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CD4051 8 Channel Analog Multiplexer/Demultiplexer IC

  • CD4051 8 Channel Analog Multiplexer/Demultiplexer
Price:
$1.65 (inc GST) $1.50 (exc GST)
SKU:
Z4051
Current Stock:
28


Product Description

The CD4051B analog multiplexer are digitally-controlled analog switches having low ON impedance and very low OFF leakage current. Control of analog signals up to 20VP-P can be achieved by digital signal amplitudes of 4.5V to 20V (if VDD–VSS = 3V, a VDD–VEE of up to 13V can be controlled; for VDD–VEE level differences above 13V, a VDD–VSS of at least 4.5V is required). For example, if VDD = +4.5V, VSS = 0V, and VEE = –13.5V, analog signals from –13.5V to +4.5V can be controlled by digital inputs of 0V to 5V.

These multiplexer circuits dissipate extremely low quiescent power over the full VDD–VSS and VDD–VEE supply-voltage ranges, independent of the logic state of the control signals. When a logic "1" is present at the inhibit input terminal, all channels are off. The CD4051B 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.

Features:

  • Wide Range of Digital and Analog Signal Levels
    • Digital...3V to 20V
    • Analog...20VP-P
  • Low ON Resistance, 125(Typ) Over 15VP-P Signal Input Range for VDD–VEE = 18V
  • High OFF Resistance, Channel Leakage of ±100pA (Typ) at VDD–VEE = 18V
  • Logic-Level Conversion for Digital Addressing Signals of 3V to 20V (VDD–VSS = 3V to 20V) to Switch Analog Signals to 20VP-P (VDD–VEE = 20V)
  • Matched Switch Characteristics, rON = 5 (Typ) for VDD–VEE = 15V
  • Very Low Quiescent Power Dissipation Under All Digital-Control Input and Supply Conditions, 0.2µW (Typ) at VDD–VSS = VDD–VEE = 10V
  • Binary Address Decoding on Chip
  • 5V, 10V and 15V Parametric Ratings
  • 10% Tested for Quiescent Current at 20V
  • Maximum Input Current of 1µA at 18V Over Full Package Temperature Range, 100nA at 18V and 25°C
  • Break-Before-Make Switching Eliminates Channel Overlap
  • Applications
    • Analog and Digital Multiplexing and Demultiplexing
    • A/D and D/A Conversion
    • Signal Gating

More Information:


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