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IW4051B 반도체 회로 부품 판매점

Analog Multiplexer Demultiplexer High-Performance Silicon-Gate CMOS



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ETC
IW4051B 데이터시트, 핀배열, 회로
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
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IW4051B 데이터시트, 핀배열, 회로
IW4051B
MAXIMUM RATINGS*
Symbol
Parameter
Value
VCC
VIN
VOUT
IIN
PD
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
Power Dissipation in Still Air, Plastic DIP+
SOIC Package+
-0.5 to +20
-0.5 to VCC +0.5
-0.5 to VCC +0.5
±10
750
500
PD Power Dissipation per Output Transistor
Tstg Storage Temperature
100
-65 to +150
TL Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)
260
*Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
+Derating - Plastic DIP: - 10 mW/°C from 65° to 125°C
SOIC Package: : - 7 mW/°C from 65° to 125°C
Unit
V
V
V
mA
mW
mW
°C
°C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Max Unit
VCC
VIN, VOUT
TA
I
DC Supply Voltage (Referenced to GND)
DC Input Voltage, Output Voltage (Referenced to GND)
Operating Temperature, All Package Types
Multiplexer Switch Input Current Capability*
3.0 18
V
0 VCC
-55 +125
V
°C
- 25 mA
ROH Output Load Resistance
100 -
* In certain applications, the external load-resistor current may include both VCC and signal-line components.
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.
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