User guide

MAX1027/MAX1029/MAX1031
10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
_______________________________________________________________________________________ 7
2.510
2.506
2.502
2.498
2.490
-40 10-15 35 60 85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1027/29/31 toc11
TEMPERATURE (
°
C)
INTERNAL REFERENCE VOLTAGE (V)
2.494
0
0.2
0.1
0.4
0.3
0.5
0.6
2.7 3.0 3.3 3.6
OFFSET ERROR
vs. SUPPLY VOLTAGE
MAX1027/29/31 toc12
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
0
0.2
0.1
0.4
0.3
0.5
0.6
-40 10-15 35 60 85
OFFSET ERROR
vs. TEMPERATURE
MAX1027/29/31 toc13
TEMPERATURE (
°
C)
OFFSET ERROR (LSB)
-0.2
0
0.4
0.6
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1027/29/31 toc14
SUPPLY VOLTAGE (V)
GAIN ERROR (LSB)
2.7 3.6
3.33.0
0.2
0
0.4
0.5
GAIN ERROR vs. TEMPERATURE
MAX1027/29/31 toc15
TEMPERATURE (
°
C)
GAIN ERROR (LSB)
-40 -15 35 85
6010
0.1
0.3
0.2
Typical Operating Characteristics (continued)
(V
DD
= +3V, V
REF
= +2.5V, f
SCLK
= 4.8MHz, C
LOAD
= 30pF, T
A
= +25°C, unless otherwise noted.)
-1.0
-0.5
0
0.5
1.0
0426810
SAMPLING ERROR
vs. SOURCE IMPEDANCE
MAX1027/29/31 toc17
SOURCE IMPEDANCE (kΩ)
SAMPLING ERROR (LSB)
-1.00
-0.50
-0.75
0.50
0
0.75
1.00
-40 10-15 35 60 85
TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
MAX1027/29/31 toc16
TEMPERATURE (°C)
TEMPERATURE SENSOR ERROR (LSB)
0.25
-0.25
GRADE A
GRADE B