Typical operating characteristics (continued) – Rainbow Electronics MAX1273 User Manual
Page 6
MAX1272/MAX1273
Fault-Protected, 12-Bit ADCs
with Software-Selectable Input Range
6
_______________________________________________________________________________________
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
MAX1272/73 toc04
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
5.20
5.15
5.05 5.10
4.85 4.90 4.95 5.00
4.80
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
4.75
5.25
V
AIN
= 0
INTERNAL
REFERENCE
EXTERNAL
REFERENCE
FULL POWER-DOWN
SUPPLY CURRENT vs. TEMPERATURE
MAX1272/73 toc05
TEMPERATURE (
°C)
SUPPLY CURRENT (
µ
A)
60
35
10
-15
1
2
3
4
5
6
7
8
9
10
0
-40
85
V
AIN
= 0
INTERNAL/EXTERNAL
REFERENCE
FULL POWER-DOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1272/73 toc06
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
5.20
5.15
5.05 5.10
4.85 4.90 4.95 5.00
4.80
1
2
3
4
5
6
7
8
9
10
0
4.75
5.25
V
AIN
= 0
INTERNAL/EXTERNAL
REFERENCE
NORMALIZED INTERNAL REFERENCE
VOLTAGE vs. TEMPERATURE
MAX1272/73 toc07
TEMPERATURE (
°C)
NORMALIZED INTERNAL REFERENCE VOLTAGE
60
35
-15
10
0.9970
0.9975
0.9980
0.9985
0.9990
0.9995
1.0000
1.0005
0.9960
0.9965
-40
85
NORMALIZED INTERNAL REFERENCE
VOLTAGE vs. SUPPLY VOLTAGE
MAX1272/73 toc08
SUPPLY VOLTAGE (V)
NORMALIZED INTERNAL REFERENCE VOLTAGE
5.20
5.15
5.05 5.10
4.85 4.90 4.95 5.00
4.80
0.9992
0.9994
0.9996
0.9998
1.0000
1.0002
1.0004
1.0006
1.0008
1.0010
0.9990
4.75
5.25
DNL vs. CODE
MAX1272/73 toc09
CODE
DNL (LSB)
3584
3072
2048 2560
1024 1536
512
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096
INL vs. CODE
MAX1272/73 toc10
CODE
INL (LSB)
3584
3072
2048 2560
1024 1536
512
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
4096