Electronicdesign Com Products Analog And Mixed Signal Headphone Amp Series Grows By Two29185
Electronicdesign Com Products Analog And Mixed Signal Headphone Amp Series Grows By Two29185
Electronicdesign Com Products Analog And Mixed Signal Headphone Amp Series Grows By Two29185
Electronicdesign Com Products Analog And Mixed Signal Headphone Amp Series Grows By Two29185
Electronicdesign Com Products Analog And Mixed Signal Headphone Amp Series Grows By Two29185

Headphone Amp Series Grows By Two

Feb. 9, 2004
Expanding the DirectDrive headphone amplifier series are the MAX9722A and MAX9722B devices with a number unique features. Both employ what is said to be a revolutionary architecture that produces a ground-referenced output from a single supply to

Expanding the DirectDrive headphone amplifier series are the MAX9722A and MAX9722B devices with a number unique features. Both employ what is said to be a revolutionary architecture that produces a ground-referenced output from a single supply to eliminate the two dc-blocking capacitors between amplifier and headphone. The devices do not require a dc bias voltage applied to the headphone-jack ground pin, and the differential input structure allows the amplifiers to reject common-mode noise. They can also be configured to sense the headphone return potential, eliminating noise caused by ground loops. Gain for MAX9722B is set internally to -6dB while gain for MAX9722A is set with two external resistors. Other common features include operation from a 2.4V to 5.5V supply, an output power of 60 mW per channel into a 16 ohms load or 130 mW per channel into a 32 ohms load, a 0.02% THD + N, a 90 dB PSRR, and a low-power shutdown mode that reduces consumption to below 100 µA. Prices start at $0.65 each/100,000. MAXIM INTEGRATED PRODUCTS, Sunnyvale, CA. (800) 998-8800.

Company: MAXIM INTEGRATED PRODUCTS

Product URL: Click here for more information

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