FMS9884A Datasheet, PDF (16/29 Pages) Fairchild Semiconductor – 3x8-Bit, 108/140/175 Ms/s Triple Video A/D Converter with Clamps

PRODUCT SPECIFICATION
Table 3. Recommended IPUMP and FVCO values for Standard Display Formats
Standard
VGA
2X
SVGA
XGA
Mac
Sun
HP
SXGA
UXGA
Resolution
640 X 480
640 X 480
720 X 400
800 X 600
1024 X 768
1024 X 768
1152 X 870
1152 X 900
1280 X 1024
1280 X 1024
1600 X 1200
Refresh Rate
60 Hz
72 Hz
75 Hz
85 Hz
60 Hz
67 Hz
72 Hz
75 Hz
70 Hz
56 Hz
60 Hz
72 Hz
75 Hz
85 Hz
60 Hz
70 Hz
75 Hz
80 Hz
85 Hz
60 Hz
75 Hz
75 Hz
66 Hz
60 Hz
60 Hz
72 Hz
75 Hz
85 Hz
60 Hz
65 Hz
70 Hz
75 Hz
85 Hz
Horizontal
Frequency
31.5 kHz
37.7 kHz
37.5 kHz
43.3 kHz
31.5 kHz
35 kHz
37.7 kHz
37.5 kHz
31.5 kHz
35.1 kHz
37.9 kHz
48.1 kHz
46.9 kHz
53.7 kHz
48.4 kHz
56.5 kHz
60.0 kHz
64.0 kHz
68.3 kHz
48 kHz
60 kHz
69 kHz
62 kHz
63 kHz
64.0 kHz
78.1 kHz
80.0 kHz
91.1 kHz
75.0 kHz
81.3 kHz
87.5 kHz
93.8 kHz
106.3 kHz
Sample Rate
25.175 MHz
31.500 MHz
31.500 MHz
36.000 MHz
50 MHz
31 MHz
63 MHz
72 MHz
56.6 MHz
36.000 MHz
40.000 MHz
50.000 MHz
49.500 MHz
56.250 MHz
65.000 MHz
75.000 MHz
78.750 MHz
85.500 MHz
94.500 MHz
64 MHz
80 MHz
100 MHz
93 MHz
108 MHz
108.000 MHz
135.000 MHz
135.000 MHz
157.500 MHz
162.000 MHz
175.500 MHz
189.000 MHz*
202.500 MHz*
229.500 MHz*
VESA Monitor Timing Standards and Guidelines, September 17, 1998
* Graphics sampled at ¹/₂ incoming pixel rate using Alternate Pixel Sampling mode.
FVCO_1-0
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
10
01
10
10
10
10
10
11
11
11
11
11
FMS9884A
IPUMP_2-0
100
100
100
100
100
100
100
100
100
100
100
110
110
111
111
111
111
111
111
111
111
111
111
111
111
111
111
C1
0.18µF
R1
1.5K
VDDP
C2
0.018µF
LPF
Figure 22. Schematic, PLL Filter.
Loop performance is established by setting:
1. VCO frequency range through FVCO_1-0. (see Table 4)
2. Charge Pump Current through IPUMP_2-0. (see Table 5)
3. External loop filter component values.
16
REV. 1.2.2 12/7/01