ISL43681 Datasheet, PDF (2/17 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer and Differential 4 to 1 Multiplexer

Pinouts
ISL43681 (QFN)
TOP VIEW
ISL43681, ISL43741
ISL43741 (QFN)
TOP VIEW
20 19 18 17 16
COM 1
NO7 2
NO5 3
EN 4
EN 5
LOGIC
15 NO4
14 NO0
13 NO6
12 ADDC
11 ADDB
6 7 8 9 10
20 19 18 17 16
COM_B 1
NO3_B 2
NO2_B 3
EN 4
EN 5
LOGIC
15 NO2_A
14 COM_A
13 NO0_A
12 NO3_A
11 ADDB
6 7 8 9 10
Truth Tables
ISL43681
LE EN EN ADDC ADDB ADDA SWITCH ON
0
1
0
X
X
X Last Switch
Selected
X
0
X
X
X
X NONE
X
X
1
X
X
X NONE
1
1
0
0
0
0 NO0
1
1
0
0
0
1 NO1
1
1
0
0
1
0 NO2
1
1
0
0
1
1 NO3
1
1
0
1
0
0 NO4
1
1
0
1
0
1 NO5
1
1
0
1
1
0 NO6
1
1
0
1
1
1 NO7
NOTE: Logic “0” ≤0.8V. Logic “1” ≥2.4V, with V+ between 2.7V and
10V. X = Don’t Care.
ISL43741
LE EN EN ADDB ADDA
SWITCH ON
0
1
0
X
X Last Switch Selected
X
0
X
X
X NONE
X
X
1
X
X NONE
1
1
0
0
0 NO0_A, NO0_B
1
1
0
0
1 NO1_A, NO1_B
1
1
0
1
0 NO2_A, NO2_B
1
1
0
1
1 NO3_A, NO3_B
NOTE: Logic “0” ≤0.8V. Logic “1” ≥2.4V, with V+ between 2.7V and
10V. X = Don’t Care.
2
Ordering Information
PART NO.
(BRAND)
TEMP.
RANGE (^oC) PACKAGE
PKG.
DWG. #
ISL43681IR (43681IR) -40 to 85 20 Ld QFN L20.4x4
ISL43741IR (43741IR) -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
ADD Address Input Pin
N.C. No Internal Connection