AD9547BCPZ

Semiconductors - ICs

> Clock Timing & Frequency Management

> Clock Synthesizers & Generators

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Series Information for AD9547BCPZ - Analog Devices

Features

  • feature
    Supports Stratum 2 stability in holdover mode Supports reference switchover with phase build-out Supports hitless reference switchover Automatic/manual holdover and reference switchover 2 pairs of reference input pins, with each pair configurable as a single differential input or as 2 independent single- ended inputs Input reference frequencies from 1 kHz to 750 MHz Reference validation and frequency monitoring (1 ppm) Programmable input reference switchover priority 30-bit programmable input reference divider 2 pairs of clock output pins, with each pair configurable as a single differential LVDS/LVPECL output or as 2 single- ended CMOS outputs Output frequencies up to 450 MHz 20-bit integer and 10-bit fractional programmable feedback divider Programmable digital loop filter covering loop bandwidths from 0.001 Hz to 100 kHz Optional low noise LC-VCO system clock multiplier Optional crystal resonator for system clock input On-chip EEPROM to store multiple power-up profiles Software controlled power-down 64-lead LFCSP package

Description

CLOCK GEN/SYNCHRONISER 725MHZ LFCSP

The AD9547 provides synchronization for many systems, including synchronous optical networks (SONET/SDH). The AD9547 generates an output clock that is synchronized to one of two differential or four single-ended external input references. The digital PLL allows for reduction of input time jitter or phase noise associated with the external references. The AD9547 continuously generates a clean (low jitter), valid output clock, even when all references fail, by means of digitally controlled loop and holdover circuitry. The AD9547 operates over an industrial temperature range of −40°C to +85°C.

Specifications

Clock IC Type:
Clock Generator / Synchroniser
Frequency:
725MHz
No. of Outputs:
2Outputs
Supply Voltage Min:
3.135V
Supply Voltage Max:
3.465V
Clock IC Case Style:
LFCSP
No. of Pins:
64Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD9547 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)

Alternate Descriptions

Newark Electronics
Clock IC Type:Clock Generator / Synchroniser; Frequency:725MHz; No. of Outputs:2Outputs; Supply Voltage Min:3.135V; Supply Voltage Max:3.465V; Clock IC Case Style:LFCSP; No. of Pins:64Pins; Operating Temperature Min:-40°C RoHS Compliant: Yes