MAX1226 Datasheet, PDF (7/24 Pages) Maxim Integrated Products – 12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference

12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
Typical Operating Characteristics (continued)
(V_DD = +5V, V_REF = +4.096V, f_SCLK = 4.8MHz, C_LOAD = 30pF, T_A = +25°C, unless otherwise noted.)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
4.051
4.050
4.049
OFFSET ERROR
vs. SUPPLY VOLTAGE
0.3
0.2
0.1
0
OFFSET ERROR
vs. TEMPERATURE
0.3
0.2
0.1
0
-0.1
-0.1
4.048
-0.2
-0.2
4.047
-40 -15 10
35
60
85
TEMPERATURE (°C)
-0.3
4.75 4.85 4.95 5.05 5.15 5.25
SUPPLY VOLTAGE (V)
-0.3
-40 -15
10
35
60
85
TEMPERATURE (°C)
GAIN ERROR vs. SUPPLY VOLTAGE
0.5
GAIN ERROR vs. TEMPERATURE
0.5
0
0
-0.5
-0.5
-1.0
-1.0
-1.5
4.75 4.85 4.95 5.05 5.15 5.25
SUPPLY VOLTAGE (V)
TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
1.00
0.75
0.50
GRADE A
0.25
0
-0.25
-0.50
GRADE B
-0.75
-1.00
-40 -15 10
35
60
85
TEMPERATURE (°C)
-1.5
-40 -15 10
35
60
85
TEMPERATURE (°C)
SAMPLING ERROR
vs. SOURCE IMPEDANCE
2
0
-2
-4
-6
-8
-10
0
2
4
6
8
10
SOURCE IMPEDANCE (kΩ)
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