Datasheet

Figure 13. Unipolar Single-Ended Input
Figure 14. Bipolar Single-Ended Input
V
REF
0V
0.5 x V
REF
R
+
-
R
S
R
S
C
S
COG
MAX11901
CNVST
DOUT
SCLK
DIN
AVDD DVDD OVDD
REFIN
REFVDD
AIN+
AIN-
DSP
SPI
INTERFACE
2.5V TO
V
REFVDD
-
0.2V
2.7V
TO
3.6V
1.8V
1.8V
1.5V TO
3.6V
R
REFGNDREF
DGND
AGND
10µF
V
REF
2
R
+
-
R
S
R
S
C
S
COG
MAX11901
CNVST
DOUT
SCLK
DIN
AVDD DVDD OVDD
REFIN
REFVDD
AIN+
AIN-
DSP
SPI
INTERFACE
2.5V TO
V
REFVDD
- 0.2V
2.7V
TO
3.6V
1.8V 1.8V
1.5V TO
3.6V
R
+2 x V
REF
0V
R
4R
R
+
-
4R
-2 x V
REF
V
REF
2
V
REF
2
REFGNDREF
DGND
AGND
10µF
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Maxim Integrated │ 25
MAX11901 16-Bit, 1.6Msps, Low-Power,
Fully Differential SAR ADC