MAX924CPE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX924CPE+ is a high-speed, low-power quad video multiplexer designed for use in automotive applications. It allows multiple video sources to be connected and switched to a single output, making it ideal for automotive infotainment systems and advanced driver assistance systems (ADAS).

Characteristics: - High-speed operation - Low power consumption - Quad video input channels - Single video output channel - Wide operating voltage range - Automotive-grade reliability

Package: The MAX924CPE+ is available in an industry-standard 16-pin plastic DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the MAX924CPE+ lies in its ability to seamlessly switch between multiple video sources, providing a compact and efficient solution for automotive video integration.

Packaging/Quantity: The MAX924CPE+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Video Bandwidth: Up to 150MHz
• Input/Output Impedance: 75Ω
• Crosstalk Rejection: >60dB
• Power Consumption: <10mW

Pin Configuration

The MAX924CPE+ features a 16-pin package with the following pin configuration:

1. VCC - Positive supply voltage
2. GND - Ground reference
3. IN1 - Video input channel 1
4. IN2 - Video input channel 2
5. IN3 - Video input channel 3
6. IN4 - Video input channel 4
7. SEL1 - Channel selection input 1
8. SEL2 - Channel selection input 2
9. OUT - Video output channel
10. VEE - Negative supply voltage
11. NC - No connection
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection

Functional Features

• Quad video input channels allow for multiple video sources to be connected simultaneously.
• Single video output channel enables seamless switching between the input channels.
• High-speed operation ensures minimal latency in video signal transmission.
• Low power consumption makes it suitable for automotive applications with limited power budgets.
• Wide operating voltage range allows compatibility with various automotive systems.
• Automotive-grade reliability ensures robust performance in harsh environments.

Advantages and Disadvantages

Advantages: - Compact and efficient solution for automotive video integration. - High-speed operation minimizes latency in video signal transmission. - Low power consumption helps meet power budget constraints. - Wide operating voltage range enhances compatibility with different automotive systems. - Automotive-grade reliability ensures durability in challenging conditions.

Disadvantages: - Limited to quad video input channels, may not be suitable for applications requiring more inputs. - Requires external control signals for channel selection, adding complexity to the system design.

Working Principles

The MAX924CPE+ operates by selectively routing the video signals from the input channels to the output channel based on the control signals received at the SEL1 and SEL2 pins. When a specific channel is selected, the corresponding video input is connected to the output, allowing the video signal to pass through. The high-speed operation of the IC ensures minimal delay in the video signal transmission.

Detailed Application Field Plans

The MAX924CPE+ finds extensive application in the automotive industry, particularly in the following areas:

1. Automotive Infotainment Systems: The IC enables seamless integration of multiple video sources, such as rearview cameras, DVD players, and navigation systems, into the infotainment system of a vehicle. This enhances the overall user experience by providing a comprehensive multimedia interface.

2. Advanced Driver Assistance Systems (ADAS): The MAX924CPE+ plays a crucial role in ADAS applications by allowing the integration of various video inputs, including surround-view cameras, blind-spot monitoring cameras, and parking assist cameras. It enables real-time video processing and display, enhancing driver awareness and safety.

3. In-Vehicle Surveillance Systems: The IC can be utilized in in-vehicle surveillance systems, enabling the connection of multiple cameras for monitoring purposes. This is particularly useful in commercial vehicles, public transportation, and fleet management applications.

Detailed and Complete Alternative Models

1. MAX9259GCB+: This IC offers similar functionality to the MAX924CPE+ but includes additional features like built-in LVDS (Low-Voltage Differential Signaling) drivers for long-distance video transmission.

2. SN74HC4051N: Although not specifically designed for automotive applications, this multiplexer IC can