Cirrus Logic Smart Boosted Amplifier Brings Immersive Mobile Audio Experience to New Generations of Smartphones, Tablets & Ga...
March 24 2021 - 10:04AM
Business Wire
Cirrus Logic’s CS35L45 Boosted Amp Gives
Consumers a New Level of Audio Enjoyment when using Speaker Mode
for Music, Podcasts, Video Conference Calls, Movies and Gaming
As consumers increasingly turn to their phone’s internal
speakers to enjoy music, podcasts, movies and gaming, Cirrus Logic
(Nasdaq: CRUS) has introduced its newest flagship CS35L45 boosted
amplifier for a richer, more immersive audio experience from
smartphones, tablets and mobile gaming devices. Cirrus Logic’s
CS35L45 smart power amp delivers higher excursion for high-peak
loudness, improved dynamic range for more punch and bass precision,
less noise and audible artifacts, and more tonal balance at all
volume levels – enabling mobile device manufacturers to push audio
performance to new industry benchmarks.
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Cirrus Logic’s CS35L45 boosted amp offers
a new level of smartphone audio performance for consumers, who are
increasingly using their smartphone speakers for work and personal
video calls and even medical appointments. (Photo: Business
Wire)
The Cirrus Logic CS35L45 is a 15 V smart boosted Class D audio
amplifier with DSP that can be easily integrated into a stereo or
multi-speaker playback solution for next-generation high-end mobile
devices, as well as improve performance in mid-tier devices without
spending on upgrading the device’s speakers. Among its features are
speaker protection and adaptive battery management that drive
higher output power in all battery conditions, resulting in up to
30 percent higher peak loudness compared to Cirrus Logic’s previous
generation boosted amplifier.
“To help fulfill consumer demand for a richer, more immersive
audio experience, smartphone OEMs are increasingly incorporating
additional and more powerful speakers into next-generation
devices,” said Carl Alberty, vice president of Mixed-Signal
Products, Cirrus Logic. “Cirrus Logic’s CS35L45 flagship boosted
amplifier elevates audio quality coming from micro speakers in
these mobile devices, providing greater loudness, dynamic range and
higher bass and tonal balance, while protecting the speaker and
preserving battery life.”
According to a recent user survey conducted by SAR Insight &
Consulting for Cirrus Logic, 40 percent of consumers have increased
their use of speaker mode over the past 12 months. The global
survey shows that as more people work from home during the
pandemic, they are increasingly using smartphone speakers to watch
and share video via social media, participate in video calls and
listen to podcasts or music while multitasking, or simply to create
a better atmosphere. These are all factors driving consumers’
desire for better audio quality from their smartphones.
Higher Loudness, Improved Dynamic Range, Longer Battery
Life
The CS35L45 smart power amp features 7 W output power capability
and 15 V overboost to enable higher peak power at all frequencies,
resulting in more tonal balance at all volume levels, better
dynamics and more spatial range and timbre. Since it has the
ability to draw high levels of current from the battery, the
CS35L45 is “system aware” with built-in battery current and voltage
monitoring that delivers high output power but only when required
to reproduce the source audio content. The CS35L45 amp’s
proprietary adaptive battery management technology helps to “look
ahead” to sudden audio signal spikes in order to protect the
battery, prevent pumping and clipping and maximize the audio
performance at all volume levels, with no audible artifacts.
The Y-bridge output driver on CS35L45 allows for higher
efficiency in receiver and speaker modes for longer battery life.
Next-generation, more accurate speaker protection algorithms push
speakers to their maximum limits while keeping them within safe
limits. On-chip DSP firmware features include equalization and
psychoacoustic enhancements that maximize performance from small
speakers. The result is top acoustic performance for stereo
smartphones that approaches the loudness and sound quality of
portable speakers – without sacrificing battery power.
Availability
The Cirrus Logic CS35L45 smart power amplifier is currently
shipping in production volumes in a commercial-grade 0.4 mm pitch,
36-ball wafer-level chip scale package for operation from -40 C to
+85 C. More information on the Cirrus Logic CS35L45 15 V boosted
audio amplifier is available at
https://www.cirrus.com/products/cs35l45.
Cirrus Logic, Inc.
Cirrus Logic is a leader in low-power, high-precision
mixed-signal processing solutions that create innovative user
experiences for the world’s top mobile and consumer applications.
With headquarters in Austin, Texas, Cirrus Logic is recognized
globally for its award-winning corporate culture. Check us out at
www.cirrus.com.
Cirrus Logic, Cirrus, the Cirrus Logic logo design are
registered trademarks or trademarks of Cirrus Logic, Inc. © 2021
Cirrus Logic, Inc. All rights reserved.
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version on businesswire.com: https://www.businesswire.com/news/home/20210324005008/en/
Bill Schnell Public Relations Cirrus Logic, Inc. (512) 851-4084
bill.schnell@cirrus.com
Angie Hatfield Strategic Communications, Inc. (425) 941-2895
ahatfield@strategiccom.biz
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