Datasheet

MAX1447/MAX1496/MAX1498
3.5- and 4.5-Digit, Single-Chip ADCs
with LED Drivers
6 _______________________________________________________________________________________
Typical Operating Characteristics
(AV
DD
= DV
DD
= V
DD
= V
LED
= +2.7V to +5.25V, GND = 0, GLED = 0, external reference mode, REF+ = 2.048V, REF- = GND,
RANGE = 1, internal clock mode, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (MAX1447/MAX1498)
MAX1447/96/98 toc01
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
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (MAX1496)
MAX1447/96/98 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
4.744.233.723.21
450
500
550
600
650
700
400
2.70 5.25
SUPPLY CURRENT
vs. TEMPERATURE (MAX1447/MAX1498)
MAX1447/96/98 toc03
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
605040302010
100
200
300
400
500
600
700
0
070
ANALOG SUPPLY
DIGITAL SUPPLY
SUPPLY CURRENT
vs. TEMPERATURE (MAX1496)
MAX1447/96/98 toc04
TEMPERATURE (
°
C)
SUPPLY CURRENT (µA)
6035-15 10
610
640
630
620
650
660
670
680
690
700
600
-40 85
SHUTDOWN CURRENT
vs. TEMPERATURE (MAX1447/MAX1498)
MAX1447/96/98 toc05
TEMPERATURE (°C)
SHUTDOWN CURRENT (µA)
605040302010
50
100
150
200
250
300
0
070
ANALOG SUPPLY
DIGITAL SUPPLY
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE (MAX1447/MAX1498)
MAX1447/96/98 toc07
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (µA)
4.754.253.753.25
50
100
150
200
250
300
0
2.75 5.25
ANALOG SUPPLY
DIGITAL SUPPLY
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE (MAX1496)
MAX1447/96/98 toc08
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (µA)
4.744.233.723.21
50
150
100
200
250
300
350
0
2.70 5.25
OFFSET ERROR vs. SUPPLY VOLTAGE
(MAX1447/MAX1498)
MAX1447/96/98 toc09
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
SHUTDOWN CURRENT
vs. TEMPERATURE (MAX1496)
MAX1447/96/98 toc06
TEMPERATURE (
°
C)
SHUTDOWN CURRENT (µA)
6035-15 10
50
150
100
200
250
300
350
0
-40 85