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| MAX1246 Datasheet, PDF (7/24 Pages) Maxim Integrated Products – +2.7V, Low-Power, 4-Channel, Serial 12-Bit ADCs in QSOP-16 | |||
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+2.7V, Low-Power, 4-Channel,
Serial 12-Bit ADCs in QSOP-16
____________________________Typical Operating Characteristics (continued)
(VDD = 3.0V, VREF = 2.500V, fSCLK = 2.0MHz, CLOAD = 20pF, TA = +25°C, unless otherwise noted.)
OFFSET vs. SUPPLY VOLTAGE
0.50
0.45
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 4.25 4.75 5.25
VDD (V)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
2.25
GAIN ERROR
vs. SUPPLY VOLTAGE
2.75 3.25 3.75 4.25 4.75 5.25
VDD (V)
CHANNEL-TO-CHANNEL GAIN MATCHING
vs. SUPPLY VOLTAGE
0.50
0.45
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 4.25 4.75 5.25
VDD (V)
OFFSET vs. TEMPERATURE
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-55 -30 -5 20 45 70 95 120 145
TEMPERATURE (ËC)
GAIN ERROR
vs. TEMPERATURE
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-55 -30 -5 20 45 70 95 120 145
TEMPERATURE (ËC)
CHANNEL-TO-CHANNEL GAIN MATCHING
vs. TEMPERATURE
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-55 -30 -5 20 45 70 95 120 145
TEMPERATURE (ËC)
CHANNEL-TO-CHANNEL OFFSET MATCHING
vs. SUPPLY VOLTAGE
0.50
0.45
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 4.25 4.75 5.25
VDD (V)
CHANNEL-TO-CHANNEL OFFSET MATCHING
vs. TEMPERATURE
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-55 -30 -5 20 45 70 95 120 145
TEMPERATURE (ËC)
_______________________________________________________________________________________ 7
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