Rainbow Electronics MAX1231 - Manual (Page 7)

MAX1227/MAX1229/MAX1231
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
_______________________________________________________________________________________ 7
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
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.)
-1.00
-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 A
GRADE B
-5
-3
-4
-1
-2
0
1
0 4 2 6 8 10
SAMPLING ERROR
vs. SOURCE IMPEDANCE
MAX1227/29/31 toc17
SOURCE IMPEDANCE (k Ω)
SAMPLING ERROR (LSB)