HCF4066BEY Datasheet

Analog Switch ICs


The HCF4066BEY is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. The HCF4066BEY is a QUAD BILATERAL SWITCH intended for the transmission or multiplexing of analog or digital signals. It is pin for pin compatible with HCF4016B, but exhibits a much lower ON resistance. In addition, the ON resistance is relatively constant over the full input signal range. The HCF4066BEY consists of four independent bilateral switches. A single control signal is required per switch. Both the pand n device in a given switch are biased ON or OFF simultaneously by the control signal. As shown in schematic diagram, the well of the n-channel device on each switch is either tied to 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 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 impedance over the input signal range. For sample and hold applications, however, the HCF4066BEY is recommended. HCF4066BEY Features &bull; 15v digital or &plusmn; 7.5v peak to peakswitching&bull; 125&omega; typical on resistance for 15voperation&bull; switch on resistance matched towithin 5&omega; typ. over 15v signal inputrange&bull; on resistance flat over full peakto peak signal range&bull; high on/off output voltage ratio:65db typ. at fis = 10khz, rl= 10k&omega;&bull; high degree of linearity: < 0.5%distortion typ. at fis = 1khz, vis =5vpp,vdd - vss > 10v, rl = 10k&omega;&bull; extremely low off switch leakage resulting in very low offset current and high effective off resistance: 10pa typ.at vdd - vss = 10v, tamb = 25&deg;c&bull; extremely high control input impedance (control circuit isolated from signal circuit 1012&omega; typ.)&bull; low crosstalk between switches: 50db typ. at fis= 0.9mhz, rl = 1k&omega;&bull; matched control - input to signal output capacitance: reduces output signal transients&bull; frequency response switch on:40mhz (typ.)&bull; quiescent current specif. up to 20v&bull; 5v, 10v and 15v parametric ratings


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