IW4051B 查看數據表（PDF） - Unspecified

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IW4051B

Analog Multiplexer Demultiplexer High-Performance Silicon-Gate CMOS

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TECHNICAL DATA

IW4051B

Analog Multiplexer Demultiplexer

High-Performance Silicon-Gate CMOS

The IW4051B analog multiplexer/demultiplexer is digitally

controlled analog switches having low ON impedance and very low

OFF leakage current. Control of analog signals up to 20V peak-to-

peak can be achieved by digital signal amplitudes of 4.5 to 20V (if VCC

- GND = 3V, a VCC - VEE of up to 13 V can be controlled; for VCC -

VEE level differences above 13V a VCC - GND of at least 4.5V is

required).

These multiplexer circuits dissipate extremely low quiescent power

over the full VCC -GND and VCC - VEE supply-voltage ranges,

independent of the logic state of the control signals. When a logic

“1”is present at the ENABLE input terminal all channels are off.

The IW4051B is a single 8-channel multiplexer having three binary

control inputs, A,B and C, and an ENABLE input. The three binary

signals select 1 of 8 channels to be turned on, and connect one of the 8

inputs to the output.

• Operating Voltage Range: 3.0 to 18 V

• Maximum input current of 1 µA at 18 V over full package-

temperature range; 100 nA at 18 V and 25°C

• Noise margin (over full package temperature range):

1.0 V min @ 5.0 V supply

2.0 V min @ 10.0 V supply

2.5 V min @ 15.0 V supply

ORDERING INFORMATION

IW4051BN Plastic

IW4051BDW SOIC

TA = -55° to 125° C for all packages

PIN ASSIGNMENT

LOGIC DIAGRAM

Single-Pole, 8-Position Plus Common Off

PIN 16 =VCC

PIN 7 = VEE

PIN 8 = GND

FUNCTION TABLE

Control Inputs

Enable

Select

CBA

L

LLL

L

LLH

L

LHL

L

LHH

L

HLL

L

HLH

L

HH L

L

HHH

H

XXX

X = don’t care

ON

Channels

X0

X1

X2

X3

X4

X5

X6

X7

None

97

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