amplifier

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According to Databeans, the Class D amplifier market is expected to reach $347 million (USD) this year and is projected to grow 11 percent (CAGR) over the next five years, well over the industry average for the audio market.
s (Nasdaq:CRUS) new CS4525 is an innovative, highly integrated single-chip Class D Amplifier for the rapidly expanding global flat-panel digital television market.
Freescale's Class D amplifier with its advanced digital feedback is a real breakthrough and allows OEMs to achieve the highest quality performance, in a smaller form factor and still benefit from the power savings of a Class D amplifier design.
Other Class D amplifiers can improve efficiency, but at higher cost, greater complexity and lower audio quality," explained Larry Kirn, JAM CTO.
Wolfson believes that low cost high efficiency Class D amplifiers are about to have a major impact on the design of domestic, portable and in-car audio and ease of design and support will be key to ensuring short times to market for new products using this exciting technology.
Tuner compatibility within the new Philips DVD receivers is achieved with the Class D amplifier from Philips' semiconductor division," said Peter Straker, function manager for power amplifiers in BCU Audio at Philips Consumer Electronics.
Much has been written about the efficiency of Class D amplifiers, with figures of 90 percent or greater being routinely quoted.
Findings verified that JamTech's technology exceeds measurements typically achieved by traditional analog pulse width modulation (PWM) Class D amplifiers and delta-sigma PWM digital amplifiers for both absolute dynamic range and spectral noise floor, two important measures of fidelity in digital audio systems.
The JM2020, features a monolithic design integrating both the modulator and power stage into a single chip, and delivers best in class audio fidelity at a price comparable to traditional Class D amplifiers and newer delta-sigma PWM digital amplifiers.
Performance results verify that JamTech's technology exceeds measurements typically achieved by traditional analog pulse width modulation (PWM) Class D amplifiers and delta-sigma PWM digital amplifiers for both range of linearity and spectral noise floor, two important measures of fidelity in digital audio systems.