ISL43840 Datasheet, PDF (2/14 Pages) Intersil Corporation – Low-Voltage, Single and Dual Supply, Dual 4 to 1 Multiplexer Analog Switch with Enable

Pinout
ISL43840
ISL43840 (QFN)
TOP VIEW
20 19 18 17 16
COMB 1
NO3B 2
NO2B 3
ENABLE A 4
ENABLE B 5
LOGIC
LOGIC
15 NO2A
14 COMA
13 NO0A
12 NO3A
11 ADD1A
6 7 8 9 10
Truth Table (Note)
ISL43840
ENABLE
ADD2
ADD1
SWITCH ON
1
X
X
NONE
0
0
0
NO0
0
0
1
NO1
0
1
0
NO2
0
1
1
NO3
NOTE: Applies to either A or B switch. Logic “0” ≤0.8V. Logic “1”
≥2.4V, with V+ between 2.7V and 10V. X = Don’t Care.
Pin Descriptions
PIN
FUNCTION
V+ Positive Power Supply Input
V- Negative Power Supply Input. Connect to GND for
Single Supply Configurations.
GND Ground Connection
ENABLE Digital Control Input. Connect to GND for Normal
Operation. Connect to V+ to turn all switches off.
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
Ordering Information
PART NO.
(BRAND)
ISL43840IR
(43840IR)
TEMP.
RANGE (^oC)
PACKAGE
-40 to 85 20 Ld QFN
PKG. NO.
L20.4x4
2