ISL43840 Intersil Corporation, ISL43840 Datasheet - Page 2

• Manufacturer Part Number: ISL43840
• Description: Low-Voltage/ Single and Dual Supply/ Dual 4 to 1 Multiplexer Analog Switch with Enable
• Manufacturer: Intersil Corporation

Pinout
Truth Table
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
ENABLE Digital Control Input. Connect to GND for Normal
ENABLE
GND
COM
ADD
N.C.
PIN
NO
NC
V+
V-
1
0
0
0
0
Positive Power Supply Input
Negative Power Supply Input. Connect to GND for
Single Supply Configurations.
Ground Connection
Operation. Connect to V+ to turn all switches off.
Analog Switch Common Pin
Analog Switch Normally Open Pin
Analog Switch Normally Closed Pin
Address Input Pin
No Internal Connection
ADD2
(Note)
X
0
0
1
1
ISL43840
ADD1
X
0
1
0
1
2
FUNCTION
ENABLE A
ENABLE B
SWITCH ON
COMB
NO3B
NO2B
NONE
NO0
NO1
NO2
NO3
1
2
3
4
5
20
6
LOGIC
ISL43840 (QFN)
ISL43840
19
7
TOP VIEW
18
8
LOGIC
17
9
Ordering Information
ISL43840IR
(43840IR)
16
PART NO.
10
(BRAND)
15
14
13
12
11
NO2A
COMA
NO0A
NO3A
ADD1A
RANGE (
-40 to 85
TEMP.
o
C)
20 Ld QFN
PACKAGE
L20.4x4
PKG. NO.