MAX11644 Datasheet, PDF (20/21 Pages) Maxim Integrated Products – 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 1-/2-Channel, 2-Wire Serial, 12-Bit ADCs

2.7V to 3.6V and 4.5V to 5.5V, Low-Power,
1-/2-Channel, 2-Wire Serial, 12-Bit ADCs
Typical Operating Circuit
3.3V or 5V
0.1µF
ANALOG
INPUTS
RC NETWORK* 2kΩ
C_REF
0.1µF
V_DD
AIN0
R_S*
AIN1 ^MAX11644
SDA
MAX11645 _SCL
R_S*
REF
GND
5V
R_P
5V
R_P
µC
SDA
SCL
Selector Guide
PART
INPUT
CHANNELS
INTERNAL
REFERENCE
(V)
SUPPLY
VOLTAGE
(V)
INL
(LSB)
MAX11644
2 single-
ended/1
differential
4.096
4.5 to 5.5 ±1
MAX11645
2 single-
ended/1
differential
2.048
2.7 to 3.6 ±1
*OPTIONAL
PROCESS: BiCMOS
Chip Information
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in
the package code indicates RoHS status only. Package draw-
ings may show a different suffix character, but the drawing per-
tains to the package regardless of RoHS status.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
8 µMAX
U8CN+1
21-0036
20 ______________________________________________________________________________________