Audio Hub with FlexSound Processor

The MAX98095 is a full-featured audio hub with Maxim's FlexSound® digital signal processor. This highly integrated device provides three I²S/PCM interfaces and powerful, high-performance amplifiers. The FlexSound DSP offers best-in-class noise suppression, echo cancellation, speaker protection, and ambient-aware algorithms to handle all the audio processing needs of portable devices. So you get the highest integration and audio quality possible.

Three differential analog microphone inputs and four 1-bit digital microphone inputs accept audio from main, accessory, and background microphones. Analog line inputs accept four single-ended or two differential audio signals. Three digital audio interfaces support I²S/PCM/TDM audio formats. Three integrated sample rate converters and highly configurable signal routing enable a wide range of use cases.

Integrated amplifiers can output signals from three DACs or any of the analog inputs. Amplifiers include a differential receiver amplifier, a stereo Class D speaker amplifier, a stereo Class H headphone amplifier and four single-ended line outputs.

The IC is fully specified over the -40°C to +85°C extended temperature.

* 102dB DR Stereo DAC (8kHz < fS < 96kHz)

* 90dB DR Stereo ADC (8kHz < fS < 96kHz)

* 4.2mW Headphone Playback Power Consumption

* Stereo, Low-EMI Class D Amplifiers

* 3.2W/Channel (4Ω, PVDD = 5.0V)

* 1.2W/Channel (8Ω, PVDD = 4.2V)

* Stereo DirectDrive® Headphone Amplifiers

* 33mW/Channel (32Ω)

* Differential Receiver Amplifier

* 2 Stereo Single-Ended/Mono Differential Line Inputs

* 3 Differential Microphone Inputs

* FlexSound Audio Processing

* Enhanced Speakerphone

* Single/Dual Microphone Noise Suppression

* Ambient Aware Receiver Output

* Acoustic Echo Cancellation

* Three I²S/PCM/TDM Digital Audio Interfaces

* Asynchronous Digital Mixing and Sample Rate Conversion

* Extensive Click-and-Pop Reduction Circuitry

* I²C/SPI Control Interface

* 108-Bump WLP package (6.4mm x 4.7mm, 0.5mm pitch)