Product Overview: LTC1065IN8 - Linear Technology
The LTC1065IN8 is a state-of-the-art low noise, low distortion, monolithic 8th order switched-capacitor Butterworth lowpass filter designed by Linear Technology. This high-performance filter is ideally suited for a wide range of applications, including signal conditioning, data acquisition systems, and high-quality audio processing. With its precision characteristics, the LTC1065IN8 provides a significant improvement in signal-to-noise ratio and harmonic distortion over traditional active filter designs.
Key Features
- Filter Type: 8th order Butterworth lowpass filter
- Operating Frequency: Clock tunable up to 150kHz
- Low Noise: Offers a dynamic range of 90dB with a 2.5V RMS signal at 100kHz clock rate
- Low Distortion: Total Harmonic Distortion (THD) of 0.01% ensures high-fidelity audio signal processing
- DC Accuracy: 0.05% maximum nonlinearity for precise signal handling
- Power Supply: Single 5V supply operation for simplified design integration
- Packaging: Available in a narrow 8-pin PDIP package
Applications
The LTC1065IN8 is versatile and can be used in a variety of applications that require clean, lowpass filtered signals. These applications include but are not limited to:
- Anti-aliasing for data acquisition systems
- Audio signal processing
- Instrumentation and measurement equipment
- Communications systems
- Medical equipment
Design Advantages
The LTC1065IN8 offers designers several advantages. Its monolithic design reduces the need for external components, which simplifies PCB layout and reduces system complexity. Additionally, the filter's clock-tunable feature allows for flexibility in selecting the cutoff frequency, enabling one filter to be used for multiple applications. The inherent stability of the Butterworth response ensures a maximally flat passband, providing a clean and undistorted output signal.
Conclusion
Linear Technology's LTC1065IN8 is a high-quality, versatile lowpass filter that delivers superior performance for applications requiring clean analog signals. Its combination of low noise, low distortion, and ease of use makes it an excellent choice for engineers looking to improve their system's signal integrity.
