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| ISL43231 Datasheet, PDF (2/15 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply, Triple SPDT Analog Switch | |||
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Pinout
ISL43231
ISL43231 (QFN)
TOP VIEW
20 19 18 17 16
NOA 1
COMA 2
NCA 3
EN 4
EN 5
15 COMC
14 NOC
13 NCC
12 ADDC
11 ADDB
6 7 8 9 10
Truth Table
ISL43231
LE
EN
EN ADDC ADDB ADDA SWITCH ON
0
1
0
X
X
X Last Switches
Selected
X
0
X
X
X
X NONE
X
X
1
X
X
X NONE
1
1
0
X
X
0 NCA
1
1
0
X
X
1 NOA
1
1
0
X
0
X NCB
1
1
0
X
1
X NOB
1
1
0
0
X
X NCC
1
1
0
1
X
X NOC
NOTE: Logic â0â â¤0.8V. Logic â1â â¥2.4V, with V+ between 2.7V and
10V.
X = Donât Care.
Ordering Information
PART NO.
(BRAND)
TEMP.
RANGE (oC) PACKAGE PKG. DWG. #
ISL43231IR (741I) -40 to 85 20 Ld QFN L20.4x4
Pin Descriptions
PIN
FUNCTION
V+ Positive Power Supply Input
V- Negative Power Supply Input. Connect to GND for
Single Supply Configurations.
GND Ground Connection
EN Digital Control Input. Connect to GND for Normal
Operation. Connect to V+ to turn all switches off.
EN Digital Control Input. Connect to V+ for Normal
Operation. Connect to GND to turn all switches off.
LE Digital Control Input. Connect to +V for Normal
Operation. Connect to GND to latch the last switch state.
COM Analog Switch Common Pin
NO Analog Switch Normally Open Pin
NC Analog Switch Normally Closed Pin
ADD Address Input Pin
N.C. No Internal Connection
2
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