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ISL43231_06 Datasheet, PDF (2/15 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply, Triple SPDT Analog Switch
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 “0” ≤0.8V. Logic “1” ≥2.4V, with V+ between 2.7V and
10V.
X = Don’t Care.
Ordering Information
PART
NUMBER
PART
MARKING
TEMP.
RANGE
(°C)
PKG.
PACKAGE DWG. #
ISL43231IR 43231IR
-40 to 85 20 Ld QFN L20.4x4
ISL43231IRZ 43231IRZ
(Note)
-40 to 85 20 Ld QFN L20.4x4
(Pb-free)
*Add “-T” suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
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
FN6054.2
February 27, 2006