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IW4051BN Schematic ( PDF Datasheet ) - ETC

Teilenummer IW4051BN
Beschreibung Analog Multiplexer Demultiplexer High-Performance Silicon-Gate CMOS
Hersteller ETC
Logo ETC Logo 




Gesamt 6 Seiten
IW4051BN Datasheet, Funktion
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 HHL
L HHH
H XXX
X = don’t care
ON
Channels
X0
X1
X2
X3
X4
X5
X6
X7
None
97






IW4051BN Datasheet, Funktion
IW4051B
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
EXPANDED LOGIC DIAGRAM
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