Rainbow Electronics MAX19507 - Manual (Page 29)

MAX19507
Dual-Channel, 8-Bit, 130Msps ADC
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Figure 15. Recommended Data Timing (VOVDD = 1.8V)
RECOMMENDED DATA TIMING
vs. SAMPLING RATE
SAMPLING RATE (Msps)
DATA DELAY (T FRACTIONAL PERIOD)
125 115 105 95 85 75
0.5
1.0
1.5
2.0
0
65
+11/16
+10/16
+9/16
+8/16
+7/16
+6/16
+5/16
+3/16
+2/16
+1/16
0
-1/16
-2/16
-3/16
OVDD = 1.8V
DA_BYPASS = 1
Figure 16. Recommended Data Timing (VOVDD = 3.3V)
RECOMMENDED DATA TIMING
vs. SAMPLING RATE
SAMPLING RATE (Msps)
DATA DELAY (T FRACTIONAL PERIOD)
125 115 105 95 85 75
0.5
1.0
1.5
2.0
0
65
+11/16
+10/16
+9/16
+8/16
+7/16
+6/16
+5/16
+3/16
+2/16
+1/16
0
-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>
65 75 1 0 111 111
75 86 1 1 011 011
86 96 1 1 010 010
96 106 1 1 001 001
106 116 1 1 000 000
116 130 1 1 101 101
Table 6. Recommended Timing Adjustments (V
OVDD
= 1.8V)
Figure 13. Default Data Timing (VOVDD = 1.8V)
FACTORY DEFAULT NOMINAL DATA
TIMING vs. SAMPLING RATE
SAMPLING RATE (Msps)
DATA DELAY (T FRACTIONAL PERIOD)
125 115 105 95 85 75
0.5
1.0
1.5
2.0
0
65
+11/16
+10/16
+9/16
+8/16
+7/16
+6/16
+5/16
+3/16
+2/16
+1/16
0
-1/16
-2/16
-3/16
OVDD = 1.8V
DA_BYPASS = 0
Figure 14. Default Data Timing (VOVDD = 3.3V)
FACTORY DEFAULT NOMINAL DATA
TIMING vs. SAMPLING RATE
SAMPLING RATE (Msps)
DATA DELAY (T FRACTIONAL PERIOD)
125 115 105 95 85 75
0.5
1.0
1.5
2.0
0
65
+11/16
+10/16
+9/16
+8/16
+7/16
+6/16
+5/16
+3/16
+2/16
+1/16
0
-1/16
-2/16
-3/16
OVDD = 3.3V
DA_BYPASS = 0