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AD9540BCPZ The AD9540BCPZ is a 655 MHz clock generator with integrated PLL from Analog Devices. It features 200 MHz phase frequency detector inputs and 48-bit frequency tuning word resolution.
Mfr Part #:

AD9540BCPZ

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD9540BCPZ is a 655 MHz clock generator with integrated PLL from Analog Devices. It features 200 MHz phase frequency detector inputs and 48-bit frequency tuning word resolution.
✓ Total Stock: 4,006 pcs

AD9540BCPZ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,006 pcs
On Request
2006 pcs On Request 1 On Request On Request 24+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
2,000 pcs
On Request
2000 pcs On Request 1 On Request On Request On Request On Request 2026-02-23 21:33:16
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AD9540BCPZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Differential
Divider
Frequency
Input
Mounting Type
Number of Circuits
Operating Temperature
Output
PLL
Ratio
Supplier Device Package
Type
Voltage
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AD9540BCPZ Description

Short technical summary and product information.

The AD9540BCPZ is a 655 MHz low jitter clock generator from Analog Devices that integrates a phase-locked loop (PLL) and a direct digital synthesizer (DDS) core. It accepts a clock input and provides differential CML and PECL outputs. The device includes a 200 MHz phase frequency detector (PFD) with programmable input dividers (M, N) and an RF divider (R). The internal DDS operates at 400 MSPS with 48-bit frequency tuning word resolution and 14-bit programmable phase offset.

 

This clock generator operates from a 1.8V core supply and a separate 3.3V I/O supply for the output drivers and charge pump. It is housed in a 48-lead LFCSP package (7x7 mm) with an exposed pad for thermal management. The device supports surface mount assembly and is specified for the -40°C to +85°C industrial temperature range.

 

Typical applications include clocking high performance data converters, base station clocking, network (SONET/SDH) and Gigabit Ethernet clocking, instrumentation, and agile local oscillator frequency synthesis. The programmable charge pump current and dual-mode lock detect provide flexibility for various PLL loop filter designs.

AD9540BCPZ Quick Information

Product Type: Clock Generator
Canonical Name: AD9540BCPZ 655 MHz Clock Generator with PLL
Subcategory: PLL Clock Generator

AD9540BCPZ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD9540BCPZ Features

  • 655 MHz maximum output frequency.
  • Integrated PLL with 200 MHz PFD.
  • 48-bit frequency tuning word resolution.
  • 14-bit programmable phase offset.
  • 1.8V core and 3.3V I/O supply.

AD9540BCPZ Applications

  • Clocking high performance data converters.
  • Base station clocking applications.
  • Network (SONET/SDH) clocking.
  • Gigabit Ethernet clocking.
  • Instrumentation clocking circuits.

AD9540BCPZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum output frequency of the AD9540BCPZ?

The maximum output frequency is 655 MHz.

What is the supply voltage range for the AD9540BCPZ?

The core supply voltage range is 1.71V to 1.89V, and the I/O supply is 3.3V.

What package does the AD9540BCPZ come in?

It is available in a 48-lead LFCSP package (48-LFCSP-VQ 7x7 mm) with an exposed pad.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

What output types does the AD9540BCPZ support?

It provides differential CML and PECL outputs.

Does the AD9540BCPZ have a PLL?

Yes, it includes an integrated PLL with a 200 MHz phase frequency detector.

What is the frequency tuning word resolution?

The frequency tuning word resolution is 48-bit.

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