RENESAS TECHNOLOGY RELEASES M61538FP HIGH-QUALITY-SOUND 6-CHANNEL ELECTRONIC VOLUME IC ACHIEVING THE INDUSTRY'S LOWEST OUTPUT NOISE VOLTAGE OF 0.85 μVrms
- For home theater AV amplifiers, DVD receivers, and similar applications, offering high-quality-sound and small size plus single power supply support -
Renesas Technology Corp. today announced the M61538FP, offering the industry's lowest output noise voltage figure of 0.85 μVrms for a 6-channel multichannel electronic volume IC plus top
-class low distortion, for use in audio products such as home theater AV amplifiers, DVD receivers, and mini audio systems. Also being released are the M61539FP incorporating tone control, and the M61540FP incorporating tone control and an input selector. Sample shipments of all three products will begin in June 2004 in Japan.
Electronic volume ICs are chips that perform digital control of volume. Features of these new electronic volume ICs are summarized below.
(1) Low noise and distortion for high-quality-sound
Noise voltage is a major factor in determining sound quality. These new ICs employ a new circuit layout configuration that reduces transistor-level thermal noise, the cause of noise voltage, and achieve high-quality-sound thanks to a low output noise voltage and low distortion. The M61538FP, in particular, achieves the industry's lowest output noise voltage figure of 0.85 μVrms for a 6-channel electronic volume IC, together with a top-class total harmonic distortion factor of 0.0012%.
(2)Support for both ± power supplies and single power supply
For operating voltage provision, these three new models now offer first-time support of a single-power-supply as well as ± dual power supplies. This allows optimal power supply system design for different systems, with ± power supplies used for an AV amplifier handling large-amplitude signals and a single power supply used for products such as mini audio systems that do not handle large-amplitude signals, for example