12-bit ADCs Address Space-Constrained Applications

December 9, 2008 6:50 am | Analog Devices, Inc. | Product Releases | Comments

Requiring only eight pins and traces compared to as many as 26 in similar dual-channel devices, a pair of four-channel 12-bit analog-to-digital converters (ADCs) Analog Devices use up to 50 percent less printed-circuit-board surface area than other ADCs in their class. Requiring a single 1.8-Vin, the 250-MSPS (mega-sample-per-second) AD9239 incorporates a packetized output scheme, while the 210-MSPS AD9639 supports a JESD204-compliant output.


Audio Amplifier Exhibits Low PSRR

December 9, 2008 5:55 am | On Semiconductor | Product Releases | Comments

Performing in portable and wireless applications, ON Semiconductor's NCP2991 Class AB audio amplifier offers a power supply rejection ratio (PSRR) of -103 dB. The 1.450-mm × 1.450-mm × 0.600-mm µBump-packaged component demonstrates selectable start-up time between 15 ms and 20 ms, current consumption of 20 nA, total harmonic


Discovery Opens Potential for Spintronic Logic

December 9, 2008 5:27 am | Product Releases | Comments

Researchers working at the National Institute of Standards and Technology (NIST) have demonstrated for the first time the existence of a key magnetic—as opposed to electronic—property of specially built semiconductor devices. This discovery raises hopes for even smaller and faster gadgets that could result from magnetic data storage in a semiconductor material, which could then quickly process the data through built-in logic circuits controlled by electric fields.


Synthesizer ICs Demonstrate Low Phase Noise

December 8, 2008 11:03 am | Product Releases | Comments

Operating from -40°C to 85°C, Hittite Microwave’s HMC700LP4E fractional-N and HMC698LP5E and HMC699LP5E integer-N synthesizer ICs exhibit a phase noise of -108 dBc/Hz with FOM in the order of -227 dBc and -153 dBc/Hz at 10-kHz offset from a 100-MHz, 0-dBm signal, respectively. The 8-GHz HMC7000LP4E has a 16-bit fractional divider, 24-bit delta-sigma modulator, 14-bit reference path divide, charge pump, and


Microcontrollers Target Driver-Assist Vehicle Applications

December 8, 2008 8:42 am | Renesas | Product Releases | Comments

Created to address the increasingly popular “preventative safety” features in new vehicles, the 32-bit SH74504 and SH74513 microcontrollers (MCUs) from Renesas Technology feature on-chip flash memory and peripheral sets tailored for driver-assist systems. Examples of such “proactive” in-vehicle features include lane-departure warning systems, adaptive cruise control functions and blind-spot monitors.


Downconversion Mixer Provides Two Independent Channels

December 5, 2008 9:33 am | Product Releases | Comments

Operating from 700 MHz to 1,000 MHz, Maxim Integrated Products’ MAX19985A dual downconversion mixer provides 2 independent downconversion channels, each with a typical IIP3 of 25.5 dBm, typical conversion gain of 8.7 dB, and typical noise figure of 9 dB. The 6-mm x 6-mm 36-pin TQFN-packaged component offers a 2LO-2RF spurious rejection of 76 dBc for an RF level of -10 dBm and 71 dBc for a level of -5 dBm. The SiGe downconverter


Video Buffer Draws Low Standby Current

December 5, 2008 9:33 am | Stmicroelectronics | Product Releases | Comments

Addressing power-conscious systems such as those in portable devices, the TSH122 video buffer IC from STMicroelectronics has an operating current of 1.7 mA and what is presented as the lowest standby current among comparable devices, 4 nA typical, 500 nA maximum. The input voltage range is from 2.2 to 5 V, and features include a differential gain of 0.5%, a differential phase of 0.5 degrees, and a group delay of 10 ns. Attenuation at 27 MHz is typically

LISTED UNDER: ICs | Optoelectronics & Displays

Controller Supports Synchronous and Non-synchronous Designs

December 5, 2008 6:03 am | Product Releases | Comments

Supporting both synchronous and non-synchronous designs, a single output, step-down controller from Advanced Analogic Technologies is capable of providing power conversion for lower-cost 12-V adapters. Offering both high and low-side pins, the controller supports a 6-V to 24-V input range


Op Amps Exhibit Low Input Noise

December 4, 2008 11:05 am | Product Releases | Comments

Included in the WEBENCH Sensor Designer Tool, National Semiconductor’s LMP2021 (single) and LMP2022 (dual) zero-drift operational amplifiers present an input voltage noise of 11 nV/sqrt Hz at a gain of 1,000 V/V. The components use EMI suppression filters, demonstrate an EMI rejection ratio (EMIRR) of 79 dB, support 24-bit data acquisition systems, and optimally drive the ADC161S626 16-bit ADCs. The products offer input offset


MMIC Chip Accepts Parallel Data Input

December 4, 2008 7:07 am | Product Releases | Comments

Featuring parallel data input and compensated on-chip gate bias, an 8.5 to 11-GHz gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) core chip from Mimix Asia delivers 21 dB of RX gain. The transmit amplifier also has a typical Small-signal gain of 19 dB. Mimix performs on-wafer RF, DC, and output power testing on the XZ1002-BD


VHF Modules Combine Driver and Output Stage

December 4, 2008 6:59 am | Product Releases | Comments

Consisting of a driver and an output stage, a pair (10 watt and 40 watt) of wide-band VHF power amplifier modules from M/A-COM simplifies design in mobile, portable, and base station systems for microwave and RF applications. The 10-W MAPM-020512-010C00 is a dual-stage module with over 20 dB of gain


Buck Regulator Achieves High Efficiency

December 4, 2008 6:08 am | Fairchild Semiconductor | Product Releases | Comments

Exhibiting an input voltage range from 3 V to 24 V, Fairchild Semiconductor’s FAN2108 8-A TinyBuck DC/DC buck regulator delivers 92% efficiency at 3.3-V output and 87% efficiency at 1.8-V output with 12-V input and 8-A load current, and peak efficiency of 95% at 5-V input and 3.3-V output. The 5-mm × 6-mm MLP-packaged component integrates


RFID IC Monitors Temperature Throughout Shipping Process

December 3, 2008 8:44 am | Product Releases | Comments

Enabling logistics customers to monitor and record temperature and humidity throughout the shipping process, the ZMD41211 temperature logger and Smart Label RFID IC from ZMD AG has a built-in timer function. The temperature logger complies with ISO 15693 RFID technology and can be read and programmed with existing standard compliant systems


RF Transistors Operate in Wide Frequency Range

December 3, 2008 6:22 am | Product Releases | Comments

Functioning in radar applications, signal jammers, and wireless communications, TriQuint Semiconductor’s PowerBand family of broadband RF transistors perform in an operational frequency range from 500 MHz to 3 GHz. The devices deliver an output power range from 10 W to 50 W, and demonstrate operating voltages ranging from 12 V to 28 V. The components can be developed using gallium arsenide (GaAs) and


Controllers Present ±5 Percent Current/Voltage Regulation

December 1, 2008 11:13 am | Product Releases | Comments

Targeting universal input applications rated at up to 8 W, CamSemi’s C2140 Series primary side sensing (PSS) flyback controllers demonstrates current and voltage regulation of ±5%. The SOT23-6-packaged components uses algorithms combined with digital techniques to monitor the output voltage, provide current regulation, and enable quasi zero voltage



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