The NJW1141M is an audio processor with a built-in 3-band equalizer, volume control, and input selector, manufactured by New Japan Radio (NJR). This integrated circuit is designed for a variety of audio applications where precise control over sound characteristics is required.

Applications

• Car audio systems
• Home theater systems
• Audio amplifiers
• Mixing consoles
• Powered speakers

Features

• 3-band equalizer (Bass, Middle, Treble)
• Volume control with mute function
• Input selector with multiple inputs
• Low noise and distortion
• I2C bus control interface
• Built-in operational amplifiers for signal processing

Benefits

• Precise Audio Control: The 3-band equalizer allows for fine-tuning of the audio frequency response to achieve the desired sound characteristics.
• Simplified System Design: The integrated functions reduce the number of external components required.
• Easy Control: The I2C interface allows for easy control of all functions from a microcontroller.
• High-Quality Audio Performance: Low noise and distortion ensure clear and accurate sound reproduction.
• Versatile Application: Suitable for a wide range of audio applications.

The NJW1141M provides a complete audio processing solution in a single chip. The equalizer allows users to adjust the bass, middle, and treble frequencies to their preference. The volume control includes a mute function for quickly silencing the audio output. The input selector allows the user to choose from multiple audio sources. The I2C interface makes it easy to integrate the NJW1141M into a microcontroller-based system.

Technical Specifications (Typical):

• Operating Voltage: 4.5V to 5.5V
• Input Voltage Range: Varies depending on configuration
• THD+N: Typically less than 0.01%
• Channel Separation: Typically greater than 80dB