MAX1108 Datasheet, PDF (8/20 Pages) Maxim Integrated Products – Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs

Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
Typical Operating Characteristics (continued)
(V_DD = +3.0V (MAX1108), V_DD = +5.0V (MAX1109); external conversion mode; f_SCLK = 500kHz; 50ksps; external reference; 1µF at
REF; T_A = +25°C; unless otherwise noted.)
OFFSET ERROR vs. SUPPLY VOLTAGE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
OFFSET ERROR vs. TEMPERATURE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
OFFSET ERROR vs. REFERENCE VOLTAGE
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
-0.20
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE VOLTAGE (V)
GAIN ERROR vs. SUPPLY VOLTAGE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
GAIN ERROR vs. TEMPERATURE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
GAIN ERROR vs. REFERENCE VOLTAGE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE VOLTAGE (V)
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
DIFFERENTIAL NONLINEARITY
vs. CODE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
50 100 150 200 250 300
DIGITAL CODE
DIFFERENTIAL NONLINEARITY
vs. SUPPLY VOLTAGE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
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