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  4. BTL method 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751 (Monolithic Power Systems, Inc.)
BTL method 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751-MP7751
BTL method 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751-Monolithic Power Systems, Inc.

BTL method 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP7751 is an analog input, class D audio amplifier capable of driving stereo speakers in a bridge-connected load configuration. This is a complete set of MPS's fully integrated audio amplifiers, which significantly reduces the size of the solution by integrating: 240mΩ power MOSFET, pop noise rejection during startup/shutdown, short circuit protection, advanced EMI performance. The MP7751 utilizes a BTL construction capable of delivering 20W per channel into 8Ω speakers from an 18V power supply. MPS' Class D audio amplifiers exhibit the high efficiency and high fidelity of Class AB amplifiers. The MP7751 includes internal circuitry that can automatically shut down the system if no audio signal is detected. This feature is ideal for energy-saving products and battery-powered applications. It also has an adjustable power limit function. The PLIMIT circuit sets a limit on the output peak-to-peak voltage. This is achieved by limiting the duty cycle to a fixed maximum value. You can think of this limit as a virtual voltage rail lower than the power supply connected to PVCC. The MP7751 is offered in a TSSOP-28EP package.

■Features and benefits

・Operation from 5V to 26V with a single power supply ・±5A peak current output ・92% efficiency with 8Ω load, 10%THD, 1kHz, 12V supply voltage ・240mΩ power MOSFET ・Pop removal at startup/shutdown ・Short circuit protection circuit ・Advanced EMI performance ・Current limit for all switches ・Internal low voltage protection ・Internal thermal protection ・Adjustable power limiter ・Automatic shutdown by zero input signal detection ・Failure output flag ・Provided in TSSOP-28EP package

■Output power

・9.5W/channel at 12V, 8Ω load, THD10% ・15W/channel at 16V, 8Ω load, THD10% ・20W/channel at 18V, 8Ω load, THD10%

■Available product numbers

・MP7751GF-P MP7751GF-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    BTL method 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751

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1 Models of BTL method 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751

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 5V~26DD, 2 x 20W, fixed frequency stereo BTL class D audio amplifier MP7751-Part Number-MP7751

MP7751

Available upon quote

92

5

-60

0.06

40

Stereo BTL

Catalog

TSSOP-28EP

26

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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Audio Amplifiers　Monolithic Power Systems, Inc.
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