MAX1242 Datasheet, PDF (5/12 Pages) Maxim Integrated Products – +2.7V to %.25V, Low-Power, 10-Bit Serial ADCs in SO-8

+2.7V to +5.25V, Low-Power, 10-Bit
Serial ADCs in SO-8
__________________________________________Typical Operating Characteristics
(V_DD = +3.0V, V_REF = 2.5V, f_SCLK = 2.1MHz, C_LOAD = 20pF, T_A = +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
C_LOAD = 50pF
C_LOAD = 20pF
0.75
R_L = ∞
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
R_LOAD = ∞
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)
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)
SHUTDOWN CURRENT
vs. TEMPERATURE
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
-60
-20
20
60 100 140
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
vs. TEMPERATURE
0.30
V_DD = 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
V_DD = 5V
V_DD = 3.6V
2.498
V_DD = 2.7V
2.497
2.496
2.495
2.494
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
INTEGRAL NONLINEARITY
vs. CODE
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
0
256
512
768
1024
CODE
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