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Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - display driver LCD 7 segments, 2 flag indicators A/D 4.5 numbers Seriell 960 µA LQFP
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MAX1492/MAX1494
3.5- and 4.5-Digit, Single-Chip ADCs
with LCD Drivers
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
AVDD
= V
DVDD
= 5V, V
GND
= 0V, external reference mode, REF+ = 2.048V, REF- = GND, RANGE bit = 1, internal clock mode, T
A
=
+25°C, unless otherwise noted.)
MAX1494
(±200mV INPUT RANGE) INL vs. OUTPUT CODE
MAX1492/94 toc01
OUTPUT CODE
INL (COUNTS)
10,0000-10,000
-0.5
0
0.5
1.0
-1.0
-20,000 20,000
MAX1494
(±2V INPUT RANGE) INL vs. OUTPUT CODE
MAX1492/94 toc02
OUTPUT CODE
INL (COUNTS)
10,0000-10,000
-0.5
0
0.5
1.0
-1.0
-20,000 20,000
NOISE DISTRIBUTION
MAX1492/94 toc03
NOISE (LSB)
PERCENTAGE OF UNITS (%)
0.80.70.60.50.40.30.20.10-0.1
5
10
15
20
25
0
-0.2
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1492/94 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
4.754.253.753.25
100
200
300
400
500
600
700
0
2.75 5.25
ANALOG SUPPLY
DIGITAL SUPPLY
MAX1494
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX1492/94 toc05
SUPPLY VOLTAGE (V)
OFFSET ERROR (LSB)
4.754.253.753.25
-0.11
-0.06
-0.01
0.04
0.09
0.14
0.19
-0.16
2.75 5.25
MAX1494
OFFSET ERROR vs. TEMPERATURE
MAX1492/94 toc06
TEMPERATURE (°C)
OFFSET ERROR (LSB)
605010 20 30 40
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
-0.2
070
MAX1494
GAIN ERROR vs. SUPPLY VOLTAGE
MAX1492/94 toc07
SUPPLY VOLTAGE (V)
GAIN ERROR (% FULL SCALE)
4.754.253.25 3.75
-0.08
-0.04
-0.06
-0.02
0
0.02
0.04
0.06
0.08
-0.10
2.75 5.25
MAX1494
GAIN ERROR vs. TEMPERATURE
MAX1492/94 toc08
TEMPERATURE (°C)
GAIN ERROR (% FULL SCALE)
605030 402010
-0.09
-0.08
-0.07
-0.06
-0.05
-0.04
-0.03
-0.02
-0.01
0
-0.10
070