ACS8525AP datasheet(23/112 Pages) SEMTECH

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ACS8525A LC/P

ADVANCED COMMS & SENSING

FINAL

DATASHEET

Revision 1.00/September 2007 © Semtech Corp.

Page 23

www.semtech.com

1.536

12E1 mode

Select DPLL2

500

2.3

1.536

Select DPLL1 12E1

250

1.5

1.544

16DS1 mode

Select DPLL2

200

1.2

1.544

Select DPLL1 16DS1

150

1.0

1.544

via Digital1 or Digital2 (not Output O1)

77.76 MHz Analog

3800

1.544

via Digital1 or Digital2 (not Output O1)

Any digital feedback mode

3800

2.048

12E1 mode

Select DPLL2

500

2.3

2.048

Select DPLL1 12E1

250

1.5

2.048

16E1 mode

Select DPLL2

400

2.0

2.048

Select DPLL1 16E1

220

1.2

2.048

(not Output O1)

12E1 mode

900

4.5

2.048

via Digital1 or Digital2 (not Output O1)

77.76 MHz Analog

3800

2.048

via Digital1 or Digital2 (not Output O1)

Any digital feedback mode

3800

2.059

16DS1 mode

Select DPLL2

200

1.2

2.059

Select DPLL1 16DS1

150

1.0

2.059

(not Output O1)

16DS1 mode

760

2.6

2.316

24DS1 mode

Select DPLL2

110

0.75

2.316

Select DPLL1 24DS1

110

0.75

2.731

16E1 mode

Select DPLL2

400

1.5

2.731

Select DPLL1 16E1

220

1.2

2.731

(not Output O1)

16E1 mode

250

1.6

2.796

DS3 mode

Select DPLL2

110

1.0

3.088

24DS1 mode

Select DPLL2

110

0.75

3.088

Select DPLL1 24DS1

110

0.75

3.088

(not Output O1)

24DS1 mode

110

0.75

3.088

via Digital1 or Digital2 (not Output O1)

77.76 MHz Analog

3800

3.088

via Digital1 or Digital2 (not Output O1)

Any digital feedback mode

3800

3.728

DS3 mode

Select DPLL2

110

1.0

4.096

via Digital1 or Digital2 (not Output O1)

77.76 MHz Analog

3800

4.096

via Digital1 or Digital2 (not Output O1)

Any digital feedback mode

3800

4.296

E3 mode

Select DPLL2

120

1.0

Table 7 Output Frequency Selection (cont...)

Frequency (MHz, unless stated otherwise)

DPLL1 Mode

DPLL2 Mode

APLL2 Input Mux

Jitter Level (Typ)

rms

(ps)

p-p

(ns)

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