MAX98307ETE+T

The MAX98307ETE+T is a 3.3W mono class DG multilevel audio amplifier in 16 pin TQFN package. It delivers the industry's highest output power, highest efficiency and smallest speaker amplifier solution from single Li+ battery. This fully differential mono class DG multilevel power amplifier with integrated inverting charge pumps offer highly efficient, high power audio solution. Class DG multilevel modulation extends the dynamic range of output signal by employing charge pump generated negative rail as needed to extend the supply range. This scheme results in high efficiency over a wide output power range. The IC combines Maxim’s active emissions limiting edge rate and overshoot control circuitry with multilevel output modulation to greatly reduce EMI. These features eliminate the need for output filtering as compared to traditional class D devices by reducing component count and cost. The MAX98307 has an adjustable gain set by external resistors.

• Supply voltage range from 2.6V to 5.25V
• Operating temperature range from -40°C to 85°C
• Improves battery life, low quiescent current of 1.85mA and shutdown current of 0.225μA
• Output power of 1.54W (1% THD+N, VPVDD=3.6V, 8ohm + 68μH load) & 2.85W (VPVDD=5V, 8ohm + 68μH load)
• Output power of 1.77W (10% THD+N, VPVDD=3.6V, 8ohm + 68μH load) & 3.3W (VPVDD=5V, 8ohm + 68μH load)
• 84% efficiency at VPVDD = 3.6V, 500mW output
• Power supply rejection ratio of 78dB at VPVDD = 2.6V to 5.25V
• Integrated charge pump and high efficiency results in small solution size
• Excellent RF immunity, click and pop suppression
• Low current shutdown mode, thermal and overcurrent protection

Applications

Audio, Signal Processing, Portable Devices, Consumer Electronics

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party