
MAX1284/MAX1285
400ksps/300ksps, Single-Supply, Low-Power,
Serial 12-Bit ADCs with Internal Reference
6
_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(MAX1284: VDD = +5.0V, fSCLK = 6.4MHz, MAX1285: VDD = +3.0V, fSCLK = 4.8MHz; CLOAD = 20pF, 4.7F capacitor at REF,
TA = +25°C, unless otherwise noted.)
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
01k
2k
3k
5k
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1284/5
toc01
DIGITAL OUTPUT CODE
INL
(LSB)
4k
-0.4
-0.1
-0.2
-0.3
0
0.1
0.2
0.3
0.4
0.5
0.6
02k
1k
3k
4k
5k
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1284/5
toc02
DIGITAL OUTPUT CODE
DNL
(LSB)
-1.0
0
-0.5
1.0
0.5
1.5
2.0
2.5
4.0
4.5
3.0
3.5
5.0
5.5
6.0
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX1284/5
toc03
VDD (V)
OFFSET
ERROR
(LSB)
0
0.4
0.2
1.0
0.8
0.6
1.6
1.4
1.2
1.8
-40
0
20
-20
40
60
80
100
OFFSET ERROR vs. TEMPERATURE
MAX1284/5
toc04
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
2.490
2.496
2.494
2.492
2.498
2.500
2.502
2.504
2.506
2.508
2.510
2.5
3.5
3.0
4.0
4.5
5.0
5.5
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX1284/5
toc07
SUPPLY VOLTAGE (V)
REFERENCE
VOLTAGE
(V)
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
2.5
3.5
3.0
4.0
4.5
5.0
5.5
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1284/5
toc05
VDD (V)
GAIN
ERROR
(LSB)
-2.5
-1.5
-2.0
-0.5
-1.0
0.5
0
1.0
-40
0
20
-20
40
60
80
100
GAIN ERROR vs. TEMPERATURE
MAX1284/5
toc06
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)
2.490
2.496
2.494
2.492
2.500
2.498
2.508
2.506
2.504
2.502
2.510
-40
-20
0
20
40
60
80
100
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1284/5
toc08
TEMPERATURE (
°C)
REFERENCE
VOLTAGE
(V)