RF Front-End Solution Integrates Two Power Amplifiers

December 24, 2008 4:59 am | Product Releases | Comments

Designed for WiFi applications, SiGe Semiconductor's SE2566U RF front-end solution incorporates 2 fully-matched power amplifiers on a single die. The 3-mm × 3-mm device integrates harmonic filters, input and output matching circuitry and power detectors for each transmit stream. The product includes an integrated receive path situated between


Power Amplifier Module Serves FDD/TDD Apps

December 24, 2008 4:33 am | Product Releases | Comments

Covering from 2.3 GHz to 2.7 GHz, Skywork Solutions' SKY77441 SMT power amplifier module targets LTE frequency division duplex (FDD) Band 7 and time division duplex (TDD) Bands 38 and 40 applications. The 4-mm × 4-mm × 0.85-mm unit delivers


Boost Converter Supports 5 µA Operating Current

December 23, 2008 7:08 am | Product Releases | Comments

Operating at 5 µA of quiescent current, the TPS61220 2-MHz DC/DC boost converter from TI supports an input voltage of 0.7 V to 5.5 V and an output voltage range of 1.8 V to 5.5 V. The chip maintains 85 percent efficiency at light load, provides output current up to 50 mA at a 5-V output, and discharges the system’s lithium-ion battery


CPLDs Serve Handheld Designs

December 23, 2008 6:10 am | Product Releases | Comments

Based on ispMACH 4000 CPLD architecture, Lattice Semiconductor’s ispMACH 4064ZE and ispMACH 4128ZE CPLDs (complex programmable logic devices) target high-volume, handheld designs. The 6-mm × 6-mm devices exhibit typ. standby current of 10 µA, a nominal 1.8-V power supply with operation down to 1.6 V, Power Guard dynamic power reduction, and per pin pull-up, pull-down, or bus keeper control; an on-chip user oscillator and


MOSFET Driver Supports Voltages up to 28 V

December 22, 2008 6:32 am | Product Releases | Comments

Supporting voltages up to 28 V, the AAT4910 half-bridge, dual MOSFET driver from AnalogicTech is billed as featuring the industry’s lowest impedance in its class for multiphase DC-DC converters. With a 3-Ohm drive resistance, the driver is powered from a 5-V rail. When driven low, the enable input turns off the driver and reduces


Temperature Switches Offer User Programmability

December 19, 2008 6:21 am | Microchip Technology Inc. | Product Releases | Comments

Triggering for temperatures ranging from -40°C to 125°C from an operating voltage from 2.7 V to 5.5 V, Microchip Technology's MCP9509 and MCP9510 logic-output temperature switches exhibit a temperature-switch threshold that can be programmed with a single external resistor. The devices monitor temperature based upon user-programmed resistance values, and, when the programmed temperature threshold is reached, the switches


Active Star Transceiver Incorporates Embedded Bit-Reshaper

December 18, 2008 6:42 am | Product Releases | Comments

Reducing the asymmetric delay caused by components in FlexRay networks or introduced by external interferences onto the network, austriamicrosystems’ AS8224 FlexRay Active Star transceiver integrates an embedded bit-reshaper for use in in-vehicle networks. The device is capable of reshaping single bits in 12.5 ns steps (microtick) up to a total amount of 37.5 ns (3 microticks). The mechanism performs a clock-deviation


Switches Support Multicast Functionality

December 18, 2008 6:36 am | Product Releases | Comments

Utilizing IDT switch and interface technology, two PCI Express (PCIe) Gen2 switching solutions from IDT support multicast functionality. Compliant with the PCI-SIG PCIe base specification 2.0, the switches double the throughput bandwidth of existing PCIe lanes to 5 gigabits per second of data transfer


Power MOSFETs Exhibit High Package Current Rating

December 17, 2008 6:52 am | International Rectifier | Product Releases | Comments

Offering TO-220, D2PAK, and D2PAK-7 packaging options, International Rectifier’s new range of trench HEXFET power MOSFETs provide a package current rating of up to 195 A (TO-220 and D2PAK) and 240 A (D2PAK-7). The N-channel components demonstrate on-state resistances from 2.5 mOhm to 22 mOhm, voltages from 60 V to 200 V, and Qg from 73 nC to 200 nC. The RoHS-compliant devices qualify to


Power MOSFETs Offer Low On-Resistance

December 16, 2008 5:04 am | Product Releases | Comments

Based on TurboFET technology, Vishay Intertechnology’s 20-V SiS426DN and SiR496DP and 30-V Si7718DN and Si7784DP N-channel power MOSFETs exhibit “on-resistance times gate charge” of 76.6 mOhm-nC at 4.5 V and 117.6 mOhm-nC at 10 V (20-V) and 112.34 mOhm-nC at 4.5 V and 180 mOhm-nC at 10 V (30-V). The 20-V units offer on-resistance of 5.8 mOhm at 4.5 V and 4.2 mOhm at 10 V and


Linear Power Amplifier Delivers 49-dBm OIP3

December 15, 2008 9:04 am | Product Releases | Comments

Exhibiting small signal gain of 14.5 dB, Mimix Broadband’s XP1050-QJ GaAs MMIC linear power amplifier offers 49-dBm OIP3 in a frequency range from 7.1 GHz to 8.5 GHz. The 6-mm × 6-mm QFN-packaged component includes an integrated temperature-compensated on-chip power detector, on-chip ESD protection structures, and DC bypass capacitors. The RoHS-compliant device operates in point-to-point


Buck Controllers Provide Input Voltage Range to 75 V

December 15, 2008 8:20 am | Product Releases | Comments

With input voltage range up to 75 V, four high-voltage, non-synchronous buck controllers from National Semiconductor feature 85 percent peak efficiency when powering low voltage loads from a high voltage supply. The controllers can regulate output voltages as low as 1.2 V at load currents in excess of 5 A


Programmable Clock Generators Offer Three Independent PLLs

December 12, 2008 11:59 am | Product Releases | Comments

Exhibiting frequency stabilities from ±25 ppm to ±50 ppm, SiTime’s SiT9103 and SiT9104 MEMS-based programmable clock generators present 3 independent PLLs that can offer 3 unrelated clock frequencies. The SiT9103 provides 3 differential clock outputs that can operate at up to 800 MHz in servers, routers, RAID controllers,


Microcontrollers Support USB

December 12, 2008 4:36 am | Product Releases | Comments

Adding to the JM family, Freescale Semiconductor’s MC9S08JM16 8-bit microcontrollers integrates on-chip USB 2.0 full-speed device support. The components offer a 48-MHz S08 core, a bus frequency of 24 MHz, up to 16-KB Flash memory, 1-KB SRAM, 256-B USB RAM, and an operating voltage range from 2.7 V to


Mixed-Signal Microcontroller Consumes Low Power

December 11, 2008 9:58 am | Product Releases | Comments

Using a power-saving stop mode, Maxim Integrated Products’ MAXQ2010 16-bit mixed-signal microcontroller reduces power consumption to 370 nA and 6.5 mA max. at 85°C in battery-powered devices. The 100-pin, LQFP-packaged component performs at up to 10 MIPS at 10 MHz with a typical active-mode current of 3.1 mA at



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