
MAX1227/MAX1229/MAX1231
2.510
2.506
2.502
2.498
2.494
2.490
-40
10
-15
35
60
85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1227/29/31
toc11
TEMPERATURE (
°C)
INTERNAL
REFERENCE
VOLTAGE
(V)
-0.3
-0.1
-0.2
0.1
0
0.2
0.3
2.7
3.0
3.3
3.6
OFFSET ERROR
vs. SUPPLY VOLTAGE
MAX1227/29/31
toc12
SUPPLY VOLTAGE (V)
OFFSET
ERROR
(LSB)
-0.3
0
-0.1
-0.2
0.2
0.1
0.3
0.4
-40
10
-15
35
60
85
OFFSET ERROR
vs. TEMPERATURE
MAX1227/29/31
toc13
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
0
1.0
0.5
1.5
2.0
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1227/29/31
toc14
SUPPLY VOLTAGE (V)
GAIN
ERROR
(LSB)
2.7
3.6
3.3
3.0
0
0.5
1.5
1.0
2.0
GAIN ERROR vs. TEMPERATURE
MAX1227/29/31
toc15
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)
-40
-15
35
85
60
10
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(VDD = +3V, VREF = +2.5V, fSCLK = 4.8MHz, CLOAD = 30pF, TA = +25°C, unless otherwise noted.)
-1.00
-0.50
0.50
0.25
-0.25
-0.75
0
1.00
0.75
TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
MAX1227/29/31
toc16
TEMPERATURE (
°C)
TEMPERATURE
SENSOR
ERROR
(°
C)
-40
-15
35
85
60
10
GRADE B
-5
-3
-4
-1
-2
0
1
04
26
8
10
SAMPLING ERROR
vs. SOURCE IMPEDANCE
MAX1227/29/31
toc17
SOURCE IMPEDANCE (k
)
SAMPLING
ERROR
(LSB)