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Partname: | MAX9875ERP+TG45 |
Description: | Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier |
Manufacturer: | Maxim Integrated Products |
Datasheet: | PDF (544K). Click here to download *) |
The MAX9875 combines a high-efficiency Class D audio power amplifier with a stereo Class AB capacitorless DirectDrive headphone amplifier. Maxim's 3rd generation, filterless Class D amplifier with active emissions limiting technology provides Class AB performance with Class D efficiency. The MAX9875 delivers up to 725mW from a 3.7V supply into an 8 load with 87% efficiency to extend battery life. The filterless modulation scheme combined with active emissions limiting circuitry and spread-spectrum modulation greatly reduces EMI while eliminating the need for output filtering used in traditional Class D devices. The stereo Class AB headphone amplifier in the MAX9875 uses Maxim's patented DirectDrive architecture, that produces a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving cost, space, and component height. |
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