Rainbow-electronics MAX19516 Manual de usuario descargar pdf (Pagina 29)

MAX19516

Dual-Channel, 10-Bit, 100Msps ADC

______________________________________________________________________________________ 29

Figure 15. Recommended Data Timing (V

OVDD

= 1.8V)

RECOMMENDED DATA TIMING

vs. SAMPLING RATE

SAMPLING RATE (Msps)

DATA DELAY (T FRACTIONAL PERIOD)

10090807060

0.5

1.0

1.5

2.0

+11/16

+10/16

+9/16

+8/16

+7/16

+6/16

+5/16

+3/16

+2/16

+1/16

-1/16

-2/16

-3/16

OVDD = 1.8V

DA_BYPASS = 1

Figure 16. Recommended Data Timing (V

OVDD

= 3.3V)

RECOMMENDED DATA TIMING

vs. SAMPLING RATE

DATA DELAY (T FRACTIONAL PERIOD)

0.5

1.0

1.5

2.0

+11/16

+10/16

+9/16

+8/16

+7/16

+6/16

+5/16

+3/16

+2/16

+1/16

-1/16

-2/16

-3/16

OVDD = 3.3V

DA_BYPASS = 1

SAMPLING RATE (Msps)

1009080706050

SAMPLING RATE (Msps) V

OVDD

= 1.8V

FROM TO DA_BYPASS DLY_HALF_T DTIME<2:0> DCLKTIME<2:0>

50 55 1 0 101 101

55 65 1 0 110 110

65 75 1 0 111 111

75 86 1 1 011 011

86 96 1 1 010 010

96 100 1 1 001 001

Table 6. Recommended Timing Adjustments (V

OVDD

= 1.8V)

Figure 13. Default Data Timing (V

OVDD

= 1.8V)

FACTORY DEFAULT NOMINAL DATA

TIMING vs. SAMPLING RATE

SAMPLING RATE (Msps)

DATA DELAY (T FRACTIONAL PERIOD)

90 100807060

0.5

1.0

1.5

2.0

+11/16

+10/16

+9/16

+8/16

+7/16

+6/16

+5/16

+3/16

+2/16

+1/16

-1/16

-2/16

-3/16

OVDD = 1.8V

DA_BYPASS = 1

Figure 14. Default Data Timing (V

OVDD

= 3.3V)

FACTORY DEFAULT NOMINAL DATA

TIMING vs. SAMPLING RATE

SAMPLING RATE (Msps)

DATA DELAY (T FRACTIONAL PERIOD)

100908070

0.5

1.0

1.5

2.0

6050

+11/16

+10/16

+9/16

+8/16

+7/16

+6/16

+5/16

+3/16

+2/16

+1/16

-1/16

-2/16

-3/16

OVDD = 3.3V

DA_BYPASS = 1

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Rainbow-electronics MAX19516 Manual de usuario Pagina 29

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