MAX1248 Просмотр технического описания (PDF) - Maxim Integrated
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MAX1248 Datasheet PDF : 24 Pages
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+2.7V to +5.25V, Low-Power, 4-Channel,
Serial 10-Bit ADCs in QSOP-16
__________________________________________Typical Operating Characteristics
(VDD = 3.0V, VREF = 2.500V, fSCLK = 2.0MHz, CLOAD = 20pF, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
2.00
RL = ∞
CODE = 10101010
1.75
CLOAD = 50pF
CLOAD = 20pF
1.50 MAX1248
1.25
MAX1249
1.00
0.75
CLOAD = 50pF
CLOAD = 20pF
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
MAX1248
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
4.0
FULL POWER-DOWN
3.5
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
VDD (V)
SHUTDOWN CURRENT
vs. TEMPERATURE
2.0
1.6
1.1
1.2
1.0
MAX1249
0.9
RLOAD = ∞
CODE = 1010101000
0.8
-60 -20
20
60 100 140
TEMPERATURE (°C)
INTERGRAL NONLINEARITY
vs. SUPPLY VOLTAGE
0.30
0.25
0.20
0.15
0.10
MAX1248
0.05
MAX1249
00
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
0.8
0.4
0
-60 -20
20
60 100 140
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
0.30
VDD = 2.7V
0.25
0.20
0.15
0.10
MAX1248
0.05
MAX1249
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
2.5025
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
2.5000
2.4975
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.501
VDD = 5.25V
2.500
VDD = 3.6V
2.499
2.498
VDD = 2.7V
2.497
2.496
2.495
2.494
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
0.100
0.075
0.050
0.025
0
-0.025
-0.050
-0.075
-0.100
0
INTEGRAL NONLINEARITY
vs. CODE
256
512
768
1024
CODE
6 _______________________________________________________________________________________
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