MAX9867EWV

The MAX9867EWV is an ultra-low power, high-performance audio codec designed for portable applications. It features a stereo audio DAC (Digital-to-Analog Converter) and ADC (Analog-to-Digital Converter) with integrated features such as a headphone driver, microphone bias, and digital audio interfaces. Operating from a single 1.8V power supply, it is optimized for minimal power consumption, making it ideal for battery-powered devices.
The device supports a wide range of digital audio formats and provides various filtering and gain control options to enhance audio quality. Its integrated Class G headphone amplifier adjusts the supply voltage based on output power requirements, improving efficiency. The integrated PLL (Phase-Locked Loop) allows for flexibility in clock generation, supporting multiple MCLK frequencies.
The MAX9867EWV is housed in a compact, space-saving package, making it suitable for space-constrained applications like smartphones, tablets, and portable audio players. Its I²S (Inter-IC Sound) and TDM (Time Division Multiplexing) interfaces facilitate seamless integration into digital audio systems. Overall, the MAX9867EWV delivers high-fidelity audio performance while maintaining low power consumption, ideal for modern portable audio solutions.

The MAX9867EWV is a low-power stereo audio codec designed for portable applications. Key features include:
1. Low Power Consumption: Optimized for battery-powered devices.
2. Integrated Microphone Bias: Provides a bias voltage for electret microphones.
3. Multiple Input/Output Options: Supports single-ended and differential inputs, as well as stereo headphone outputs.
4. Digital Audio Interfaces: Compatible with I²S and other common audio data formats.
5. Integrated Headphone Amplifier: Capable of driving headphones directly.
6. Programmable Gain: Offers adjustable gain settings for both input and output.
7. ADC/DAC: 16-bit analog-to-digital and digital-to-analog converters for high-quality audio processing.
8. Signal Processing: Includes features like digital volume control and a programmable audio equalizer.
9. Small Package: Available in a compact package suitable for space-constrained designs.
10. Wide Supply Voltage Range: Operates efficiently over a broad range of power supply voltages.
These features make the MAX9867EWV ideal for use in smartphones, tablets, and other portable audio devices.

The MAX9867EWV features a WLP (Wafer-Level Package) type, specifically a 2.0mm x 1.6mm, 0.4mm pitch, 16-bump WLP. This compact package is ideal for small, portable audio devices.

The MAX9867EWV is a low-power stereo audio codec with integrated amplifiers designed for portable audio applications. It is housed in a 28-pin TQFN package. The pin count is 28.
Key functions of the MAX9867EWV include:
1. Audio Codec: It integrates stereo audio ADCs and DACs for audio signal conversion.
2. Amplifiers: Includes headphone and microphone amplifiers.
3. I2S/PCM Interface: Supports digital audio data transfer.
4. I2C Interface: Allows configuration and control of the device.
5. Microphone Bias: Provides biasing for electret microphones.
6. Volume Control: Supports digital volume adjustments.
7. Low Power: Designed for minimal power consumption, suitable for battery-powered devices.
This makes it suitable for mobile phones, tablets, and other portable audio devices.

The MAX9867EWV is manufactured by Maxim Integrated, which is a company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Maxim Integrated provides solutions for a variety of applications, including automotive, industrial, healthcare, and consumer electronics. In 2021, Maxim Integrated became part of Analog Devices, Inc., another major player in the semiconductor industry, known for its focus on analog, mixed-signal, and digital signal processing technologies.

The MAX9867EWV is typically used in portable audio applications, such as smartphones, tablets, and personal media players. It serves as an analog-to-digital and digital-to-analog converter for audio signals, providing clear audio input and output. Its compact design makes it suitable for space-constrained devices, and it is often employed in devices requiring high-quality audio processing with low power consumption.

The MAX9867EWV is a low-power stereo audio codec with an integrated microphone input. Equivalent products include the Texas Instruments TLV320AIC3104, Analog Devices ADAU7002, and the Cirrus Logic CS42L42. These alternatives offer similar functionality in terms of audio processing, power efficiency, and features, but differences in package, pin configuration, and specific performance metrics may exist. Always compare the datasheets for compatibility with your specific application.