AD9571
Info : RECOMMENDED FOR NEW DESIGNS
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AD9571

Ethernet Clock Generator, 10 Clock Outputs

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 6
1ku List Price Starting From $6.74
Features
  • Fully integrated VCO/PLL core
    0.17 ps rms jitter from 1.875 MHz to 20 MHz at 156.25 MHz
    0.41 ps rms jitter from 12 kHz to 20 MHz at 125 MHz
    Input crystal or clock frequency of 25 MHz
  • Preset divide ratios for 156.25 MHz, 33.33 MHz,100 MHz, and 125 MHz
  • Choice of LVPECL or LVDS output format
  • See datasheet for additional features
Additional Details
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The AD9571 provides a multioutput clock generator function comprising a dedicated PLL core that is optimized for Ethernet line card applications. The integer-N PLL design is based on the Analog Devices, Inc., proven portfolio of high performance, low jitter frequency synthesizers to maximize network performance. Other applications with demanding phase noise and jitter requirements also benefit from this part.

The PLL section consists of a low noise phase frequency detector (PFD), a precision charge pump (CP), a low phase noise voltage controlled oscillator (VCO), and a preprogrammed feedback divider and output divider. By connecting an external crystal or reference clock to the REFCLK pin, frequencies up to 156.25 MHz can be locked to the input reference.

Each output divider and feedback divider ratio is preprogrammed for the required output rates. No external loop filter components are required, thus conserving valuable design time and board space.

The AD9571 is available in a 40-lead 6 mm × 6 mm lead frame chip scale package and can be operated from a single 3.3 V supply. The operating temperature range is −40°C to +85°C.

APPLICATIONS

  • Ethernet line cards, switches, and routers
  • SCSI, SATA, and PCI-express
  • PCI support included
  • Low jitter, low phase noise clock generation
Part Models 6
1ku List Price Starting From $6.74

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Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD9571ACPZLVD
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AD9571ACPZLVD-R7
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AD9571ACPZLVD-RL
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AD9571ACPZPEC
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AD9571ACPZPEC-R7
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AD9571ACPZPEC-RL
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Product Lifecycle

PCN

Dec 10, 2014

- 14_0049

Conversion of 6x6mm and 7x7mm LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to Amkor Philippines

AD9571ACPZLVD

PRODUCTION

AD9571ACPZLVD-R7

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AD9571ACPZLVD-RL

PRODUCTION

AD9571ACPZPEC

PRODUCTION

AD9571ACPZPEC-R7

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AD9571ACPZPEC-RL

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Filter by Model

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Product Lifecycle

PCN

Dec 10, 2014

- 14_0049

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Conversion of 6x6mm and 7x7mm LFCSP Package Outlines from Punch to Sawn and Transfer of Assembly Site to Amkor Philippines

AD9571ACPZLVD

PRODUCTION

AD9571ACPZLVD-R7

PRODUCTION

AD9571ACPZLVD-RL

PRODUCTION

AD9571ACPZPEC

PRODUCTION

AD9571ACPZPEC-R7

PRODUCTION

AD9571ACPZPEC-RL

PRODUCTION

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