Audio Amplifiers

Electronic Components & Devices

Audio Op-Amp enhances professional audio equipment performance.

December 18, 2015

Available in 3 x 3 mm DFN package, Burr-Brown™ OPA1622 delivers up to 150 mW of output power and THD of -135 dB @ 10 mW. Quiescent current consumption is 2.6 mA/channel, and linear output current is 80 mARMS. Conserving board space without compromising performance, power-supply rejection ratio (PSRR) of -97/-123 dB @ 20 kHz enables low distortion from switching power supplies without LDO. Enable-circuitry design limits output transients when op-amp transitions into or out of shutdown mode. Read More

Electronic Components & Devices, Mechanical Power Transmission

Class-D Audio Amplifiers feature I2S serial bus interface.

November 5, 2015

Providing 3D surround sound, audio mixing, 20 band equalizer, and dynamic range control, 20 Watt Models IS31AP2111 and IS31AP2121 target medium-power multimedia applications such as Bluetooth speakers, sound bars, LCD projectors, and HDTVs. Both devices operate in Bridge-Tied Load mode, which doubles available power to speaker load. I2S interface transfers audio signals in digital format to maintain maximum audio quality when distributed between audio devices. Read More

Communication Systems & Equipment, Electronic Components & Devices

Audio Converter preserves tone of musical instruments.

November 6, 2014

Featuring rugged construction, SC800A preserves tone of musical instruments via active circuitry that extends reach and audio fidelity for professional audio engineers and musicians. This 48 V, phantom powered direct box converts unbalanced outputs of passive musical instruments, such as acoustic guitar and bass, to balanced, mic-level signals that can be connected to audio consoles and mic preamps. Read More

Electronic Components & Devices

Stereo Class-D Power Amplifier delivers 20 W per channel.

October 28, 2014

Housed in 28-pin TSSOP package, Model IS31AP2110 optimizes audio quality for multimedia applications, such as sound bars, LCD projectors, and HDTVs. Adjustable power limit function and dynamic temperature control enable quality audio playback without external heat sink. Eliminating need for input resistors, 4 digitally selectable gain settings from 20–36 db ensure optimized input matching to minimize noise. Advanced output stage permits use of ferrite bead filters for EMC compliance. Read More

Mechanical Power Transmission, Electronic Components & Devices

Class-D Audio Amp is suited for eCall, telematics applications.

August 28, 2014

Supplied in 16-pin HTSSOP with PowerPAD package, TAS5421-Q1 automotive Class-D audio amplifier integrates 40 V load-dump and over-temperature protection and diagnostics in one device for emergency call (eCall) and instrument cluster systems. Mono-channel, analog differential input product integrates I²C diagnostics and offers quiescent current that eliminates need to use additional battery cells. Integration helps simplify automotive-grade diagnostic design and extend battery back-up power. Read More

Test & Measuring Instruments, Communication Systems & Equipment, Electronic Components & Devices

Upconverters and Power Amplifiers range from 25-100 W.

April 15, 2014

Comprising Ku-band block upconverters and solid state power amplifiers, ATOM Series is available for standard, extended, and custom frequency Ku-bands in 25, 40, 50, and 100 W configurations. Units provide off-the-shelf options, such as wideband, fast switching, and active or passive cooling. Available with custom RF output options from 13.0–17.5 GHz for non-traditional frequencies, devices are suited for portable VSAT, Satcom on the Move, Radar, TWTA replacement, and airborne terminals. Read More

Electronic Components & Devices

DSD DAC/Headphone Amplifier offers 256X DSD upsampling mode.

January 9, 2014

Equipped with Voltikus power supply and aluminum remote control, Zodiac Platinum features 256X unsampling mode, where DSD64 and DSD128 are unsampled to DSD256. Unit includes custom-built USB chip capable of carrying DSD128 and up 24-bit, 384 kHz PCM files, as well as wide range of connectivity options, including AES/EBU and S/PDIF I/O, TOSLINK inputs, set of balanced and unbalanced analog outs, and unbalanced RCA input. In addition, device provides 64-bit Acoustically Focused Clocking. Read More

Electronic Components & Devices

Audio Amplifiers feature closed-loop architecture.

October 10, 2013

Capable of streaming 20 W continuous power per channel without heatsink, TAS5760xx Series is suited for mid-power stereo audio applications, including TVs, soundbars, portable docking stations, and Bluetooth® speakers. Units feature THD+N of 0.03% at 1 W, crosstalk of -92 dB, and 66 µV idle channel noise. Supporting voltage range of 4.5–26.4 V, digital-input I2S amplifiers provide power supply rejection ratio of 80 dB, switching frequency up to 1.2 MHz, and RDS(on) of 120 mΩ. Read More

Electronic Components & Devices

Stereo Mixer/Amplifier suits above ceiling applications.

May 28, 2013

Featuring 3 inputs, PlenumAmp PMA-350H is designed for conference room and classroom audio systems. Plenum-rated, 24 V, 50 W mixer/amplifier features Auto-HummBuster technology, which automatically suppresses noise that sometimes infiltrates classroom audio systems.  Unit is compatible with optional external wall volume control, which utilizes 10K analog pot. To provide priority override for P/A system, amplifier senses P/A audio and mutes connected audio sources to ensure delivery of important messages. Read More

Computer Hardware & Peripherals, Controls & Controllers, Electronic Components & Devices

Reference Design supports automotive emergency call systems.

March 28, 2013

Integrating AEC-Q100 qualified components, Automotive eCall Reference Design includes TPA3111D1-Q1 mono Class D audio amplifier; TPS43330-Q1 single-boost, dual synchronous buck controller; TLV70033-Q1 voltage regulator; and MSP430F2232 16-bit microcontroller. TPA3111D1-Q1 delivers 10 W output power at 8 Ω with greater than 90% efficiency, while TPS43330-Q1 supports automotive start/stop and boosts back-up battery supply voltage, allowing operation down to 2 V at input. Read More

Electronic Components & Devices, Green & Clean

Class-D Digital Amplifier ICs optimize in-car audio.

October 23, 2012

Featuring integrated digital input, 4 x 135 W Model FDA4100LV and 4 x 50 W Model FDA450LV require no signal conversion or filtering circuitry. Devices provide 4, 2, and 1 Ω speaker driving capability, with SNR ratio of 110 dB and 108 dB dynamic range. Feedback loop allows use in OEM and aftermarket products by minimizing dependence on speaker type. Tested for compliance with automotive EMI standards, ICs are stop-start engine compatible and include I2C interface for digital control and diagnostics. Read More

Electronic Components & Devices

Class D Speaker Amplifiers offer high jitter tolerance.

October 2, 2012

With digital input for noise immunity, Models MAX98355 and MAX98356 feature pulse-code modulation and pulse-density modulation input, respectively. Units have internal circuitry that detects input clock and automatically calculates sample rate. Providing 2.5–5.5 V single supply operation with 92% efficiency, Class D amplifiers deliver optimal audio quality with high jitter tolerance of 0.013% THD+N at 1 KHz and 99 dB dynamic range. Read More

Electronic Components & Devices

Class-D Audio Amplifiers increase performance, lower power draw.

July 6, 2012

Supplied in 10 x 6 mm, 32-pin HTSSOP, TPA3116D2/TPA3118D2/TPA3130D2 analog-input class-D stereo amplifiers are intended for use in soundbars, after-market automotive solutions, portable audio docks, and LCD TVs. Programmable switching rates of 400 KHz to 1.2 MHz and supply range of 4.5-26 V lend to audio output optimized for quality and efficiency. Each model has closed-loop design, and FETs allow 30 W x 2 operation without heat sink or 50 W x 2 with heat sink (TPA3116D2 only). Read More

Electronic Components & Devices

Class D Amplifier comes in 1 x1 mm package.

January 20, 2012

Providing Class AB audio performance with Class D efficiency while helping to conserve PCB space in mobile applications such as portable electronic products, MAX98314 mono, 3.2 W, Class D amplifier has integrated input coupling capacitors that provide optimized voltage-independence and matching. Linearity promotes system PSRR and performance at low frequencies, while noise floor level and click-and-pop suppression techniques enhance sound quality. Read More

Electronic Components & Devices

Class-D Audio Amplifier delivers 3.2 W/mm² power density.

January 13, 2012

Measuring 100 mm², Model TDA7498E delivers 320 W of total output power, 160 W on each channel. Device exhibits SNR of 100 dB and provides 4 selectable, fixed-gain settings at 23.8, 29.8, 33.3, and 35.8 dB. Analog IC enables design of platform solutions where speaker impedance can be changed from 8-2 W without power or current limitation. Other features include built-in suppression of pop/click noises, standby and mute functions, and balanced input for best TDMA noise rejection. Read More

Electronic Components & Devices, Green & Clean

ENERGY STAR® Qualified Amplifiers have convection cooled design.

October 12, 2011

Used in commercial environments where multiple speakers need to be run from one amplifier, convection-cooled AMP Series helps meet energy savings objectives without sacrificing audio performance. Each channel is selectable for 210 W @ 4 ohms or 120 W @ 8 ohms and isolated 120 W at 70 or 100 V. Delivering low-noise, low-distortion performance, amplifiers have automatic shut-off and turn-on functionality and suit background music, AV presentation, paging, and public address applications. Read More

Electronic Components & Devices

Commercial Audio Amplifiers meet ENERGY STAR certification.

June 20, 2011

Channel selectable for 70 or 100 V, AMP Series is suited for lecture halls, restaurants, and conference rooms. At less than 11 in. deep, Models AMP 2210S and AMP-3210S offer 2 or 3 channels to drive 4 and 8 W speakers at 120 W and 210 W, respectively. At less than 15 in. deep, Models AMP-2210T and AMP-3210T deliver 2 or 3 channels for 210 W at 4 W, 120 W at 8 W, and 120 W at 70/100 V. Model AMP-2210HT offers full 210 W at 70 V. All fit in 1U rack and include auto power-down. Read More

Electronic Components & Devices

Audio Amplifiers address small venue needs.

May 17, 2011

Suited for boardrooms, houses of worship, control rooms, classrooms, and libraries, Intelli-Tools IT-A25-M70 Mono Amp provides 4-8 W speaker output or 70 V line output at 25 W RMS, while IT-A25 Stereo Amp delivers 25 W/channel output at 8 W and can be bridged to drive 4 W load at 50 W. Both include signal sense trigger for sleep and wake up, music and alarm muting capability, surface mounting brackets, and self-adhesive rubber feet. Read More

Electronic Components & Devices

Digital Audio Power Amplifier suits thin-panel televisions.

April 26, 2011

Model TAS5727, 25 W digital audio power amplifier features 2-band dynamic range compression to provide audio processing capabilities that overcome audio quality limitations of small speakers. Designed for driving stereo bridge-tied speakers, product has RDS(ON) of 75 mW and class-D operation that eliminates need for heatsinks. It is programmed using TAS57xx Graphical Development Environment and can be managed using CC8520 PurePath(TM) SOC via I2C interface. Read More

Electronic Components & Devices

Class G Stereo Analog Amplifier IC targets mobile handsets.

March 2, 2011

PowerWise® LM49251 IC combines 1.4 W Class D speaker amplifier, 20 mW Class G headphone amplifier, and ALC in 2.55 x 3.02 mm micro SMD package. Consuming less than 7 mA quiescent current at 3.3 V, unit features low EMI pulse-width modulation architecture that reduces RF emissions while preserving audio quality. Mode selection, shutdown, and volume are controlled through I2C-compatible interface, while no-clip ALC feature prevents distortion as battery voltages drop. Read More