Datasheet

MAX11638/MAX11639/MAX11642/MAX11643
8-Bit, 16-/8-Channel, 300ksps ADCs
with FIFO and Internal Reference
_______________________________________________________________________________________ 9
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.)
GAIN ERROR vs. TEMPERATURE
MAX11638 toc29
TEMPERATURE (°C)
GAIN ERROR (LSB)
603510-15
-0.1
0
0.1
0.2
-0.2
-40 85
MAX11639/MAX11643
-10
-6
-8
-2
-4
0
2
0426810
SAMPLING ERROR
vs. SOURCE IMPEDANCE
MAX11638 toc30
SOURCE IMPEDANCE (kΩ)
SAMPLING ERROR (LSB)
GAIN ERROR vs. SUPPLY VOLTAGE
MAX11638 toc27
V
DD
(V)
GAIN ERROR (LSB)
3.33.0
-0.10
0
0.10
0.20
-0.20
2.7 3.6
MAX11639/MAX11643
GAIN ERROR vs. TEMPERATURE
MAX11638 toc28
TEMPERATURE (°C)
GAIN ERROR (LSB)
603510-15
-0.4
-0.2
0
0.2
0.4
0.6
-0.6
-40 85
MAX11638/MAX11642
OFFSET ERROR vs. TEMPERATURE
MAX11638 toc24
TEMPERATURE (°C)
OFFSET ERROR (LSB)
603510-15
0.4
0.8
0
-40 85
MAX11638/MAX11642
OFFSET ERROR vs. TEMPERATURE
MAX11638 toc25
TEMPERATURE (°C)
OFFSET ERROR (LSB)
603510-15
0.5
0.6
0.7
0.8
0.4
-40 85
MAX11639/MAX11643
GAIN ERROR vs. SUPPLY VOLTAGE
MAX11638 toc26
V
DD
(V)
GAIN ERROR (LSB)
5.155.054.954.85
0
0.1
0.2
0.3
-0.1
4.75 5.25
MAX11638/MAX11642