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  4. BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720 (Monolithic Power Systems, Inc.)
BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720-MP1720
BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720-Monolithic Power Systems, Inc.

BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720
Monolithic Power Systems, Inc.

About This Product

■Summary

MP1720 is a high efficiency class D audio amplifier. Adopts a full bridge output structure that can supply 2.7W to 4Ω speakers. The device exhibits the high fidelity of a class AB amplifier with 90% efficiency and significantly reduces solution size by integrating: 250mΩ power MOSFET (VIN= 3.3V), pop noise rejection during startup/shutdown, short circuit/thermal overload protection. The MP1720 features pin-selectable 1MHz or 1.3MHz frequency control and can also be synchronized to an external clock source. Flexible switching frequencies and internal EMI reduction schemes eliminate the need for output LC filters, passing emissions standards without filters or large amounts of cables. The MP1720 has five fixed gain options. MP1720-3: 3dB; MP1720-6: 6dB; MP1720-9: 9dB; MP1720-12: 12dB; MP1720-216: 21.6dB. The MP1720 is available in 10-pin MSOP-MSOP and QFN packages.

■Features and benefits

- Passes FCC radiated emissions standards with 24-inch cable without output filter ・2.7W into 4Ω at 5V VIN @ 10% THD + N ・Up to 90% efficiency ・Flexible switching frequency setting ・Low noise at 3.3V VIN (53μV standard) ・Startup time 15ms Eliminates pop noise ・Low quiescent current (4mA@3.3V) ・Low shutdown current (0.1μA) ・Full bridge output drive ・Fully differential input ・Short circuit protection ・Thermal shutdown

  • Product

    BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720

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1 Models of BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720

Image Part Number Price (excluding tax) Efficiency (%) PSRR (dB) THD+N (%) @1W Total Pout (max) (W) Type Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
BTL method 2.7W monaural class D low EMI high efficiency audio amplifier MP1720-Part Number-MP1720

MP1720

Available upon quote

90

-60

0.13

2.7

Mono BTL

Catalog

MSOP-10, QFN-10 (3x3)

5.5

2.5

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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