Datasheet

MAX1136–MAX1139
2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
4-/12-Channel, 2-Wire Serial 10-Bit ADCs
______________________________________________________________________________________ 21
*OPTIONAL
**AIN11/REF (MAX1138/MAX1139)
*R
S
*R
S
ANALOG
INPUTS
RC NETWORK*
µC
SDA
SCL
GND
V
DD
SDA
SCL
AIN0
AIN1
AIN3/REF**
3.3V OR 5V
2kΩ
0.1µF
0.1µF
5V
R
P
C
REF
R
P
5V
MAX1136
MAX1137
MAX1138
MAX1139
Typical Operating Circuit
SDA
SCLAIN3/REF
1
+
+
2
8
7
V
DD
GNDAIN1
AIN2
AIN0
µMAX
TOP VIEW
3
4
6
5
MAX1136
MAX1137
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
AIN0 AIN8
AIN9
AIN10
AIN11/REF
V
DD
GND
SDA
SCL
MAX1138
MAX1139
QSOP
AIN1
AIN2
AIN5
AIN3
AIN4
AIN6
AIN7
Pin Configurations
Chip Information
PROCESS: BiCMOS
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
8 µMAX U8+1
21-0036
16 QSOP E16+4
21-0055
Package Information
For the latest package outline information and land patterns
(footprints), go to www.maxim-ic.com/packages
. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.