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  4. 2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745 (Monolithic Power Systems, Inc.)
2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745-MP7745
2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745-Monolithic Power Systems, Inc.

2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745
Monolithic Power Systems, Inc.

Monolithic Power Systems, Inc.'s Response Status

Response Rate

100.0%

Response Time

15.6hours

Relatively Fast Response

About This Product

■Summary

The MP7745 is a stereo 2 x 20W class D audio amplifier. This is one of MPS' fully integrated audio amplifier products, which significantly reduces solution size by integrating: 250mΩ power MOSFET, pop noise rejection during startup/shutdown, and short-circuit protection circuitry. The MP7745 utilizes a single-ended output structure capable of delivering 20W per channel into 4Ω speakers. MPS' Class D audio amplifiers exhibit the high efficiency and high fidelity of Class A/B amplifiers. The circuit is based on MPS's proprietary variable frequency topology, which provides excellent linearity, fast response time, and operates from a single supply.

■Features and benefits

・2 x 20W output at VDD = 24V into 4Ω load ・THD + N = 0.05% (1W, 8Ω) ・93% efficiency at 20W, 4Ω & VDD = 24V ・Low noise (103μV standard) ・Switching frequency up to 1MHz ・9.5V to 26V operation with single power supply ・Integrated pop noise removal circuit during startup and shutdown ・Thermal and short circuit protection ・Power FET integration ・Pin compatible with MP7722 and MP7742 ・Provided in TSSOP20 package with exposed pad

■Available product numbers

・MP7745DF-LF-P MP7745DF-LF-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745

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1 Models of 2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745

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)
2 x 20W Class D Stereo Single-Ended Audio Amplifier MP7745-Part Number-MP7745

MP7745

Available upon quote

93

4.5

-59

0.05

40

Mono BTL

Catalog

TSSOP-20E

26

9.5

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About Company Handling This Product

Monolithic Power Systems, Inc.

Response Rate

100.0%

Response Time

15.6hrs

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
Audio Amplifiers　Monolithic Power Systems, Inc.
Monolithic Power Systems, Inc.

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