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FULL DATA SHEET (PDF, 336kB) Download   E-Mail The MAX9722A evaluation kit (EV kit) is a fully assembled and tested circuit board that uses the MAX9722A to drive a stereo headphone in portable audio applications. The MAX9722A is a differential stereo headphone driver with DirectDrive™. MAXIM's patented DirectDrive technology eliminates the need for DC-blocking capacitors on the output of the amplifier. Designed to operate from a 2.4V to 5.5V DC power supply, the EV kit is capable of delivering up to 70mW per channel into a 16Ω load or 130mW per channel into a 32Ω load and 0.009% THD+N at 1kHz. The EV kit can also be used as a line driver that provides 2VRMS into a 1kΩ load from a single 5V supply. The MAX9722A EV kit also evaluates the MAX9722B.

Key Features		Applications/Uses
2.4V to 5.5V Single-Supply Operation Drives Two Channels at 70mW per Channel into a 16Ω load, 130mW per Channel into a 32Ω load <2µA Shutdown Current Evaluates the MAX9722A or MAX9722B (IC and Component Replacement Required) Small 16-Pin TQFN (3mm x 3mm) Package Available in 16-Pin TSSOP Package Fully Assembled and Tested		Cell Phones Flat-Panel Monitors MP3 Players Notebook and Desktop PCs PDAs Portable Audio Equipment Smartphones

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