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What is a differential amplifier?
An amplifier whose output signal is proportional to the algebraic difference between two input signals; The input stage of operational amplifiers and emitter coupled logic gates.
total search1324 articles
2006-10-03 Dual audio op amp practically 'eliminates' distortion
National Semiconductor has announced a dual, high-fidelity audio op amp claimed to practically eliminate distortion, with a THD+N of 0.00003 percent.
2005-11-03 Driver amp spans 11 to 20GHz
Mimix Broadband introduced a GaAs three stage driver amplifier with a self-biased, single supply design.
2013-11-04 Diodes intros compact 20W mono Class-D audio amp
PAM8320's low-impedance drive capability enables it to deliver 20W into a 4 bridge-tied-load speaker, aimed at small-enclosure speakers in wireless headphones, PCs and docking station products.
2009-03-20 Digital signal mixer packs 4-channel power amp
ClearOne has released the Converge SR 1212A digital signal processing mixer with 4-channel power amplifier that interfaces with 8? or 70v/100v loudspeaker systems.
2007-11-14 Digital amp puts home-theater sound in TV speakers
D2Audio has announced a digital amplifier IC for TV that it says will enable speakers inside flat-panel TVs to produce home theater sound without adding any cost.
2008-12-10 Digital amp for flat-screen TVs unveiled
Renesas Technology Europe has announced the R2J15116FP, a compact, high-performance digital amplifier supporting IIS*1 digital audio signal input with a built-in 24bit audio DSP. It is intended for use in thin flat-screen TVs using LCD or PDPs.
2005-11-16 Differential amp drives high-speed converters
Analog Devices' new AD8352 differential amplifier drives up to 14-bit ADCs at speeds of 180MHz.
2009-05-20 DC/DC converters pack 258MHz voltage-error amp
From Maxim Integrated Products come the MAX15038/MAX15039, small, synchronous DC/DC converters that deliver up to 4A and 6A of output current, respectively.
2004-03-04 Dallas device speeds up power-amp module design
The DS1870 from Dallas Semiconductor biases two LDMOS power amps over temperature and drain voltage/current variations.
2009-05-28 DAC/amp IC cuts cost, improves audio performance
From Diodes Inc. comes an 8-channel DAC and pre-amplifier chip offering designers of audio video receivers (AVR) and add-on sound cards the opportunity to reduce component costs while at the same time improving audio performance.
2009-05-26 DAC/amp enhances audio quality in mobile apps
Wolfson Microelectronics has begun sampling a single-chip mono DAC and speaker amplifier targeted at improving audio quality in a range of devices such as mobile phones, conference speakerphones, digital radios and PNDs.
2007-02-15 Current sense amp touts 'exceptional' flexibility
Linear Technology's LTC6104 current sense amplifier is suitable for bidirectional operation and promises exceptional flexibility via gain programmability for each current sense direction.
2007-12-12 Current sense amp operates as high- or low-side monitor
Linear Tech's LT6105 current sense amp is independent of the positive supply voltage, making it suitable for a wide range of applications and enabling it to operate as a high-side or a low-side current sense monitor.
2011-07-11 Current sense amp offers 350?V offset voltage
Linear Technology has announced the release of its LT6109 high side current sense amplifier that incorporates a current sense amplifier, dual comparators and a precision 400mV voltage reference.
2005-05-04 Current sense amp mixes high voltage, fast response time
Linear Tech rolled out a high side current sense amplifier that combines very quick response times with an input voltage range of 4V to 60V
2007-07-26 Current sense amp has 10V offset, zero drift
Linear has begun full production of a zero-drift high-side current sense amplifier that provides a maximum input offset voltage of 10?V.
2002-02-26 Cooper fuses hike Vdc, amp ratings
Cooper Electronic Technologies now offers enhanced versions of the Cooper Bussmann 6125FA brick fuses.
2008-10-16 Consider performance, stability in audio amp design
Audio amplifier products are becoming more and more advanced. Experienced EEs are using different sorts of circuitry in their audio amplifier designs.
2008-09-22 Compact op amp delivers stable protection circuitry
ADI has launched a highly integrated precision operational amplifier with on-chip over-voltage protection circuitry.
2006-03-16 CMOS op amp tailored for industrial, telecom apps
The new, rail-to-rail output CMOS op amp from National Semiconductor offers a wide operating range up to 24V and meets requirements of industrial and telecommunications applications.
2011-01-31 Class-G headphone amp delivers 100dB SNR at 6.5mW
Texas Instruments's TLV320DAC3202 Class-G headphone amplifier integrates DAC and power rails to deliver audio playback quality and extend battery life in moderately priced phones and other portable CE.
2007-09-17 Class-D op amp boasts high efficiency, small size
Texas Instruments Inc. has introduced a monolithic, filter-free, Class-D audio power amplifier with an integrated boost converter, which provides constant output power for portable applications
2009-02-02 Class-D audio amp handles up to 6.5Vdc
Apexone Microelectronic has launched the A7023 stereo digital volume-controlled Class-D audio amplifier IC that features of up to 6.5Vdc working voltage to meet the requirements of batteries or chargers.
2010-02-05 Class-D audio amp equipped with DAC noise filter
From Texas Instruments Inc. comes a 3.2W, mono Class-D audio amp with an integrated DAC noise filter that reduces codec noise by as much as 82 percent, compared to devices without this feature.
2010-06-18 Class-D amp with boost converter extends battery life
TI's Class-D audio amplifier with boost converter packs battery monitoring AGC and SpeakerGuard technology to prevent early shutdown at low battery voltages.
2010-06-10 Class-D amp tailored for DVD, Blu-ray players
STMicroelectronics is rolling out an analog-input 2 x 100W class-D power amplifier, extending its range of Class-D devices that deliver audiophile sound quality.
2008-10-24 Class-D amp slashes up to 50% cost in car audio systems
Texas Instruments has extended its TAS54xx family of Class-D audio amplifiers with two new devices that offer greater integration and channel flexibility, saving OEMs up to 50 percent system cost when designing automotive head unit and external amplifier applications.
2008-05-16 Class-D amp evaluation made easy through design kits
Microsemi's reference design kits will enable RF design engineers to immediately evaluate a highly efficient, high-power Class-D amplifier.
2005-05-11 Class-D amp enhances flat screen TV sound quality
This Class-D amplifier for flat screen TVs from Royal Philips Electronics drives 20W of continuous output power per channel with no external heat sink.
2008-07-09 Class-D amp does dynamic range compression
Texas Instruments has introduced a highly advanced, filter-free, stereo Class-D amplifier that provides a 1.7W per channel output drive capability across an 8 load and improves overall volume vs. traditional Class-D products.
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