
MAX11634–MAX11637
12-Bit, 300ksps ADCs with Differential
Track/Hold, and Internal Reference
8
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Typical Operating Characteristics (continued)
(VDD = 3V, VREF = 2.5V, fSCLK = 4.8MHz, CLOAD = 30pF, TA = +25°C for MAX11635/MAX11637, unless otherwise noted. VDD = 5V,
VREF = 4.096V, fSCLK = 4.8MHz, CLOAD = 30pF, TA = +25°C for MAX11634/MAX11636, unless otherwise noted.)
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11634
toc18
VDD (V)
V
REF
(V)
5.15
5.05
4.95
4.85
4.095
4.096
4.097
4.098
4.099
4.094
4.75
5.25
MAX11634/MAX11636
VDD = 5V
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
MAX11634
toc19
VDD (V)
V
REF
(V)
3.3
3.0
2.498
2.499
2.500
2.501
2.502
2.497
2.7
3.6
MAX11635/MAX11637
VDD = 3V
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11634
toc20
TEMPERATURE (°C)
V
REF
(V)
60
35
10
-15
4.08
4.09
4.10
4.11
4.12
4.07
-40
85
MAX11634/MAX11636
VDD = 5V
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX11634
toc21
TEMPERATURE (°C)
V
REF
(V)
60
35
10
-15
2.48
2.49
2.50
2.51
2.52
2.47
-40
85
MAX11635/MAX11637
VDD = 3V
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX11634
toc22
VDD (V)
OFFSET
ERROR
(LSB)
5.15
5.05
4.95
4.85
-0.4
-0.2
0
0.2
0.4
0.6
-0.6
4.75
5.25
MAX11634/MAX11636
fSAMPLE = 300ksps
OFFSET ERROR vs. SUPPLY VOLTAGE
MAX11634
toc23
VDD (V)
OFFSET
ERROR
(LSB)
3.3
3.0
0.95
1.00
1.05
1.10
0.90
2.7
3.6
MAX11635/MAX11637
fSAMPLE = 300ksps
OFFSET ERROR vs. TEMPERATURE
MAX11634
toc24
TEMPERATURE (°C)
OFFSET
ERROR
(LSB)
60
35
10
-15
-0.6
-0.2
0.2
0.6
1.0
-1.0
-40
85
MAX11634/MAX11636
fSAMPLE = 300ksps