
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
_______________________________________________________________________________________
7
1.0
2.0
1.8
1.6
1.4
1.2
4.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1202
TOC01
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.3
4.7
5.1
5.5
4.9
MAX1202
MAX1203
0
-60
SUPPLY CURRENT
vs. TEMPERATURE
0.5
MAX1202
TOC02
TEMPERATURE (°C)
SUPPLY
CURRENT
(mA)
100
2.0
1.0
1.5
-20
60
140
3.0
2.5
20
MAX1202
MAX1203
6
5
0
-60
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
4
MAX1202
TOC03
TEMPERATURE (
°C)
SHUTDOWN
SUPPLY
CURRENT
(
A)
60
2
1
-20
20
3
100
140
REFADJ = GND
FULL POWER-DOWN
0.8
0.6
0.7
0.5
0
-60
INTEGRAL NONLINEARITY
vs. TEMPERATURE
0.4
MAX1202
TOC04
TEMPERATURE (
°C)
INL
(LSB)
60
0.2
0.1
-20
20
0.3
100
140
3
2
-3
-60
CHANNEL-TO-CHANNEL OFFSET-ERROR
MATCHING vs. TEMPERATURE
1
MAX1202
TOC07
TEMPERATURE (
°C)
OFFSET-ERROR
MATCHING
(LSB)
60
-1
-2
-20
20
0
100
140
2.0
1.0
1.5
0.5
-2.0
-60
OFFSET ERROR
vs. TEMPERATURE
0
MAX1202
TOC05
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
60
-1.0
-1.5
-20
20
-0.5
100
140
5
3
4
1
2
0
-5
-60
GAIN ERROR
vs. TEMPERATURE
-1
MAX1202
TOC06
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)
60
-3
-4
-20
20
-2
100
140
DIFFERENTIAL
SINGLE-ENDED
5
3
4
1
2
0
-5
-60
CHANNEL-TO-CHANNEL GAIN-ERROR
MATCHING vs. TEMPERATURE
-1
MAX1202
TOC08
TEMPERATURE (
°C)
GAIN-ERROR
MATCHING
(LSB)
60
-3
-4
-20
20
-2
100
140
__________________________________________Typical Operating Characteristics
(VDD = 5V ±5%; VL = 2.7V to 3.6V; VSS = 0V; fSCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle
(133ksps); MAX1202—4.7F capacitor at REF pin; MAX1203—external reference, VREF = 4.096V applied to REF pin; TA = +25°C;
unless otherwise noted.)