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  4. BTL method 5W~30W class D mono bridge audio amplifier MP7731 (Monolithic Power Systems, Inc.)
BTL method 5W~30W class D mono bridge audio amplifier MP7731-MP7731
BTL method 5W~30W class D mono bridge audio amplifier MP7731-Monolithic Power Systems, Inc.

BTL method 5W~30W class D mono bridge audio amplifier MP7731
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP7731 is a monaural, 5W to 30W class D audio amplifier. This is one of MPS' second generation fully integrated audio amplifiers, which significantly reduces the size of the solution by integrating: • Pop-noise rejection during startup/shutdown • Short-circuit protection • 180mΩ power MOSFET • Mute/standby mode. The MP7731 utilizes a full-bridge output structure capable of delivering 5W to 30W into 4Ω speakers. Like all other MPS Class D audio amplifiers, this device exhibits the high fidelity of a Class AB amplifier with 90% efficiency. The circuit is based on analog adaptive modulation (AAMTM, Patent No. 6,420,930 and other patents pending) with MPS's proprietary variable frequency topology, which provides excellent PSRR, fast response time, and operates from a single supply.

■Features and benefits

・30W into 4Ω at VDD = 16.5V ・90% efficiency at 5W ・Amplify the entire audio range with low THD+N ・Standard = 0.1% ・9.5V to 18V supply voltage operation ・Full bridge output drive ・Integrates four 180mΩ switches ・Turn on/off click and pop noise suppression ・Integrated short circuit protection function ・Integrated thermal shutdown ・Mute/standby mode

■Available product numbers

・MP7731DF-LF-P MP7731DF-LF-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    BTL method 5W~30W class D mono bridge audio amplifier MP7731

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1 Models of BTL method 5W~30W class D mono bridge audio amplifier MP7731

Image Part Number Price (excluding tax) Efficiency (%) Isw Limit (A) PSRR (dB) THD+N (%) @1W Total Pout (max) (W) Type Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
BTL method 5W~30W class D mono bridge audio amplifier MP7731-Part Number-MP7731

MP7731

Available upon quote

90

5

-60

0.1

30

Mono BTL

Catalog

TSSOP-20E

18

9.5

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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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