Datasheet

MAX11638/MAX11639/MAX11642/MAX11643
8-Bit, 16-/8-Channel, 300ksps ADCs
with FIFO and Internal Reference
_______________________________________________________________________________________ 7
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX11638 toc11
V
DD
(V)
I
DD
(µA)
3.53.43.2 3.32.9 3.0 3.12.8
200
400
600
800
1000
1200
1400
1600
1800
2000
0
2.7 3.6
MAX11639/MAX11643
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX11638 toc12
V
DD
(V)
I
DD
(µA)
5.205.154.80 4.85 4.90 5.00 5.054.95 5.10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
4.75 5.25
MAX11638/MAX11642
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX11638 toc13
V
DD
(V)
I
DD
(µA)
3.53.43.33.23.13.02.92.8
0.1
0.2
0.3
0.4
0.5
0
2.7 3.6
MAX11639/MAX11643
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX11638 toc16
TEMPERATURE (°C)
I
DD
(µA)
603510-15
0.5
1.0
1.5
2.0
2.5
0
-40 85
MAX11638/MAX11642
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX11638 toc17
TEMPERATURE (°C)
I
DD
(µA)
603510-15
0.2
0.4
0.6
0.8
1.0
0
-40 85
MAX11639/MAX11643
SUPPLY CURRENT vs. TEMPERATURE
MAX11638 toc14
TEMPERATURE (°C)
I
DD
(µA)
603510-15
1300
1600
1900
2200
2500
1000
-40 85
MAX11638/MAX11642
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
SUPPLY CURRENT vs. TEMPERATURE
MAX11638 toc15
TEMPERATURE (°C)
I
DD
(µA)
603510-15
800
1000
1200
1400
1600
1800
600
-40 85
MAX11639/MAX11643
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
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.)