MAX1492 Maxim, MAX1492 Datasheet - Page 6

• Manufacturer Part Number: MAX1492
• Description: 3.5- and 4.5-Digit / Single-Chip ADCs with LCD Drivers
• Manufacturer: Maxim

3.5- and 4.5-Digit, Single-Chip ADCs
with LCD Drivers
(AV
+25°C, unless otherwise noted.)
6
-0.02
-0.04
-0.08
-0.10
-0.06
0.08
0.06
0.04
-0.5
-1.0
0.02
1.0
0.5
700
600
500
400
300
200
100
DD
(±200mV INPUT RANGE) INL vs. OUTPUT CODE
_______________________________________________________________________________________
0
-20,000
0
0
2.75
2.75
= DV
GAIN ERROR vs. SUPPLY VOLTAGE
DIGITAL SUPPLY
ANALOG SUPPLY
3.25
DD
3.25
-10,000
vs. SUPPLY VOLTAGE
= 5V, GND = 0, external reference mode, REF+ = 2.048V, REF- = GND, RANGE bit = 1, internal clock mode, T
SUPPLY VOLTAGE (V)
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
OUTPUT CODE
3.75
3.75
MAX1494
MAX1494
0
4.25
4.25
10,000
4.75
4.75
20,000
5.25
5.25
-0.01
-0.06
-0.11
-0.16
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-0.07
-0.08
-0.09
-0.10
0.19
0.14
0.09
0.04
-0.5
-1.0
1.0
0.5
0
0
-20,000
2.75
(±2V INPUT RANGE) INL vs. OUTPUT CODE
0
OFFSET ERROR vs. SUPPLY VOLTAGE
GAIN ERROR vs. TEMPERATURE
10
3.25
-10,000
20
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
OUTPUT CODE
3.75
MAX1494
MAX1494
MAX1494
30
0
40
4.25
Typical Operating Characteristics
50
10,000
4.75
60
20,000
5.25
70
2.054
2.053
2.052
2.051
2.050
2.049
2.048
2.047
2.046
2.045
2.044
-0.1
-0.2
0.6
0.5
0.4
0.3
0.2
0.1
25
20
15
10
5
0
0
0
0
-0.2
OFFSET ERROR vs. TEMPERATURE
-0.1
INTERNAL REFERENCE VOLTAGE
10
10
0
NOISE DISTRIBUTION
20
0.1
vs. TEMPERATURE
20
TEMPERATURE (°C)
TEMPERATURE (°C)
0.2
NOISE (LSB)
MAX1494
30
30
0.3
0.4
40
40
0.5
0.6
50
50
0.7
60
0.8
60
A
70
70
=