Datasheet

MAX1245
+2.375V, Low-Power, 8-Channel,
Serial 12-Bit ADC
_______________________________________________________________________________________ 5
0.50
0
-55 -30 45
INTEGRAL NONLINEARITY
vs. TEMPERATURE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
TEMPERATURE (˚C)
INL (LSB)
20-5 70 95 145120
MAX1245-04
V
DD
= 2.375V
0.50
0
OFFSET vs. SUPPLY VOLTAGE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
V
DD
(V)
OFFSET (LSB)
MAX1245-05
2.375
2.875
3.375
3.1252.625
0.50
0
-55 -30
45
OFFSET vs. TEMPERATURE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
TEMPERATURE (˚C)
OFFSET (LSB)
20-5 70 14512095
MAX1245-06
0.50
0
CHANNEL-TO-CHANNEL OFFSET MATCHING
vs. SUPPLY VOLTAGE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
V
DD
(V)
OFFSET MATCHING (LSB)
MAX1245-07
2.375
2.875
3.375
3.1252.625
0.50
0
-55
-30 20
GAIN ERROR
vs. TEMPERATURE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
TEMPERATURE (˚C)
GAIN ERROR (LSB)
-5 45 120
145
95
70
MAX1245-10
0.50
0
-55
-30 45
CHANNEL-TO-CHANNEL OFFSET MATCHING
vs. TEMPERATURE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
TEMPERATURE (˚C)
OFFSET MATCHING (LSB)
20
-5
70
145120
95
MAX1245-08
0.50
0
GAIN ERROR
vs. SUPPLY VOLTAGE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
V
DD
(V)
GAIN ERROR (LSB)
MAX1245-09
2.375 2.875 3.3753.1252.625
0.50
0
CHANNEL-TO-CHANNEL GAIN MATCHING
vs. SUPPLY VOLTAGE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
V
DD
(V)
GAIN MATCHING (LSB)
MAX1245-11
2.375
2.875
3.3753.125
2.625
0.50
0
-55
-30
20
CHANNEL-TO-CHANNEL GAIN MATCHING
vs. TEMPERATURE
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
TEMPERATURE (˚C)
GAIN MATCHING (LSB)
-5 45
1451209570
MAX1245-12
____________________________Typical Operating Characteristics (continued)
(V
DD
= 2.5V, VREF = 2.048V, f
CLK
= 1.5MHz, C
LOAD
= 20pF, T
A
= +25°C, unless otherwise noted.)