4051 Analog Mux/Demux

The 4051 Analog Mux/De-mux is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages.

The HCF4051 analog multiplexer/De-multiplexer is a digitally controlled analog switch having low ON impedance and very low OFF leakage current.This multiplexer circuit dissipate extremely low quiescent power over the full VDD – VSS and VDD -VEE supply voltage range, independent of the logic state of the control signals.When a logic “1” is present at the inhibit input terminal all channel are off. This device is a single 8-channel multiplexer having three binary control inputs, A, B, and C, and an inhibit input.The three binary signals select 1 of 8 channels to be turned on, and connect one of the 8 inputs to the output.

4051 Analog Mux/Demux Features:-

• Low “ON” resistance : 125w (typ.)Over 15V p.p signal-input range for VDD – VEE = 15v

• High “OFF” resistance : channel leakage ± 100pa (typ.) At VDD – VEE = 18v

• Binary address decoding on chip

• High degree of linearity : < 0.5% distortion typ. At fIS = 1kHz, VIS = 5 vpp, VDD – VEE > 10v, RL = 10kw

• Very low quiescent power dissipation under all digital control input and supply conditions : 0.2 mw (typ.)At VDD – VSS = VDD – VEE =10v

• Matched switch characteristics :RON = 5w (typ.) For VDD – VEE = 15v

• Wide range of digital and analog signal levels : digital 3 to 20,analog to 20V p.p.

• Quiescent current specified up to 20V

• 5V, 10V and 15V parametric ratings

• Input leakage current II = 100nA (max) at VDD = 18v TA = 25°c

• 100% tested for quiescent current

• Meets all requirements of JEDEC JESD13B ” standard specifications for description of B series CMOS devices”

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