Description

The MAX9879ERV+T is an electronic component model in the product category of audio amplifiers. It is a combination of a high-efficiency stereo Class D audio power amplifier and a stereo capacitor-less DirectDrive® headphone amplifier. The Class D power amplifier provides up to 715mW of power with 88% efficiency, extending battery life. The filterless modulation scheme and active emission limiting circuitry reduce EMI and eliminate the need for output filtering found in traditional Class D devices.

Specifications and features

- Better than 9dB Margin Under EN 55022 Class B Limits with No Filter Components

- Low RF Susceptibility Design Rejects TDMA Noise from GSM Radios

- Input Mixer with User Defined Input Mode

- Stereo 715mW Speaker Output (RL = 8Ω, VDD = 3.7V)

- Stereo 58mW Headphone Output (16Ω, VDD = 3.7V)

- Low 0.04% THD+N at 1kHz (Class D Power Amplifier)

- Low 0.018% THD+N at 1kHz (Headphone Amplifier)

- 88% Efficiency (RL = 8Ω, POUT = 750mW)

- 1.6Ω Analog Switch for Speaker Amplifier Bypass

- High Speaker Amplifier PSRR (72dB at 217Hz)

- High Headphone Amplifier PSRR (84dB at 217Hz)

- I2C Control

- Hardware and Software Shutdown Mode

- Ultra-Low Click and Pop

- Robust Design with Current and Thermal Protection

- Available in Space-Saving Package 5x6 UCSP (2.5mm x 3mm)

Application Scenarios

- Cell Phones

- Portable Multimedia Players