Product category:
Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: PurePath Digital
Edited by the Electronicstalk Editorial
Team on 03 February 2005
Digital amps help put audio over power
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Mitsubishi Materials Corp has used TI's PurePath Digital technology in its latest powerline communication module, targeting wireless audio solutions for home theatre and audio distribution.
Mitsubishi Materials Corp (MMC) has selected TI's PurePath Digital technology in its latest powerline communication (PLC) module, targeting wireless audio solutions for home theatre applications and audio distribution networks Leveraging TI's digital amplifier technology, MMC recently developed its PLC units to seamlessly provide consumers with high quality full digital streaming audio
This article was originally published on Electronicstalk on 18 Dec 2003 at 8.00am (UK)
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As part of its efforts to create the most effective wireless audio solutions for the home theatre market, MMC is using TI's TAS5001 PWM processor and TAS5122 power stage controller in its reference design to prevent any degradation of the linear pulse code modulation (PCM) transmission.
The reference design represents an exceptionally good solution for multichannel home theatre systems, as it leverages the distinct advantages of TI's PurePath Digital technology, such as compact design and superior sound quality.
"TI's PurePath Digital technology provides us with the architecture for maximising the full digital and linear PCM transmissions for our PLC products", said Takafumi Okamoto, Assistant Manager, Wireless Device Team, Electronic Components Division, Advanced Products Strategic Company of MMC.
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"With TI's help, we can achieve excellent sound quality, as its digital amplifier technology enables us to pack into a slim package the kind of features that are needed to deliver true-to-life audio resolution".
TI's TAS5001 is a 24bit, two channel digital amplifier PWM processor, which uses noise shaping and error correction filtering algorithms to achieve superior dynamic range.
The TAS5122, a two-channel power stage controller, uses various protection circuitry without a heatsink to enable 30W two-channel output.
The TAS5001 and TAS5122 are both part of TI's PurePath Digital technology family of products, which allows consumer electronics manufacturers to build completely digital, end-to-end audio products with cutting-edge sound reproduction and the most lifelike sound in a compact form factor.
By reproducing movie soundtracks or music exactly the way the artist intended, PurePath Digital technology offers the best in high-end digital entertainment to the everyday consumer.
PurePath Digital technology complements other TI digital and analogue products that support audio applications, such as digital signal processors (DSPs), switch mode power management, analogue-input Class-D audio power amplifiers and audio convertors.
MMC's MLD series high-speed powerline communications audio module is specially designed for transmitting audio signals that the company developed using MMC powerline communication technology.
As the MLD modules easily interface with customer equipment, they allow customers to undertake quick development of PLC audio equipment.
In addition to transmission of linear PCM audio, compressed audio and streaming with MLD modules, the sending of UART control signals is also possible.
In particular, the company has realised development of the MLD051TM/MLD051RM module, which at 40 x 25mm is the world's smallest class of PLC modules.
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