MAX1211(2003) Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
MAX1211 Datasheet PDF : 29 Pages
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65Msps, 12-Bit, IF Sampling ADC
+3.3V
0.1µF
1
MAX6062
3
2 16.2kΩ
1µF
0.1µF
3
5
1
15Ω
4
2
MAX4250
NOTE: ONE FRONT-END REFERENCE CIRCUIT PROVIDES ±15mA OF OUTPUT DRIVE.
0.1µF
VDD
39
REFIN
1
REFP
0.1µF
2.048V
MAX1211
10µF
2
REFN
38
REFOUT
0.1µF
GND
3
COM
2.2µF
0.1µF
2.2µF
0.1µF
2.2µF
0.1µF
2.2µF
+3.3V
0.1µF
VDD
39 REFIN
1
REFP
0.1µF
MAX1211
10µF
2
REFN
38
REFOUT
0.1µF
GND
3
COM
2.2µF
0.1µF
2.2µF
0.1µF
2.2µF
0.1µF
2.2µF
Figure 12. External Buffered (MAX4250) Reference Drive Using a MAX6062 Bandgap Reference
Parameter Definitions
Integral Nonlinearity (INL)
Integral nonlinearity is the deviation of the values on an
actual transfer function from a straight line. This straight
line is either a best-straight-line fit or a line drawn
between the end points of the transfer function, once
offset and gain errors have been nullified. The static lin-
earity parameters for the MAX1211 are measured using
the end-point method.
Differential Nonlinearity (DNL)
Differential nonlinearity is the difference between an
actual step width and the ideal value of 1 LSB. A DNL
error specification of less than 1 LSB guarantees no
missing codes and a monotonic transfer function.
Offset Error
Ideally, the midscale MAX1211 transition occurs at 0.5
LSB above midscale. The offset error is the amount of
deviation between the measured transition point and
the ideal transition point.
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