Maxim Integrated MAX9813HEKA+T Microphone Amplifier

The MAX9813HEKA+T from Maxim Integrated is a high-quality microphone amplifier designed to provide a compact, efficient, and versatile solution for audio applications requiring clear sound capture. This integrated circuit is ideal for portable devices due to its small form factor and low power consumption.

Key Features:

• Automatic Gain Control (AGC): The MAX9813HEKA+T features AGC capabilities, which allow it to automatically adjust the gain to maintain a constant output level despite varying input levels. This ensures consistent audio quality and prevents signal clipping.
• Low Noise: With a low input-referred noise density of only 30nV/√Hz, this amplifier ensures that audio recordings are crisp and clear, minimizing background noise and enhancing the overall sound quality.
• High PSRR (Power Supply Rejection Ratio): The device boasts a high PSRR, which means it can suppress power supply noise, ensuring that the audio output is free from interference caused by fluctuations in the power supply.
• Compact Package: The MAX9813HEKA+T comes in a small, lead-free, 8-pin µMAX package, making it suitable for space-constrained applications such as mobile phones, tablets, and other portable audio devices.
• Adjustable Gain: The amplifier provides two selectable gain settings of 40dB or 50dB, allowing for flexibility in different use cases and accommodating various microphone sensitivities.
• Low Power Consumption: It operates with a supply voltage range from 2.7V to 3.6V and has a quiescent current of only 3mA, making it energy-efficient and ideal for battery-powered devices.

Applications:

The MAX9813HEKA+T is perfect for a range of applications where audio quality is paramount. It's widely used in:

• Smartphones and Tablets
• Bluetooth Headsets
• Portable Media Players
• VoIP Systems
• Conference Speakerphones
• Digital Cameras

With its high-quality audio performance and easy integration, the MAX9813HEKA+T is an excellent choice for designers looking to enhance the audio recording capabilities of their products. Maxim Integrated's commitment to reliability and performance ensures that this microphone amplifier stands out in the market.