MAX7401CSA

Product Overview

• Category: Integrated Circuit
• Use: Video Filter
• Characteristics: Low-pass filter, 8th order Butterworth response, adjustable cutoff frequency, low distortion, high dynamic range
• Package: Small Outline (SOIC), 8 pins
• Essence: Filtering video signals to remove unwanted noise and artifacts
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 12V
• Operating Temperature Range: -40°C to +85°C
• Cutoff Frequency Range: 0.1Hz to 10MHz
• Input Signal Range: ±2V
• Output Signal Range: ±4V
• Total Harmonic Distortion: <0.01%
• Gain: Unity (0dB)
• Input Impedance: 75Ω
• Output Impedance: 75Ω

Pin Configuration

The MAX7401CSA has the following pin configuration:

```

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| | --| V+ OUT |-- Pin 1 --| IN GND |-- Pin 2 --| FB V- |-- Pin 3 --| ADJ NC |-- Pin 4 --| VREF NC |-- Pin 5 --| BP NC |-- Pin 6 --| BYP NC |-- Pin 7 --| FILT NC |-- Pin 8 |___________| ```

Functional Features

• 8th order Butterworth low-pass filter for video signals
• Adjustable cutoff frequency for precise filtering
• Low distortion ensures high-quality video output
• High dynamic range allows for accurate signal processing
• Internal voltage reference for easy calibration
• Built-in bypass mode for direct signal path

Advantages and Disadvantages

Advantages: - High-quality video filtering - Adjustable cutoff frequency for flexibility - Low distortion and high dynamic range - Easy calibration with internal voltage reference - Bypass mode for direct signal path

Disadvantages: - Limited to video signal filtering applications - Requires external components for complete circuit implementation

Working Principles

The MAX7401CSA is designed to filter video signals by removing unwanted noise and artifacts. It utilizes an 8th order Butterworth low-pass filter, which provides a smooth frequency response with minimal distortion. The cutoff frequency can be adjusted using the ADJ pin, allowing for precise filtering based on the specific application requirements.

The input video signal is connected to the IN pin, while the filtered output is obtained from the OUT pin. The V+ and V- pins provide the supply voltage for the IC, and the GND pin is connected to the ground reference. The FB pin is used for feedback control, ensuring stable operation of the filter.

The MAX7401CSA also features a bypass mode, which allows the video signal to pass through without any filtering. This can be useful in certain applications where direct signal path is required.

Detailed Application Field Plans

The MAX7401CSA is commonly used in various video processing applications, including:

1. CCTV Systems: Filtering video signals from surveillance cameras to enhance image quality and reduce noise.
2. Video Editing: Improving video quality during post-production by removing unwanted artifacts and noise.
3. Broadcast Equipment: Ensuring clean and clear video signals for television broadcasting.
4. Medical Imaging: Enhancing the quality of medical images captured by imaging devices such as ultrasound machines.
5. Video Game Consoles: Optimizing video output for immersive gaming experiences.

Alternative Models

1. MAX7402CSA: Similar to MAX7401CSA but with additional features for advanced video filtering.
2. MAX7403CSA: Lower-cost alternative with reduced specifications but suitable for basic video filtering applications.
3. MAX7404CSA: Higher-performance version with improved distortion characteristics and wider frequency range.

These alternative models provide options for different requirements and budgets, allowing users to choose the most suitable solution for their specific application needs.

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