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M74HC4851YTTR

M74HC4851YTTR Description

The M74HC4851YTTR is a high-performance 8:1 multiplexer/demultiplexer integrated circuit (IC) designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is part of the M74HC4851 series and is specifically tailored for automotive applications, ensuring robustness and reliability in demanding environments. The M74HC4851YTTR features a maximum on-state resistance (Ron) of 195 ohms, which is crucial for minimizing power loss and ensuring efficient signal transmission. It operates within a supply voltage range of 2V to 6V, making it versatile for various power supply configurations.

The device boasts a low leakage current (IS(off)) of up to 100nA, which is essential for maintaining signal integrity and reducing power consumption when the device is in the off state. Additionally, the M74HC4851YTTR offers channel-to-channel matching (ΔRon) of 3 ohms, ensuring consistent performance across all channels. The channel capacitance (CS(off), CD(off)) is rated at 6.7pF and 22pF, respectively, which helps in maintaining high-frequency performance and minimizing signal distortion.

M74HC4851YTTR Features

• Multiplexer/Demultiplexer Circuit: 8:1 configuration, ideal for selecting one of eight input signals to be routed to a single output or vice versa.
• Low On-State Resistance: Max 195 ohms, ensuring minimal power loss and efficient signal routing.
• Low Leakage Current: Max 100nA, crucial for maintaining signal integrity and reducing power consumption.
• Channel Matching: ΔRon of 3 ohms, ensuring consistent performance across all channels.
• Channel Capacitance: CS(off) = 6.7pF, CD(off) = 22pF, minimizing signal distortion at high frequencies.
• Wide Supply Voltage Range: 2V to 6V, providing flexibility in power supply configurations.
• Automotive Grade: Designed to meet the stringent requirements of automotive applications.
• Surface Mount: 16TSSOP package, suitable for compact and high-density PCB designs.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of environmental conditions.

M74HC4851YTTR Applications

The M74HC4851YTTR is particularly well-suited for automotive applications where reliability, performance, and compact design are paramount. Its 8:1 multiplexer/demultiplexer configuration makes it ideal for applications such as:

• Automotive Infotainment Systems: Efficiently routing audio and video signals between multiple sources and displays.
• Sensor Signal Routing: Managing signals from various sensors in automotive systems, such as temperature, pressure, and position sensors.
• Telematics and Communication Systems: Enabling seamless data transmission between different modules within the vehicle.
• Advanced Driver Assistance Systems (ADAS): Routing signals from cameras, radar, and other sensors to central processing units.

Conclusion of M74HC4851YTTR

The M74HC4851YTTR by STMicroelectronics is a high-performance 8:1 multiplexer/demultiplexer IC designed to meet the demanding requirements of automotive applications. With its low on-state resistance, low leakage current, and excellent channel matching, it ensures efficient and reliable signal routing. The device's wide supply voltage range, automotive grade certification, and compliance with environmental standards make it a versatile and robust choice for modern automotive electronics. Whether used in infotainment systems, sensor signal routing, or advanced driver assistance systems, the M74HC4851YTTR offers superior performance and reliability, making it an ideal component for automotive engineers and designers.