Product Overview: MAX9813LEKA+T Microphone Amplifier

Maxim Integrated's MAX9813LEKA+T is a high-quality, low-cost, low-noise microphone amplifier with a complete differential input and output architecture, designed to provide a compact and efficient audio amplification solution for a variety of applications. This device is perfect for portable devices where excellent audio performance and minimal power consumption are crucial.

Key Features

• Automatic Gain Control (AGC): The MAX9813LEKA+T features an AGC circuit that automatically adjusts the gain to maintain a set output level, ensuring consistent audio output in varying noise environments.
• Low Noise Performance: With its optimized design, the amplifier boasts a low input-referred noise density of 30nV/√Hz, making it ideal for high-quality audio applications.
• High PSRR: The power supply rejection ratio (PSRR) of 112dB at 217Hz allows for stable performance even with fluctuating power supply conditions, which is critical for battery-powered devices.
• Wide Supply Voltage Range: Operating from a 2.7V to 3.6V supply voltage, the MAX9813LEKA+T is versatile and can be used in a myriad of devices with different power requirements.
• Low Power Consumption: The device is optimized for power-sensitive applications, with only 1.4mA of supply current during operation.

Applications

The MAX9813LEKA+T is ideal for adding high-quality audio amplification to devices such as:

• Smartphones and Tablets
• Bluetooth Headsets
• Portable Media Players
• Conference Phones
• Security and Surveillance Systems
• Other Audio Recording Devices

Design and Integration

The compact 8-pin Laminated Chip Carrier (LCC) package allows for easy integration into space-constrained designs. Additionally, the MAX9813LEKA+T is designed for simple and straightforward application circuitry, requiring minimal external components which helps reduce overall system cost and complexity.

With its robust feature set and Maxim Integrated's reputation for quality, the MAX9813LEKA+T microphone amplifier is a top choice for designers looking to enhance the audio performance of their next project without compromising on space or power efficiency.