MAX9724B - Maxim Integrated Products

MAX9724B (MAX9724A/B) Stereo Headphone Amplifier

The MAX9724A/MAX9724B stereo headphone amplifiers are designed for portable equipment where board space is at a premium. These devices use a unique, patented † DirectDrive™ architecture to produce a ground-referenced output from a single supply, eliminating the need for large DC-blocking capacitors, saving cost, board space, and component height. The MAX9724.

Features

♦ Improved RF Noise Rejection (Up to 67dB Over Typical Amplifiers) ♦ No Bulky DC-Blocking Capacitors Required ♦ Low-Power Shutdown Mode, < 0.1µA ♦ Adjustable Gain (MAX9724A) or Fixed -1.5V/V Gain (MAX9724B) ♦ Low 0.02% THD+N ♦ High PSRR (80dB at 1kHz) Eliminates LDO ♦ Integrated Click-and-Pop Suppression ♦ 2.7V to 5.5V Single-Supply Operation ♦ Low Quiescent Current (3.5mA) ♦ Available in Space-Saving Packages: 12-Bump UCSP (1.5mm x 2mm) 12-Pin Thin QFN (3mm x 3mm x 0.8mm) MAX9724A/MAX9724B Ordering Information PART MAX9724AEBC+T MAX9724AETC+ MAX9724BEBC+T MAX9724BETC+ GAIN PIN(V/V) PACKAGE .