The Future of Analog IC Technology
2.7W Mono Class D
Low-EMI High-Efficiency Audio Amplifier
The MP1720 is a high efficiency Class-D audio
amplifier. It utilizes a fu ll bridge outp ut structure
capable of delivering 2.7W into 4 Ω speaker.
This device exhibits the high fidelity of a class
AB amplifier with an efficiency of 90% which
dramatically reduces solution size by integrating
250m Ω power MOSFETs (VIN =3.3V)
Startup / Shutdown pop elimination
Short circuit /Thermal overload Protection
The MP1720 features a pin-selectable 1MHz or
1.3MHz frequency control or
synchronized to an ext ernal clock source. The
flexible switching frequ ency and internal EMI -
reduction scheme eliminates the need for a n
output LC filter and passes emissio n standards
without filter & with considerable cable.
The MP17 20 has five fixed ga in options.
MP1720-3: 3dB; MP17 20-6: 6dB; MP1720-9:
9dB; MP1720-12: 12dB; MP1720-216: 21.6dB.
The MP172 0 is available in 10-pin MSOP-EP
and 10-pin QFN packages.
Passes FCC-Radiated Emissions Standards
with 24inch of Cable without output filter
2.7W Into 4Ω with 5V VIN @ 10% THD+N
Up to 90% Efficiency
Flexible Switching Frequency setting
Low Noise (53μV Typical) with 3.3V VIN
15ms Start-up time Eliminates pop
Low Quiescent Current (4mA @3.3V)
Low Shutdown Current (0.1μA)
Full Bridge Output Drive
Fully Differential Input
Short circuit Protection
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
FCC EMI LIMIT
MP1720 Rev. 1.01
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
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