+2.7V, Low-Power, 4-Channel,
Serial 12-Bit ADCs in QSOP-16
MAX1246/MAX1247
____________________________Typical Operating Characteristics (continued)
(V
DD
= 3V, VREF = 2.5V, f
SCLK
= 2MHz, C
LOAD
= 20pF, T
A
= +25°C, unless otherwise noted.)
OFFSET vs. SUPPLY VOLTAGE
MAX1247-12
GAIN ERROR
vs. SUPPLY VOLTAGE
MAX1247-13
CHANNEL-TO-CHANNEL GAIN MATCHING
vs. SUPPLY VOLTAGE
0.45
0.40
GAIN MATCHING (LSB)
0.35
0.30
0.25
0.20
0.15
0.10
0.05
MAX1247-14
0.50
0.45
0.40
0.50
0.45
0.40
GAIN ERROR (LSB)
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.50
0.35
OFFSET (LSB)
0.30
0.25
0.20
0.15
0.10
0.05
0
2.25
2.75
3.25
3.75 4.25
V
DD
(V)
4.75
5.25
0
2.25
2.75
3.25
3.75
V
DD
(V)
4.25
4.75
5.25
0
2.25
2.75
3.25
3.75
V
DD
(V)
4.25
4.75
5.25
OFFSET vs. TEMPERATURE
MAX1247-15
GAIN ERROR
vs. TEMPERATURE
MAX1247-16
CHANNEL-TO-CHANNEL GAIN MATCHING
vs. TEMPERATURE
0.45
0.40
GAIN MATCHING (LSB)
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
MAX1247-17
0.50
0.45
0.40
0.50
0.45
0.40
GAIN ERROR (LSB)
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0.50
0.35
OFFSET (LSB)
0.30
0.25
0.20
0.15
0.10
0.05
0
-55
-30
-5
20
45
70
95
120 145
-55
-30
-5
TEMPERATURE (˚C)
20 45 70 95
TEMPERATURE (˚C)
120 145
-55
-30
-5
20 45 70 95
TEMPERATURE (˚C)
120 145
CHANNEL-TO-CHANNEL OFFSET MATCHING
vs. SUPPLY VOLTAGE
MAX1247-18
CHANNEL-TO-CHANNEL OFFSET MATCHING
vs. TEMPERATURE
0.45
OFFSET MATCHING (LSB)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
MAX1247-19
0.50
0.45
OFFSET MATCHING (LSB)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
2.25
2.75
3.25
3.75
V
DD
(V)
4.25
4.75
0.50
5.25
0
-55
-30
-5
20 45 70 95
TEMPERATURE (˚C)
120 145
8
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
