MAX1240_10 Datasheet, PDF (6/15 Pages) Maxim Integrated Products – +2.7V, Low-Power, 12-Bit Serial ADCs in 8-Pin SO

+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
____________________________Typical Operating Characteristics (continued)
(V_DD = 3.0V, V_REF = 2.5V, f_SCLK = 2.1MHz, C_L = 20pF, T_A = +25°C, unless otherwise noted.)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-60 -20
20
60 100 140
TEMPERATURE (°C)
OFFSET ERROR vs. TEMPERATURE
0.8
V_DD = 2.7V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-55 -30 -5 20 45 70 95 120 145
TEMPERATURE (°C)
GAIN ERROR
vs. SUPPLY VOLTAGE
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
MAX1240
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.501
2.500
2.499
2.498
V_DD = 3.6V
V_DD = 2.7V
2.497
2.496
2.495
2.494
-60 -20
20
60 100 140
TEMPERATURE (°C)
GAIN ERROR
vs. TEMPERATURE
0.8
V_DD = 2.7V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-55 -30 -5 20 45 70 95 120 145
TEMPERATURE (°C)
2.5020
MAX1240
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
2.5015
2.5010
2.5005
2.5000
2.4995
2.4990
2.25 2.75 3.25 3.75 4.25 4.75 5.25
V_DD (V)
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
1.2
1.0
0.8
0.6
0.4
MAX1240
0.2
MAX1241
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
1.2
V_DD = 2.7V
1.0
0.8
0.6
0.4
MAX1240
0.2
MAX1241
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
6 _______________________________________________________________________________________