MAX1284-MAX1285 Datasheet, PDF (6/15 Pages) Maxim Integrated Products – 400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference

400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
__________________________________________Typical Operating Characteristics
(MAX1284: V_DD = +5.0V, f_SCLK = 6.4MHz, MAX1285: V_DD = +3.0V, f_SCLK = 4.8MHz; C_LOAD = 20pF, 4.7µF capacitor at REF,
T_A = +25°C, unless otherwise noted.)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
1k
2k
3k
4k
5k
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
1k
2k
3k
4k
5k
DIGITAL OUTPUT CODE
OFFSET ERROR vs. SUPPLY VOLTAGE
2.0
1.5
1.0
0.5
0
-0.5
-1.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_DD (V)
OFFSET ERROR vs. TEMPERATURE
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
GAIN ERROR vs. SUPPLY VOLTAGE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_DD (V)
GAIN ERROR vs. TEMPERATURE
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
2.510
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.510
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
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