MAX1202 Datasheet, PDF (7/24 Pages) Maxim Integrated Products – 5v, 8-cHANNEL, sERIAL, 12-bIT adcS WITH 3v dIGITAL iNTERFACE

5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
__________________________________________Typical Operating Characteristics
(V_DD = 5V ±5%; VL = 2.7V to 3.6V; V_SS = 0V; f_SCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle
(133ksps); MAX1202—4.7µF capacitor at REF pin; MAX1203—external reference, V_REF = 4.096V applied to REF pin; T_A = +25°C;
unless otherwise noted.)
SUPPLY CURRENT
SUPPLY CURRENT
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
vs. TEMPERATURE
vs. TEMPERATURE
2.0
3.0
6
REFADJ = GND
2.5
1.8
5 ^{FULL POWER-DOWN}
1.6
MAX1202
2.0
4
MAX1202
1.5
3
1.4
1.0
MAX1203
2
1.2
MAX1203
0.5
1
1.0
4.5 4.7 4.9 5.1 5.3 5.5
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
0.8
0
-60 -20 20
60 100 140
TEMPERATURE (°C)
OFFSET ERROR
vs. TEMPERATURE
2.0
0
-60 -20
20
60 100 140
TEMPERATURE (°C)
GAIN ERROR
vs. TEMPERATURE
5
0.7
1.5
0.6
1.0
0.5
0.5
4
3
2
1
DIFFERENTIAL
0.4
0
0.3
-0.5
0.2
-1.0
0.1
-1.5
0
SINGLE-ENDED
-1
-2
-3
-4
0
-60 -20
20
60 100 140
TEMPERATURE (°C)
-2.0
-60 -20
20
60 100 140
TEMPERATURE (°C)
-5
-60 -20
20
60 100 140
TEMPERATURE (°C)
CHANNEL-TO-CHANNEL OFFSET-ERROR
MATCHING vs. TEMPERATURE
3
2
CHANNEL-TO-CHANNEL GAIN-ERROR
MATCHING vs. TEMPERATURE
5
4
3
2
1
1
0
0
-1
-1
-2
-3
-2
-4
-3
-60 -20
20
60 100 140
TEMPERATURE (°C)
-5
-60 -20
20
60 100 140
TEMPERATURE (°C)
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