ACS8526 LC/P LITE
ADVANCED COMMUNICATIONS
Table 9 Output Frequency Selection (cont...)
FINAL
Frequency (MHz, unless stated otherwise)
DPLL1 Mode
DPLL2 Mode
51.84
65.536 (Output O1 only)
68.736
74.112 (Output O1 only)
77.76
77.76
77.76
98.304 (Output O1 only)
98.816 (Output O1 only)
131.07 (Output O1 only)
148.22 (Output O1 only)
155.52 (Output O1 only)
155.52 (Output O1 only)
311.04 (Output O1 only)
311.04 (Output O1 only)
77.76 MHz digital
16E1 mode
-
24DS1 mode
77.76 MHz analog
77.76 MHz digital
-
12E1 mode
16DS1 mode
16E1 mode
24DS1 mode
77.76 MHz analog
77.76 MHz digital
77.76 MHz analog
77.76 MHz digital
-
-
E3 mode
-
-
-
77.76 MHz mode
-
-
-
-
-
-
-
-
DATASHEET
APLL2 Input Mux
-
-
Select DPLL2
-
-
-
Select DPLL2
-
-
-
-
-
-
-
-
Jitter Level (typ)
rms p-p (ns)
(ps)
60 0.6
250 1.6
120 1.0
110 0.75
60 0.6
60 0.6
60 0.6
900 4.5
760 2.6
250 1.6
110 0.75
60 0.6
60 0.6
60 0.6
60 0.6
Table 10 Frequency Divider Look-up
Transmission Rate
OC-N Rates
E3
DS3
APLL Frequency APLL/2 APLL/4 APLL/6 APLL/8 APLL/12 APLL/16 APLL/48 APLL/64
311.04
155.52 77.76 51.84
38.88 25.92
19.44 6.48
4.86
274.944
137.472 68.376
-
34.368
-
17.184 5.728
4.296
178.944
89.472 44.736
-
22.368
-
11.184 3.728
2.796
24DS1
148.224
74.112 37.056 24,704 18.528 12.352 9.264 3.088
2.316
16E1
16DS1
12E1
131.072
98.816
98.304
65.536
49.408
49.152
32.768 21.84533 16.384 10.92267 8.192
24.704 16.46933 12.352 8.234667 6.176
24.576 16.384 12.288 8.192
6.144
2.730667 2.048
2.058667 1.544
2.048
1.536
Note...All frequencies in MHz.
Revision 4.01/June 2006 © Semtech Corp.
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