4066 IC Quad Bilateral Switch

4066 IC
Quad Bilateral

Switch

The CD4066 device is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. It is pin-for-pin compatible with the CD4016 device, but exhibits a much lower on-state resistance. In addition, the on-state resistance is relatively constant over the full signal-input range.

The CD4066 device 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. The well of the n-channel device on each switch is tied to either the input (when the switch is on) or to V
SS
(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 CD4016 device is recommended.

Features:-

15-V Digital or 7.5-V Peak-to-Peak Switching

125- Typical On-State Resistance for 15-V Operation

Switch On-State Resistance Matched to Within 5 Over 15-V Signal-Input Range

On-State Resistance Flat Over Full Peak-to-Peak Signal Range

High On or Off Output-Voltage Ratio: 80 dB Typical at f
is
= 10 kHz, R
L
= 1 k

High Degree of Linearity: <0.5% Distortion Typical at fis= 1 kHz, Vis= 5-Vp-p,VDD VSS 10-V, RL= 10 kExtremely Low Off-State Switch Leakage, Resulting in Very Low Offset Current and High Effective Off-State Resistance: 10 pA Typical at VDD VSS= 10-V, TA= 25CExtremely High Control Input Impedance (Control Circuit Isolated From Signal Circuit): 1012 TypicalLow Crosstalk Between Switches: 50 dB Typical at fis= 8 MHz, RL= 1 kMatched Control-Input to Signal-Output Capacitance: Reduces Output Signal TransientsFrequency Response, Switch On = 40 MHz Typical100% Tested for Quiescent Current at 20-V5-V, 10-V, and 15-V Parametric RatingsSpecifications:-ParameterSpecificationPart numberCD4066BConfiguration1:1 SPSTNumber of channels (#)4Ron (Typ) (Ohms)125Bandwidth (MHz)40RatingSee Data SheetOperating temperature range (C)-55 to 125Package GroupPDIP|14Input/output continuous current (Max) (mA)10Supply current (Typ) (uA)0.01CON (Typ) (pF)8Pin Configuration:Applications:Analog and digital signal multiplexing in data acquisition systems.Signal gating and chopping in instrumentation circuits.Modulation and demodulation in communication devices.Switched-capacitor filters and programmable gain amplifiers.Audio signal routing and switching in consumer electronics.Sample-and-hold circuits with recommended alternatives for precision.Datasheet:CD4066