Texas Instruments

CD4051BF  

Analog Switches, Multiplexers, Demultiplexers

CD4051BF Description

The CD4051BF is a high-performance, 8:1 multiplexer/demultiplexer integrated circuit designed by Texas Instruments. This versatile device is ideal for a wide range of applications requiring efficient signal routing and control. The CD4051BF features a single-pole, eight-throw (SP8T) switch circuit with an on-state resistance (Ron) of up to 240 ohms, ensuring minimal signal attenuation. It operates within a broad supply voltage range of 3V to 20V, making it suitable for various power supply configurations. The device is housed in a through-hole package, specifically a tube, which enhances its mechanical stability and ease of integration into printed circuit boards.

CD4051BF Features

• Low Leakage Current: The CD4051BF boasts a maximum leakage current (IS(off)) of only 100nA, ensuring minimal power consumption and signal degradation when channels are off.
• Channel-to-Channel Matching: With a channel-to-channel matching (ΔRon) of 5 ohms, the CD4051BF provides consistent performance across all channels, crucial for applications requiring precise signal switching.
• Low Channel Capacitance: The device features low channel capacitance (CS(off) = 0.2pF, CD(off) = 30pF), which minimizes signal distortion and ensures high-frequency performance.
• Wide Bandwidth: The CD4051BF has a -3dB bandwidth of 20MHz, enabling it to handle high-frequency signals with minimal loss.
• Robust Compliance: The CD4051BF is ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) that is not applicable, making it suitable for a variety of environmental conditions.
• Single Supply Operation: The device operates within a wide supply voltage range (3V to 20V), providing flexibility in power supply design.
• Multiplexer/Demultiplexer Circuit: The 8:1 multiplexer/demultiplexer circuit allows for efficient signal routing and control, making it ideal for applications requiring multiple signal paths.

CD4051BF Applications

The CD4051BF is well-suited for a variety of applications due to its robust performance and versatile design. Some specific use cases include:

• Signal Routing: Ideal for routing multiple signals through a single channel, the CD4051BF can efficiently manage signal paths in complex electronic systems.
• Analog-to-Digital Conversion: The device can be used to switch analog signals to digital converters, ensuring accurate and efficient data acquisition.
• Data Acquisition Systems: The CD4051BF's low leakage current and channel-to-channel matching make it ideal for high-precision data acquisition systems.
• Telecommunications: The wide bandwidth and low channel capacitance enable the CD4051BF to handle high-frequency signals, making it suitable for telecommunications applications.
• Medical Equipment: The device's low leakage current and compliance with stringent safety standards make it suitable for medical equipment requiring high reliability and precision.

Conclusion of CD4051BF

The CD4051BF from Texas Instruments is a highly versatile and reliable 8:1 multiplexer/demultiplexer IC. Its low leakage current, channel-to-channel matching, and low channel capacitance ensure high performance and minimal signal degradation. The wide bandwidth and single supply operation make it suitable for a variety of applications, from signal routing to high-precision data acquisition systems. The CD4051BF's compliance with ROHS3 standards and its robust mechanical design further enhance its appeal. Overall, the CD4051BF is an excellent choice for engineers seeking a reliable and efficient multiplexer/demultiplexer solution.

CD4051BF Documents

Download datasheets and manufacturer documentation for CD4051BF

Datasheets :

CD405xB