Texas Instruments

CD4067BME4

CD4067BME4 Description

The CD4067BME4 is a 16:1 multiplexer/demultiplexer IC designed by Texas Instruments, featuring a maximum on-state resistance of 240 ohms. This device is part of the Analog Switches, Multiplexers, and Demultiplexers category and is housed in a 24SOIC package. Despite being marked as obsolete, the CD4067BME4 remains a reliable choice for various applications requiring efficient signal routing. It operates within a supply voltage range of 3V to 18V and offers a -3dB bandwidth of 14MHz, making it suitable for high-speed signal processing tasks.

CD4067BME4 Features

• Multiplexer/Demultiplexer Circuit: The CD4067BME4 features a 16:1 multiplexer/demultiplexer circuit, allowing for efficient signal routing and selection among multiple input or output channels.
• Low On-State Resistance: With a maximum on-state resistance of 240 ohms, this IC ensures minimal signal attenuation and power loss, enhancing overall system performance.
• Channel-to-Channel Matching: The device boasts a channel-to-channel matching of 5 ohms, ensuring consistent performance across all channels and reducing signal distortion.
• Low Leakage Current: The maximum leakage current of 100nA ensures minimal power consumption and signal degradation, making it suitable for low-power applications.
• Channel Capacitance: The CD4067BME4 features low channel capacitance values of 0.2pF for CS(off) and 55pF for CD(off), contributing to its high-speed performance and minimal signal delay.
• Wide Operating Voltage Range: The IC operates within a supply voltage range of 3V to 18V, providing flexibility in power supply requirements.
• High Bandwidth: With a -3dB bandwidth of 14MHz, the CD4067BME4 is capable of handling high-frequency signals, making it ideal for applications requiring fast signal switching.
• Surface Mount Technology: The surface mount package type ensures ease of integration into modern PCB designs and facilitates automated assembly processes.
• Compliance and Reliability: The CD4067BME4 is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage time without the need for special handling.

CD4067BME4 Applications

The CD4067BME4 is well-suited for a variety of applications that require efficient signal routing and switching. Some specific use cases include:

• Data Acquisition Systems: The 16:1 multiplexing capability allows for the efficient collection and routing of multiple analog signals to a single ADC, simplifying system design and reducing component count.
• Test and Measurement Equipment: The high bandwidth and low on-state resistance make it ideal for routing signals in oscilloscopes, spectrum analyzers, and other test equipment.
• Medical Devices: The low leakage current and high channel-to-channel matching ensure accurate signal transmission in medical diagnostic equipment, such as ECG and EEG machines.
• Telecommunications: The CD4067BME4 can be used in signal routing applications within communication systems, ensuring reliable and efficient signal switching.
• Automotive Electronics: The wide operating voltage range and surface mount package make it suitable for automotive applications where space is limited and power supply variations are common.

Conclusion of CD4067BME4

The CD4067BME4 from Texas Instruments is a versatile and reliable 16:1 multiplexer/demultiplexer IC that offers a range of performance benefits, including low on-state resistance, high bandwidth, and low leakage current. Despite its obsolete status, the CD4067BME4 remains a valuable component for applications requiring efficient signal routing and switching. Its compliance with environmental and regulatory standards ensures long-term reliability and ease of integration into modern electronic systems.