MAX1272 Datasheet, PDF (6/20 Pages) Maxim Integrated Products – Fault-Protected, 12-Bit ADCs with Software-Selectable Input Range

Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
Typical Operating Characteristics (continued)
(Typical operating circuit, BIP = RNG = 1, V_DD = 5V, external reference mode, V_REF = 4.096V, C_REF = 1.0µF, f_SCLK = 1.4MHz,
50% duty cycle, 87ksps, T_A = +25°C, unless otherwise noted.)
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.0
V_AIN = 0
0.9
0.8
0.7
0.6
0.5 ^INTERNAL
REFERENCE
0.4
0.3
0.2
0.1
EXTERNAL
REFERENCE
0
4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25
SUPPLY VOLTAGE (V)
FULL POWER-DOWN
SUPPLY CURRENT vs. TEMPERATURE
10
9
V_AIN = 0
8
7
6
5
4
3
2
INTERNAL/EXTERNAL
REFERENCE
1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
FULL POWER-DOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
V_AIN = 0
9
8
7
6
5
4
3
2
INTERNAL/EXTERNAL
REFERENCE
1
0
4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25
SUPPLY VOLTAGE (V)
1.0005
NORMALIZED INTERNAL REFERENCE
VOLTAGE vs. TEMPERATURE
1.0000
0.9995
0.9990
0.9985
0.9980
0.9975
0.9970
0.9965
0.9960
-40 -15
10
35
60
85
TEMPERATURE (°C)
1.0010
NORMALIZED INTERNAL REFERENCE
VOLTAGE vs. SUPPLY VOLTAGE
1.0008
1.0006
1.0004
1.0002
1.0000
0.9998
0.9996
0.9994
0.9992
0.9990
4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25
SUPPLY VOLTAGE (V)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DNL vs. CODE
512 1024 1536 2048 2560 3072 3584 4096
CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
INL vs. CODE
512 1024 1536 2048 2560 3072 3584 4096
CODE
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