Rainbow Electronics MAX1109 - Manual (Page 8)

MAX1108/MAX1109
Single-Supply, Low-Power,
2-Channel, Serial 8-Bit ADCs
8 _______________________________________________________________________________________
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.)
0.5
-0.5
2.5 5.5
OFFSET ERROR vs. SUPPLY VOLTAGE
-0.3
-0.4
0.4
0.3 MAX1108/09-04
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
3.0 3.5 4.0 4.5 5.0
0.2
0.1
0
-0.1
-0.2
0.5
-0.5
-40 100
OFFSET ERROR vs. TEMPERATURE
-0.3
-0.4
0.4
0.3 MAX1108/09-05
TEMPERATURE (°C)
OFFSET ERROR (LSB)
-20 0 20 40 60 80
0.2
0.1
0
-0.1
-0.2
0.20
-0.20
0 5.0
OFFSET ERROR vs. REFERENCE VOLTAGE
-0.10
-0.15
0.15
0.10
MAX1108/09-06
REFERENCE VOLTAGE (V)
OFFSET ERROR (LSB)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
0.05
0
-0.05
0.5
-0.5
2.5 5.5
GAIN ERROR vs. SUPPLY VOLTAGE
-0.3
-0.4
0.4
0.3 MAX1108/09-07
SUPPLY VOLTAGE (V)
GAIN ERROR (LSB)
3.0 3.5 4.0 4.5 5.0
0.2
0.1
0
-0.1
-0.2
0.3
-0.3
2.5 5.5
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
-0.1
-0.2
0.2
MAX1108/09-10
SUPPLY VOLTAGE (V)
INL (LSB)
3.0 3.5 4.0 4.5 5.0
0.1
0
1.0
-1.0
-40 100
GAIN ERROR vs. TEMPERATURE
-0.6
-0.8
0.8
0.6 MAX1108/09-08
TEMPERATURE (°C)
GAIN ERROR (LSB)
-20 0 20 40 60 80
0.4
0.2
0
-0.2
-0.4
1.0
-1.0
0 5.0
GAIN ERROR vs. REFERENCE VOLTAGE
-0.4
-0.6
-0.8
0.8
0.6 MAX1108/09-09
REFERENCE VOLTAGE (V)
GAIN ERROR (LSB)
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
0.4
0
0.2
-0.2
0.5
-0.5
0 300
DIFFERENTIAL NONLINEARITY
vs. CODE
-0.1
0
-0.3
-0.4
-0.2
0.4
0.3 MAX1108/09-11
DIGITAL CODE
DNL (LSB)
50 100 150 200 250
0.1
0.2
0.5
-0.5
2.5 5.5
DIFFERENTIAL NONLINEARITY
vs. SUPPLY VOLTAGE
-0.2
-0.3
-0.4
0.4
0.3 MAX1108/09-12
SUPPLY VOLTAGE (V)
DNL (LSB)
3.0 3.5 4.0 4.5 5.0
0.2
0.1
0
-0.1