CD4066BPW Datasheet

Analog Switch ICs


The CD4066BPW is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. It is pin-for-pin compatible with the CD4066BPW, but exhibits a much lower on-state resistance. In addition, the on-state resistance is relatively constant over the full signal-input range. The CD4066BPW consists of four bilateral switches, each with independent controls. Both the p and the n devices in a given switch are biased on or off simultaneously by the control signal. As shown in Figure 1, the well of the n-channel device on each switch is tied to either the input (when the switch is on) or to VSS (when the switch is off). This configuration eliminates the variation of the switch-transistor threshold voltage with input signal and, thus, keeps the on-state resistance low over the full operating-signal range. The advantages over single-channel switches include peak input-signal voltage swings equal to the full supply voltage and more constant on-state impedance over the input-signal range. However, for sample-and-hold applications, the CD4066BPW is recommended. CD4066BPW Features • 15-V Digital or ±7.5-V Peak-to-Peak Switching• 125-Ω Typical On-State Resistance for 15-V Operation• Switch On-State Resistance Matched to Within 5 Ω Over 15-V Signal-Input Range• On-State Resistance Flat Over Full Peak-to-Peak Signal Range CD4066BPW Applications • Analog Signal Switching/Multiplexing: Signal Gating, Modulator, Squelch Control, Demodulator, Chopper, Commutating Switch• Digital Signal Switching/Multiplexing• Transmission-Gate Logic Implementation• Analog-to-Digital and Digital-to-Analog Conversion• Digital Control of Frequency, Impedance, Phase, and Analog-Signal Gain


[{"Name":"Number of Switches:","Value":"4"},{"Name":"On Resistance (Max):","Value":"1050 Ohms"},{"Name":"Switch Voltage (Max):","Value":"15 V"},{"Name":" On Time (Max):","Value":"70 ns"},{"Name":"Off Time (Max):","Value":"70 ns"},{"Name":"Operating Supply Voltage:","Value":"3 V to 18 V"},{"Name":"Maximum Operating Temperature:","Value":"+ 125 C"},{"Name":"Minimum Operating Temperature:","Value":"- 55 C"},{"Name":"","Value":""},{"Name":"","Value":""}]

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