
SNAD02C
8-CHANNEL 10-BIT ADC
======== CONTENTS ========
GENERAL DESCRIPTION.......................................................................................................................................3
1.
2.
FEATURES....................................................................................................................................................................3
3.
APPLICATIONS..........................................................................................................................................................3
4.
BLOCK DIAGRAM.....................................................................................................................................................4
5.
PIN ASSIGNMENTS...................................................................................................................................................4
6.
FUNCTIONAL DESCRIPTIONS.............................................................................................................................5
6.1.
I
NTERFACE
F
ORMAT
..................................................................................................................................5
6.2.
C
HANNEL
S
ETTING
....................................................................................................................................7
6.3.
C
ONTROL
R
EGISTER
S
ETTING
...................................................................................................................7
6.4.
ADC R
EAD
T
IMING
..................................................................................................................................8
6.5.
T
IMING OF
D
IGITAL
I
NPUT
R
EADING
........................................................................................................9
6.6.
P
OWER
D
OWN
& C
HANNEL
W
AKE
-U
P
..................................................................................................10
6.7.
B
ANDGAP REFERENCE
.............................................................................................................................11
6.8.
I
NPUT
C
HANNEL
PAD (C
HANNEL
0~6).................................................................................................12
6.9.
B
ATTERY
M
ONITORING
(C
HANNEL
7
ONLY
).........................................................................................13
7.
ELECTRICAL CHARACTERISTICS..................................................................................................................14
8.
APPLICATION CIRCUITS.....................................................................................................................................15
9.
EXAMPLE PROGRAMS.........................................................................................................................................16
9.1.
P
ROGRAM
1: S
ET
C
ONFIGURATION OF
SNAD02C...............................................................................23
9.2.
P
ROGRAM
2: R
EAD
ADC
RESULT FROM
C
HANNEL
1...........................................................................23
9.3.
P
ROGRAM
3: R
EAD
D
IGITAL
I
NPUT DATA FROM
C
H
4, C
H
3, CH2.......................................................23
9.4.
P
ROGRAM
4: P
OWER
-
DOWN
SNAD02C
AND
H
OST
,
AND
W
AKE
-
UP
...................................................24
9.5.
P
ROGRAM
5: B
ATTERY
L
OW
D
ETECTION
..............................................................................................24
10.
PAD DIAGRAM...................................................................................................................................26
Version: 1.3
July 31, 2003
1