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AD9550/PCBZ Datasheet(PDF) 13 Page - Analog Devices

Part # AD9550/PCBZ
Description  Integer-N Clock Translator for Wireline Communications
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9550/PCBZ Datasheet(HTML) 13 Page - Analog Devices

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AD9550
Rev. 0 | Page 13 of 20
Table 6. Pin Configured Input Frequency, Ax Pins
A3 to A0
f
REF (MHz)
Divide-by-51
×21
R (Decimal)
0000
Not used
0001
0.008
Bypassed
On
1
0010
1.536
Bypassed
Bypassed
96
0011
2.048
Bypassed
Bypassed
128
0100
16.384
Bypassed
Bypassed
1024
0101
19.44
Bypassed
Bypassed
1215
0110 2
25
Bypassed
On
3125
0111
38.88
Bypassed
Bypassed
2430
1000
61.44
Bypassed
Bypassed
3840
1001
77.76
Bypassed
Bypassed
4860
1010
122.88
Bypassed
Bypassed
7680
1011
125
On
On
3125
1100
1.544
Bypassed
On
193
11013
155.52
Bypassed
Bypassed
59
11104
25 or 77.76
Bypassed
Bypassed
16
1111
200/3
Bypassed
Bypassed
5000
1 For divide-by-5 and ×2 frequency scalers, on indicates active.
2 Using A3 to A0 = 0110 to yield a 25 MHz to 125 MHz conversion provides a loop bandwidth of 170 Hz. An alternate 25 MHz to 125 MHz conversion uses A3 to A0 =
1110, which provides a loop bandwidth of 20 kHz.
3 A3 to A0 = 1101 only works with Y5 to Y0 = 101101 through 110010.
4 A3 to A0 = 1110 only works with Y5 to Y0 = 110011 or 111111.
Table 7. Pin Configured Output Frequency, Yx Pins
Y5 to Y0
f
VCO (MHz)
f
OUT1 (MHz)
f
OUT2 (MHz)
P
0
P
1
P
2
000000
Not used
000001
3686.4
245.76
245.76
5
3
3
000010
3686.4
245.76
122.88
5
3
6
000011
3686.4
245.76
61.44
5
3
12
000100
3686.4
245.76
16.384
5
3
45
000101
3686.4
245.76
2.048
5
3
360
000110
3686.4
245.76
1.536
5
3
480
000111
3686.4
122.88
122.88
5
6
6
001000
3686.4
122.88
61.44
5
6
12
001001
3686.4
122.88
16.384
5
6
45
001010
3686.4
122.88
2.048
5
6
360
001011
3686.4
122.88
1.536
5
6
480
001100
3686.4
61.44
61.44
5
12
12
001101
3686.4
61.44
16.384
5
12
45
001110
3686.4
61.44
2.048
5
12
360
001111
3686.4
61.44
1.536
5
12
480
010000
3686.4
16.384
16.384
5
45
45
010001
3686.4
16.384
2.048
5
45
360
010010
3686.4
16.384
1.536
5
45
480
010011
3686.4
2.048
2.048
5
360
360
010100
3686.4
2.048
1.536
5
360
480
010101
3686.4
1.536
1.536
5
480
480
010110
3750
156.25
156.25
6
4
4
010111
3750
156.25
125
6
4
5
011000
3750
156.25
25
6
4
25
011001
3750
125
125
6
5
5
011010
3750
125
25
6
5
25
011011
3750
25
25
6
25
25
011100
3732.48
155.52
155.52
6
4
4



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