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IK Semiconductor
IK Semiconductor

IW4051B Datasheet Preview

IW4051B Datasheet

8-Channel Analog Multiplexer/Demultiplexer

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IW4051B pdf
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
N SUFFIX
PLASTIC
16
1 D SUFFIX
16 SOIC
1
ORDERING INFORMATION
IW4051BN
Plastic DIP
IW4051BD
SOIC
TA = -55° to 125° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
Single-Pole, 8-Position Plus Common Off
13
X0
X1 14
X2 15
ANALOG
X3 12
INPUTS/OUTPUTS X4 1
X5 5
X6 2
X7 4
MULTIPLEXER/
DEMULTIPLEXER
A 11
CHANNEL-SELECT
INPUTS
B
10
C
www.datasheet4u.comENABLE
9
6
PIN 16 =VCC
PIN 7 = VEE
PIN 8 = GND
3
X
COMMON
OUTPUT/INPUT
FUNCTION TABLE
Control Inputs
Enable
Select
CB
L LL
L LL
L LH
L LH
L HL
L HL
L HH
L HH
HX
H = high level
L = low level
X = don’t care
X
A
L
H
L
H
L
H
L
H
X
ON
Channels
X0
X1
X2
X3
X4
X5
X6
X7
None
1



IK Semiconductor
IK Semiconductor

IW4051B Datasheet Preview

IW4051B Datasheet

8-Channel Analog Multiplexer/Demultiplexer

No Preview Available !

IW4051B pdf
IW4051B
MAXIMUM RATINGS*
Symbol
VCC
VIN
IIN
PD
Ptot
Tstg
TL
Parameter
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Input Current, per Pin
Power Dissipation in Still Air
Power Dissipation per Output Transistor
Storage Temperature
Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SO Package)
Value
-0.5 to +20
-0.5 to VCC +0.5
±10
500*1
100
-65 to +150
260
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
*1 - for Plastic DIP from -55° to +100°C, for SO Package from -55° to +65°C.
+Derating - Plastic DIP: - 12 mW/°C from 100° to 125°C
SO Package: - 7 mW/°C from 65° to 125°C
Unit
V
V
mA
mW
mW
°C
°C
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VIN
TA
Parameter
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
Operating Temperature, All Package Types
Min Max Unit
3.0 18
V
0 VCC V
-55 +125
°C
This device contains protection circuitry to guard against damage due to high static voltages or electric fields.
However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this
high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND(VIN or
VOUT)VCC.
Unused digital pins must be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused
Analog I/O pins may be left open or terminated.
2


Part Number IW4051B
Description 8-Channel Analog Multiplexer/Demultiplexer
Maker IK Semiconductor
Total Page 7 Pages
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