Rainbow-electronics MAX19515 Manual do Utilizador descarregar pdf (Página 29)

MAX19515

Dual-Channel, 10-Bit, 65Msps ADC

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Figure 15. Recommended Data Timing (V

OVDD

= 1.8V)

RECOMMENDED DATA TIMING

vs. SAMPLING RATE

SAMPLING RATE (Msps)

DATA DELAY (T FRACTIONAL PERIOD)

65605040

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

SAMPLING RATE (Msps)

DATA DELAY (T FRACTIONAL PERIOD)

65605040

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) V

OVDD

= 1.8V

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

30 45 1 0 000 000

45 55 1 0 101 101

55 65 1 0 110 010

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)

65605040

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)

65605040

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

1 2 ... 24 25 26 27 28 29 30 31 32 33 34

MAX19515 1

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