Datasheet

MAX11638/MAX11639/MAX11642/MAX11643
8-Bit, 16-/8-Channel, 300ksps ADCs
with FIFO and Internal Reference
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= 3V and V
REF
= 2.5V (MAX11639/MAX11643), V
DD
= 5V and V
REF
= 4.096V (MAX11638/MAX11642), f
SCLK
= 4.8MHz,
C
LOAD
= 30pF, f
SAMPLE
= 300ksps, T
A
= +25°C, unless otherwise noted.)
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX11638 toc22
V
DD
(V)
OFFSET ERROR (LSB)
5.155.054.954.85
0.2
0.4
0.6
0.8
0
4.75 5.25
MAX11638/MAX11642
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX11638 toc23
V
DD
(V)
OFFSET ERROR (LSB)
3.33.0
0.40
0.50
0.60
0.70
0.30
2.7 3.6
MAX11639/MAX11643
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11638 toc18
V
DD
(V)
V
REF
(V)
5.155.054.954.85
4.095
4.096
4.097
4.098
4.099
4.094
4.75 5.25
MAX11638/MAX11642
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11638 toc19
V
DD
(V)
V
REF
(V)
3.33.0
2.498
2.499
2.500
MAX11639/MAX11643
2.501
2.502
2.497
2.7 3.6
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11638 toc20
TEMPERATURE (°C)
V
REF
(V)
603510-15
4.08
4.09
4.10
4.11
MAX11638/MAX11642
4.12
4.07
-40 85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11638 toc21
TEMPERATURE (°C)
V
REF
(V)
603510-15
2.480
2.490
2.500
2.510
MAX11639/MAX11643
2.520
2.470
-40 85