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The CD4066BE is a quad single-pole single-throw (SPST) analog switch integrated circuit manufactured by Texas Instruments, belonging to the classic 4000B series CMOS logic family. This device contains four independent analog switches capable of transmitting or switching both analog and digital signals. With its wide operating voltage range, low on-state resistance, and high off-state isolation, the CD4066BE is an ideal choice for various electronic applications, including audio signal routing, analog modulation, and data acquisition systems.
Category:Integrated Circuits (ICs);Interface;Analog Switches, Multiplexers, Demultiplexers
Manufacturer:Texas Instruments
Series:4000B
Packaging:Tube
Part Status:Active
Switch Circuit:SPST
Multiplexer/Demultiplexer Circuit:1:1
Number of Circuits:4
On-State Resistance (Max):240Ohm
Channel-to-Channel Matching (ΔRon):5Ohm
Voltage - Supply, Single (V+):3V ~ 18V
Operating Temperature:-55°C ~ 125°C
Mounting Type:Through Hole
Package / Case:14-DIP (0.300", 7.62mm)
Supplier Device Package:14-PDIP
Base Product Number:CD4066
High Integration: Monolithic integration of four independent analog switches simplifies PCB design and saves space.
Wide Operating Voltage Range: Supports single supply voltage from 3V to 18V, compatible with various logic levels, offering design flexibility.
Low On-State Resistance: Features relatively low typical on-state resistance that remains stable over a wide voltage range, helping to minimize signal attenuation.
High Off-State Isolation: Provides high impedance between switch channels in the off state, effectively preventing signal crosstalk.
Low Quiescent Power Consumption: Based on CMOS technology, it consumes very low power, making it suitable for battery-powered devices.
Good Channel Matching: Small variation in on-state resistance between channels (typical ΔRon of 5Ω), suitable for applications requiring channel consistency.
Linear Signal Handling Capability: Capable of transmitting analog signals and maintaining good linearity within the specified input signal range.
Robust and Reliable: Wide operating temperature range (-55°C to 125°C) makes it suitable for industrial and military applications.
Audio Signal Routing and Switching: Used in mixers, audio interfaces, and effects units to switch input/output signal channels.
Analog Signal Modulation and Gating: Used to implement sample-and-hold circuits, amplitude modulation (AM), and automatic gain control (AGC) circuits for analog signals.
Communication Systems: Used in modems and RF circuits for signal path selection and switching.
Data Acquisition Systems: Used for multiplexing multiple analog sensor signals, allowing a single ADC to read multiple channels sequentially.
Programmable Gain Amplifiers: Used to change amplifier gain by switching different feedback resistors.
Instrumentation and Measurement Equipment: Used in devices like oscilloscopes and multimeters for internal signal routing and function selection.
Digital Control Systems: Used as a solid-state replacement for mechanical relays to achieve signal switching control, offering longer lifespan and faster speed.
The CD4066BE is a time-tested and versatile quad analog switch integrated circuit. Its wide operating voltage range, low on-state resistance, excellent channel matching, and CMOS low-power characteristics make it a reliable choice for signal switching and routing tasks across a broad spectrum of fields, from consumer electronics to industrial control. Whether used in audio processing, data acquisition, or communication systems, the CD4066BE delivers stable and efficient performance, serving as a classic and practical fundamental component in modern electronic design.
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