler is a circuit that generates an output signal related to an input signal by a fractional scale factor.
Texas Instruments launches DaVinci DMVA2 video processor, the first megapixel IP camera SoC with smart analytics
Offering the first megapixel IP camera system on chip (SoC) equipped with smart analytics, Texas Instruments introduced the DaVinci DMVA2 video processor. Video surveillance and security customers can easily utilize integrated smart analytics that run on TI's first generation vision co-processor incorporated on the DMVA2 SoC.
Avago Technologies Released MultiMode 3x3 Power Amplifier Modules
Avago Technologies announced ten new compact UMTS Power Amplifier Modules that maximize handset talk time and extend battery life. UMTS Bands 1, 2, 4, 5 and 8 are supported. "In the ACPM-500x and the ACPM-520x series, we have incorporated our tier-one customer requirements for an integrated directional coupler, multi-mode power control, low current, and high PAE (power added efficiency)," said James Wilson, Marketing Director of Avago Technologies. "The directional coupler is a real cost saving feature for all handset makers, and the improved efficiency will give most users longer talk time."
STMicroelectronics Extends VIPower Portfolio with Ultra-Small and Energy-Saving Intelligent Power Switch Targeting Industrial Applications
STMicroelectronics has introduced an intelligent power switch (IPS) for use in industrial controls, which provides improved accuracy to minimize energy losses and prevent system errors when faults occur. These advantages are achieved using ST's latest generation VIPower technology, which allows a lower overload current limit than competing devices to maintain stable power conditions while the system is recovering.