ISL71831SEH Datasheet, PDF (3/21 Pages) Intersil Corporation – Radiation Hardened 5V 32-Channel Analog Multiplexer

Pin Configuration
ISL71831SEH
ISL71831SEH
(48 LD CQFP)
TOP VIEW
IN12
IN11
IN10
IN9
IN8
IN7
IN6
IN5
IN4
IN3
IN2
IN1
6 5 4 3 2 1 48 47 46 45 44 43
7
42
8
41
9
40
10
39
11
38
12
37
13
36
14
35
15
34
16
33
17
32
1819
20
21
22
23
24
25
26
27
28
29
31
30
IN28
IN27
IN26
IN25
IN24
IN23
IN22
IN21
IN20
IN19
IN18
IN17
Pin Descriptions
PIN NAME
OUT
V⁺
INx
Ax
EN
VREF
GND
LID
NC
ESD CIRCUIT
2
1
1
1
1
1
-
-
-
PIN NUMBER
DESCRIPTION
1
Output for multiplexer.
19
Positive power supply.
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, Inputs for multiplexer.
17, 18, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46
21, 22, 23, 24, 25
Address lines for multiplexer.
28
Enable control for multiplexer (active low).
20
Reference voltage used to set logic thresholds.
29
Ground
-
Package lid is internally connected to GND (pin 29).
2, 26, 27, 30, 47, 48
Not electrically connected.
PIN #
9V CLAMP
GND
CIRCUIT 1
PIN #
VDD
9V CLAMP
9V CLAMP
GND
CIRCUIT 2
Submit Document Feedback
3
FN8759.2
November 18, 2016