The LM1972N is a high-performance audio attenuator integrated circuit from Texas Instruments, designed to provide precise volume control in advanced audio systems. This digital-controlled analog volume control integrates advanced features and robust design to deliver a superior audio experience.
Key Features
- High Quality: The LM1972N offers exceptional audio quality with a total harmonic distortion plus noise (THD+N) of 0.001% at 1kHz, ensuring crystal clear sound reproduction.
- Wide Attenuation Range: It provides a wide attenuation range of 78dB in 1dB steps, giving users precise control over volume levels.
- Channel Separation: With excellent channel separation, the device maintains stereo integrity by minimizing crosstalk between channels.
- Low Noise: The device boasts a low noise performance, which is critical for high-fidelity audio applications.
- Multiple Input Channels: It features two stereo input channels, allowing for versatile use in different audio setups.
- Simple Interface: The LM1972N can be controlled via a simple serial interface, making it easy to integrate into various systems.
Applications
The LM1972N is ideal for a multitude of audio applications where volume control is essential. It is commonly used in:
- Professional audio mixing consoles
- Home theater systems
- Hi-Fi audio equipment
- Automotive audio systems
Technical Specifications
| Parameter |
Value |
| Supply Voltage |
±5V to ±15V |
| Operating Temperature |
-20°C to +85°C |
| Package Type |
20-DIP (0.300", 7.62mm) |
| Mounting Type |
Through Hole |
With its combination of performance, quality, and ease of use, the LM1972N from Texas Instruments stands out as a top choice for designers and engineers looking to create or upgrade their audio systems.