ISL43840_06 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
PART
TEMP.
PKG.
NUMBER MARKING RANGE (°C) PACKAGE DWG. #
ISL43840IR 43840IR
-40 to 85 20 Ld QFN L20.4x4
ISL43840IRZ 43840IRZ
(See 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.
2
FN6056.2
March 13, 2006