SSM2165 Microphone Preamplifier/Limiter from Analog Devices Inc.

The SSM2165 from Analog Devices Inc. is a state-of-the-art, complete and compact microphone preamplifier solution with a built-in audio limiter, designed for an array of audio applications. This integrated circuit (IC) is ideal for enhancing and controlling the dynamic range of a microphone signal, making it perfect for use in environments with varying noise levels or where the microphone must operate over a wide range of input levels.

Key Features:

• Adjustable Gain: The SSM2165 offers a user-adjustable gain set by a single external resistor, which provides flexibility in various application scenarios.
• Integrated Audio Limiter: With an on-chip limiter, the SSM2165 effectively controls the dynamic range of the input signal, preventing distortion from high-level surges and ensuring consistent audio quality.
• Low Noise Performance: Designed for low noise operation, the SSM2165 ensures a clear and high-quality audio output, making it suitable for professional audio applications.
• Low Power Consumption: The device is optimized for low power consumption, making it a suitable choice for battery-powered devices such as portable recording systems.

Applications:

The SSM2165 is versatile and can be used in a variety of audio processing applications, including:

• Professional and consumer audio mixers
• Portable and desktop microphones
• Audio conferencing systems
• Broadcast studio equipment
• Public address systems

Technical Specifications:

• Supply Voltage: 4.5 V to 9 V
• Dynamic Range: >100 dB
• THD+N: 0.2% typical at 1 kHz
• Adjustable Gain Range: 0 dB to 50 dB

The SSM2165 is available in a compact 8-lead mini-DIP or SOIC package, allowing for easy integration into a wide range of audio equipment. With its combination of high-quality audio performance, integrated limiter, and low power consumption, the SSM2165 is an excellent choice for designers looking to improve the audio performance of their systems.