Analogue, Mixed Signal, LSI


Latest Articles

Submicro op-amps with internal voltage reference operate down to 1,4 V
7 April 2004, CST Electronics
Maxim has introduced the MAX4036-MAX4039, claimed to be the industry's smallest submicro op-amps with and without an integrated reference voltage. The MAX4037 (single) and MAX4039 (dual) feature a 1,232 ...

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How to save power in battery applications using the power-down mode in an ADC
7 April 2004
Size and power consumption are two critical features in portable battery-powered applications. Battery life is a critical concern to the system designer. Battery discharge curves differ, depending on ...

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35 dB gain-sloped LNB IF amplifiers
7 April 2004, Electrocomp
Infineon's BGA 430 and BGB 540 are the ideal solution for the complete low noise block (LNB) IF amplifier path in the frequency range from 950 MHz to 2150 MHz. These monolithic microwave integrated circuits ...

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1/8 to full-size DC-DC bricks
7 April 2004
Power-One has expanded its isolated DC/DC brick product family with the addition of new through-hole, surface-mount, low-voltage/high-current, and bus converter models. Over 200 Distributed Power Architecture ...

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Zero-drift amp for portable instrumentation cuts power
7 April 2004
Linear Technology claims its LTC2054 and LTC2054HV are the industry's lowest power zero-drift amplifiers, rated at 175 µA maximum supply current. The devices offer a 2,5 times reduction in power consumption ...

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LNAs have high dynamic range
7 April 2004
Four high IP3 GaAs MMIC low noise amplifiers from Hittite Microwave for receiver applications in wireless basestations operate from a single positive supply, feature a noise figure of 1 dB or less, and ...

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Novel ADC for digital microphones
7 April 2004
By supporting the full audio band up to 20 kHz, Zarlink's new ultra-low-power mixed-signal A/D converter for digital microphones helps achieve clearer sound quality in cellphones. In addition, the convertor ...

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Axial-coated silicon resistors
24 March 2004, Electrocomp
Arcol's axial-coated silicon resistors feature resistance tolerances offered from 0,05% to 10%. Both inductive and non-inductive resistors are available in values that range from R005 to 100 kΩ. Rated ...

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Mixers feature integrated LO driver amp
24 March 2004
Hittite Microwave's two new mixers with integrated LO driver amplifiers require only 0 dBm of LO drive. These GaAs MMIC mixers for Cellular/PCS/3G Infrastructure, Fixed Wireless and point-to-point applications ...

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SiGe RF transistors for wireless applications
10 March 2004, Electrocomp
Infineon has designed its latest generation of Silicon-Germanium (SiGe) technology to provide optimum RF performance with a very low noise ratio. SiGe RF transistors are designed for highest-frequency ...

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Precision instrumentation amp in MSOP package has high CMR
10 March 2004, Perimeter Security, Alarms & Intruder Detection, Products & Solutions
The AD8221 instrumentation amplifier provides the highest CMR (common mode rejection) over frequency of any instrumentation amplifier available in an MSOP package (half the size of a traditional SOIC ...

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15 W Class-D amplifier for flat-panel displays
10 March 2004, CST Electronics
Maxim says that its MAX9704, a 15 W stereo, Class-D audio amplifier, offers the audio quality typically associated with linear (Class-AB) amps and the benefits of high-efficiency Class-D operation, eliminating ...

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Tight tolerance all-silicon dual clock oscillator
10 March 2004, CST Electronics
Dallas Semiconductor claims its DS1099, a low-power, low-frequency oscillator, is the world's smallest single-component, all-silicon dual oscillator. The DS1099 EconOscillator provides two independently ...

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Sub 1 PPM TCV/CXO suitable for lead-free soldering
10 March 2004, Altron Arrow
C-MAC MicroTechnology, has extended its range of frequency control products with the CFPT-125 series, a range of 7 x 5 x 2 mm SMD temperature-compensated voltage-controlled crystal oscillators (TCVCXO). ...

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Headphone amp operates down to 0,9 V
10 March 2004, CST Electronics
Maxim has extended its DirectDrive headphone amplifier series with the introduction of the MAX9721A/B/C devices. The MAX9721 operates from a 0,9 to 1,8 V single supply, allowing the device to be powered ...

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Ultra-low noise op-amps draw very low current
10 March 2004
Two new families of high-speed operational amplifiers from Linear Technology set new low power and low noise performance benchmarks. These devices are claimed to consume only 50% as much power as competitive ...

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Digital potentiometers cut price of non-volatile memory
25 February 2004
Analog Devices' AD517x family features compact 'set and forget' digital potentiometers with the ability to lock their resistance to a chosen value upon command. The AD517x family replaces mechanical trimmers ...

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Low-resistance analog switches also smallest
25 February 2004, Altron Arrow
Fairchild Semiconductor offers three new low-Ohmic analog switch products - the FSA4157 single pole/double throw (SPDT), FSA1156 normally open single pole/single throw (SPST NO) and the FSA1157 normally ...

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Audio transistors have highest voltage rating
25 February 2004
A new family of audio bipolar transistors claimed to have the highest voltages available in the industry is being offered by ON Semiconductor. The MJL4281A (NPN) and MJL4302A (PNP) audio-output transistors ...

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10/12 bit high-speed ADCs also low powered
25 February 2004, Altron Arrow, Transport (Industry)
National Semiconductor has strengthened its portfolio of high-speed analog-to-digital converters (ADCs) by introducing five new 10- and 12-bit converters that it claims feature the industry's lowest power ...

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