MAX1243 查看數據表（PDF） - Maxim Integrated
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MAX1243 Datasheet PDF : 13 Pages
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MAX1242/MAX1243
+2.7V to +5.25V, Low-Power, 10-Bit
Serial ADCs in SO-8
__________________________________________Typical Operating Characteristics
(VDD = +3.0V, VREF = 2.5V, fSCLK = 2.1MHz, CLOAD = 20pF, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
2.00
1.75 CLOAD = 20pF CLOAD = 50pF
1.50 MAX1242
1.25
MAX1243
1.00
CLOAD = 50pF
CLOAD = 20pF
0.75
RL = ∞
CODE = 1010101000
0.50
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. TEMPERATURE
1.3
1.2
MAX1242
1.1
1.0
MAX1243
0.9
RLOAD = ∞
CODE = 1010101000
0.8
-60 -20
20
60 100 140
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
0.30
0.25
0.20
0.15
0.10
MAX1242
0.05
MAX1243
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
Maxim Integrated
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
4.0
3.5 MAX1242/MAX1243
3.0
2.5
2.0
1.5
1.0
0.5
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
0.30
0.25
0.20
0.15
0.10
MAX1242
0.05
MAX1243
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
0.30
VDD = 2.7V
0.25
0.20
0.15
0.10
MAX1242
0.05
MAX1243
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
2.5015
2.5010
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX1242
2.5005
2.5000
2.4995
2.4990
2.4985
2.25
2.75
3.25
3.75
SUPPLY VOLTAGE (V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.501
2.500
2.499
MAX1242
VDD = 5V
2.498
VDD = 3.6V
VDD = 2.7V
2.497
2.496
2.495
2.494
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
0
INTEGRAL NONLINEARITY
vs. CODE
256
512
768
1024
CODE
5
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