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FULL DATA SHEET (PDF, 140kB) Download   E-Mail The MAX9728A evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that evaluates the MAX9728A DirectDrive™ stereo headphone amplifier. Maxim's patented† DirectDrive technology eliminates the need for DC-blocking capacitors on the stereo outputs of the amplifier. Designed to operate from a 2.7V to 5.5V DC power supply, the EV kit is capable of delivering up to 42mW per channel into a 16 load or 63mW per channel into a 32 load at 1% THD+N (VDD = 5V). The EV kit can be configured as a line driver to deliver 2VRMS into a 10k load from a single 3.3V DC supply. The MAX9728A EV kit also evaluates the MAX9728B IC.

Key Features		Applications/Uses
No Bulky DC-Blocking Capacitors Required 2.7V to 5.5V DC Single-Supply Operation 63mW Per Channel into 32 (VDD = 5V) Low 0.02% THD+N at 1kHz High 86dB PSRR Eliminates LDO 2VRMS Audio Line Driver from a Single 3.3V Supply Fully Assembled and Tested Surface-Mount Board		CRT TVs DVD Players LCD/PDP Displays Multimedia Monitors Notebook PCs

†U.S. Patent# 7,061,327

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