Datasheet
(V
DD
= 5V ±5%; V
L
= 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 other-
wise noted.)
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 (ºC)
SHUTDOWN SUPPLY CURRENT (mA)
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 (ºC)
INL (LSB)
60
0.2
0.1
-20 20
0.3
100
140
2.0
1.0
1.5
0.5
-2.0
-60
OFFSET ERROR
vs. TEMPERATURE
0
MAX1202 toc05
TEMPERATURE (ºC)
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 (ºC)
GAIN ERROR (LSB)
60
-3
-4
-20 20
-2
100
140
DIFFERENTIAL
SINGLE-ENDED
3
2
-3
-60
CHANNEL-TO-CHANNEL OFFSET-ERROR
MATCHING vs. TEMPERATURE
1
MAX1202 TOC07
TEMPERATURE (ºC)
OFFSET-ERROR MATCHING (LSB)
60
-1
-2
-20 20
0
100
140
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)
5.34.7 5.1 5.54.9
MAX1202
MAX1203
5
3
4
1
2
0
-5
-60
CHANNEL-TO-CHANNEL GAIN-ERROR
MATCHING vs. TEMPERATURE
-1
MAX1202 toc08
TEMPERATURE (ºC)
GAIN-ERROR MATCHING (LSB)
60
-3
-4
-20 20
-2
100
140
MAX1202/MAX1203 5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
Maxim Integrated
│
7
www.maximintegrated.com
Typical Operating Characteristics