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Home > Products > Integrated Circuits (ICs) > Clock/Timing > Clock Generators, PLLs, Frequency Synthesizers

Analog Devices Inc. AD9517-1ABCPZ-RL7

Name: AD9517-1ABCPZ-RL7
Brand: Analog Devices Inc.
SKU: AD9517-1ABCPZ-RL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AD9517-1ABCPZ-RL7

Manufacturer:: Analog Devices Inc.

Category:: Clock Generators, PLLs, Frequency Synthesizers

Package:: 48-VFQFN Exposed Pad, CSP

Datasheet:: AD9517-1ABCPZ-RL7.pdf

Description:: IC CLOCK GENERATOR 48LFCSP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AD9517-1ABCPZ-RL7 from Analog Devices is a 12-output clock generator with integrated 2.3–2.65 GHz VCO, delivering sub-picosecond jitter performance. It provides four 1.6 GHz LVPECL outputs (in two pairs), four 800 MHz LVDS outputs (in two pairs, each reconfigurable as two 250 MHz CMOS outputs), and supports dual reference inputs (LVPECL/LVDS/CMOS up to 250 MHz) for high-reliability clock distribution in 10/40/100 GbE line cards and high-speed data converter timing.

For engineers reviewing the AD9517-1ABCPZ-RL7 datasheet, AD9517-1ABCPZ-RL7 pinout, AD9517-1ABCPZ-RL7 application, or AD9517-1ABCPZ-RL7 equivalent, key selection criteria include additive output jitter (225 fs rms LVPECL, 275 fs rms LVDS), channel-to-channel skew (<10 ps paired LVPECL), fine delay adjust per LVDS output, and industrial temperature operation (−40°C to +85°C) in a 48-lead LFCSP package.

Technical Context

The AD9517-1ABCPZ-RL7 integrates a low-noise PLL with an on-chip VCO tunable from 2.30 GHz to 2.65 GHz and supports optional external VCO/VCXO up to 2.4 GHz. Its architecture includes two independent divider trees: one for LVPECL outputs (1:1 to 1:32 with coarse phase delay) and another for LVDS/CMOS outputs (cascaded 1:32 dividers, max 1:1024).

Each output pair features programmable coarse phase delay and-on LVDS outputs-individual fine delay adjustment (Δt). Automatic power-up synchronization ensures deterministic phase alignment across all 12 outputs without external intervention, critical for multi-ADC/DAC sampling systems requiring tight inter-channel timing coherence.

Key Specifications

Parameter	Value and Actual Design Meaning
VCO Frequency Range	2.30–2.65 GHz; enables direct synthesis of high-frequency clocks without external multiplication
LVPECL Output Max Frequency	1.6 GHz; supports direct clocking of 10 GbE SERDES and high-speed FPGA transceivers
LVDS Output Max Frequency	800 MHz; sufficient for dual-channel 16-bit ADCs at 500 MSPS with interleaved sampling
Additive Jitter (LVPECL)	225 fs rms; preserves SNR in 16-bit+ ADCs by minimizing aperture uncertainty
Additive Jitter (LVDS)	275 fs rms; maintains timing margin in LVDS-based digital signal processing chains
Channel Skew (Paired LVPECL)	<10 ps; ensures sub-100-fs effective inter-channel skew after deskew calibration
Fine Delay Resolution (LVDS)	Programmable Δt per output; enables precise deskew down to ~50 ps steps for board-level timing alignment

Pinout & Package

AD9517-1ABCPZ-RL7 is housed in a 48-lead, 7 mm × 7 mm, 0.85 mm body height LFCSP package with exposed paddle (CP-48-9 footprint), optimized for thermal dissipation and low-inductance grounding in high-frequency clocking applications.

Pin/Terminal	Circuit Role	Design Meaning
REFIN / REFIN	Differential reference input	Accepts LVPECL/LVDS up to 250 MHz; self-biased at ~1.45 V for ac-coupled operation
REF1 / REF2	Single-ended reference inputs	CMOS-compatible; support manual switchover and automatic holdover between references
CLK / CLK	Differential clock input	High-frequency path (up to 2.4 GHz); bypasses VCO divider for ultra-low-jitter distribution
OUT0–OUT3	LVPECL differential outputs	Two pairs (OUT0/1, OUT2/3); each pair shares 1:1–1:32 divider with coarse phase delay
OUT4–OUT7	LVDS differential outputs	Two pairs (OUT4/5, OUT6/7); each configurable as two CMOS outputs (e.g., OUT4 → OUT4A/OUT4B)
SYNC	Manual synchronization trigger	Asserting SYNC aligns all output edges simultaneously, overriding internal divider states
LD / STATUS / REFMON	Status monitoring outputs	Configurable digital lock detect, reference monitor status, or general-purpose flag signals

Key Features

Feature	Design Value
On-chip 2.3–2.65 GHz VCO	Eliminates external VCO design complexity and layout sensitivity while maintaining −124 dBc/Hz @ 1 MHz offset phase noise
Automatic power-up sync	Guarantees deterministic phase relationships across all 12 outputs at boot, removing need for external initialization sequencing
Per-LVDS-output fine delay (Δt)	Enables board-level deskew compensation for trace-length mismatches without FPGA logic or external delay lines
Reference monitoring & switchover	Supports seamless failover between primary/backup references with user-selectable revertive or manual holdover modes
LVDS-to-CMOS reconfiguration	Each LVDS pair can drive two independent 250 MHz CMOS loads, increasing output flexibility for mixed-signal SoC interfaces

Applications

10/40/100 GbE Line Cards	High-Speed Data Converter Timing
Use Scenario: Synchronizing multiple SerDes lanes and FEC engines on OTU4-compliant optical transport line cards. IC Role / Device Role / Timing Role: Primary clock generator distributing low-jitter 156.25 MHz, 311.25 MHz, and 622.08 MHz clocks with deterministic skew across FPGA, PHY, and DSP blocks. Use Value: Sub-250 fs additive jitter prevents bit error rate degradation in 100G coherent modems; <10 ps LVPECL pair skew maintains lane-to-lane timing alignment for PAM4 decoding.	Use Scenario: Clocking dual 16-bit, 500 MSPS ADCs in a radar receiver front-end with time-interleaved sampling. IC Role / Device Role / Timing Role: Generating synchronized 500 MHz LVPECL sampling clocks and 250 MHz LVDS system clocks, with fine delay tuning to compensate for PCB propagation differences. Use Value: 225 fs rms additive jitter preserves >78 dBFS SNR; per-output Δt allows sub-100 ps deskew between ADC channels without FPGA-based TDCs.
High-Performance Wireless Transceivers	ATE and Instrumentation
Use Scenario: Providing phase-coherent LO synthesis and baseband sampling clocks in massive MIMO RF front-ends. IC Role / Device Role / Timing Role: Delivering 2.45 GHz VCO-derived local oscillator signals (via divider/mixer paths) and 122.88 MHz DAC/ADC clocks with matched group delay. Use Value: Integrated VCO eliminates external loop filter tuning; <40 ps skew between LVPECL outputs ensures consistent I/Q sampling timing across 64 antenna elements.	Use Scenario: Generating multi-phase, multi-frequency stimulus and capture clocks in automated test equipment for high-speed serial interface validation. IC Role / Device Role / Timing Role: Producing precisely timed 1 GHz, 500 MHz, and 250 MHz clocks with programmable delays for jitter tolerance testing of PCIe Gen5 receivers. Use Value: Fine delay adjust per LVDS output enables controlled jitter injection; 275 fs rms additive jitter ensures measurement floor remains below 300 fs RMS for accurate eye diagram analysis.

10/40/100 GbE Line Cards

High-Speed Data Converter Timing

Use Scenario: Synchronizing multiple SerDes lanes and FEC engines on OTU4-compliant optical transport line cards.

IC Role / Device Role / Timing Role: Primary clock generator distributing low-jitter 156.25 MHz, 311.25 MHz, and 622.08 MHz clocks with deterministic skew across FPGA, PHY, and DSP blocks.

Use Value: Sub-250 fs additive jitter prevents bit error rate degradation in 100G coherent modems; <10 ps LVPECL pair skew maintains lane-to-lane timing alignment for PAM4 decoding.

Use Scenario: Clocking dual 16-bit, 500 MSPS ADCs in a radar receiver front-end with time-interleaved sampling.

IC Role / Device Role / Timing Role: Generating synchronized 500 MHz LVPECL sampling clocks and 250 MHz LVDS system clocks, with fine delay tuning to compensate for PCB propagation differences.

Use Value: 225 fs rms additive jitter preserves >78 dBFS SNR; per-output Δt allows sub-100 ps deskew between ADC channels without FPGA-based TDCs.

High-Performance Wireless Transceivers

ATE and Instrumentation

Use Scenario: Providing phase-coherent LO synthesis and baseband sampling clocks in massive MIMO RF front-ends.

IC Role / Device Role / Timing Role: Delivering 2.45 GHz VCO-derived local oscillator signals (via divider/mixer paths) and 122.88 MHz DAC/ADC clocks with matched group delay.

Use Value: Integrated VCO eliminates external loop filter tuning; <40 ps skew between LVPECL outputs ensures consistent I/Q sampling timing across 64 antenna elements.

Use Scenario: Generating multi-phase, multi-frequency stimulus and capture clocks in automated test equipment for high-speed serial interface validation.

IC Role / Device Role / Timing Role: Producing precisely timed 1 GHz, 500 MHz, and 250 MHz clocks with programmable delays for jitter tolerance testing of PCIe Gen5 receivers.

Use Value: Fine delay adjust per LVDS output enables controlled jitter injection; 275 fs rms additive jitter ensures measurement floor remains below 300 fs RMS for accurate eye diagram analysis.

Equivalent & Alternatives

The following parts are listed as comparable options for similar clock generation applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD9516-1BCPZ-REEL7	Same 48-lead LFCSP package; 6 LVPECL + 4 LVDS outputs (no CMOS reconfiguration); identical VCO range and jitter specs	Fewer total outputs; lacks LVDS-to-CMOS flexibility; better suited for pure high-speed distribution without mixed-signal interface needs	Select when output count and CMOS reconfiguration are unnecessary and cost optimization is prioritized
LMK04832RHAT	2.5 V supply only; dual-loop architecture (jitter cleaner + distributor); 14 outputs (8 LVDS, 6 LVPECL); higher integration (integrated LDOs)	Superior jitter cleaning capability (75 fs rms additive); supports dual-input redundancy with automatic failover; requires separate 2.5 V rail	Select when ultra-low jitter cleanup is required upstream of ADCs/DACs, and dual-loop flexibility justifies voltage rail change

Compared with AD9517-1ABCPZ-RL7, AD9516-1BCPZ-REEL7 reduces output count and removes CMOS reconfiguration but retains identical jitter and VCO performance in the same footprint; LMK04832RHAT trades single-loop simplicity for dual-loop jitter attenuation and higher integration, demanding stricter supply constraints but enabling cleaner clocking for metrology-grade instrumentation.

Availability

AD9517-1ABCPZ-RL7 is available at Aetrix Electronics and suitable for 10/40/100 GbE networking, high-speed data converter timing, and high-performance wireless transceiver applications requiring stable component supply, long-term lifecycle assurance, and guaranteed traceable sourcing.

Supply support for AD9517-1ABCPZ-RL7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with deep expertise in precision timing, RF, and data conversion technologies.

The AD9517 product line was designed specifically for low-jitter clock distribution and synthesis in high-speed communication and instrumentation systems, emphasizing deterministic synchronization, flexible output formatting, and robust reference management.

FAQ

What is the maximum operating frequency of the LVPECL outputs on the AD9517-1ABCPZ-RL7?

The AD9517-1ABCPZ-RL7 supports LVPECL outputs up to 1.6 GHz. This specification applies when using the internal VCO and appropriate divider settings. The device's functional block diagram and Table 4 in the Rev. F datasheet confirm this limit, which is sufficient for driving 10 GbE SERDES, high-speed FPGA transceivers, and 16-bit ADCs sampling at 800 MSPS. Operation beyond 1.6 GHz is not characterized or guaranteed.

Does the AD9517-1ABCPZ-RL7 support automatic synchronization of all outputs at power-up?

Yes, the AD9517-1ABCPZ-RL7 features automatic synchronization of all 12 outputs on power-up. This deterministic alignment is achieved through internal state initialization and divider reset sequencing, ensuring repeatable phase relationships across LVPECL, LVDS, and CMOS outputs without external control signals. The General Description section and Figure 1 of the Rev. F datasheet explicitly state this behavior as a core feature of the AD9517-1ABCPZ-RL7.

Can the LVDS outputs of the AD9517-1ABCPZ-RL7 be reconfigured as CMOS outputs?

Yes, each LVDS output pair (e.g., OUT4/OUT5) on the AD9517-1ABCPZ-RL7 can be individually reconfigured as two single-ended 250 MHz CMOS outputs (e.g., OUT4A/OUT4B). This is implemented via register-controlled output driver mode selection and is documented in the Functional Block Diagram, General Description, and Table 4 of the Rev. F datasheet. The CMOS outputs are specified for 250 MHz operation with VOH ≥ VS − 0.1 V and VOL ≤ 0.1 V at 1 mA load.

What is the additive output jitter specification for the LVDS outputs of the AD9517-1ABCPZ-RL7?

The AD9517-1ABCPZ-RL7 specifies 275 fs rms additive output jitter for its LVDS outputs under distribution-only conditions (VCO divider bypassed). This value is measured with a 1 GHz input clock, 1 GHz output, and 1:1 divider setting, as stated in the "Clock Output Additive Phase Noise" section (Table 6) and confirmed in the Features list of the Rev. F datasheet. It reflects jitter added solely by the distribution path, excluding PLL and VCO contributions.

What package type and dimensions does the AD9517-1ABCPZ-RL7 use?

The AD9517-1ABCPZ-RL7 uses a 48-lead LFCSP package (CP-48-9 footprint), measuring 7 mm × 7 mm with a 0.85 mm body height and exposed thermal paddle. This package variant is explicitly listed in the Ordering Guide on page 79 of the Rev. F datasheet and supersedes the earlier CP-48-8 version. The exposed paddle must be soldered to a thermal pad on the PCB for optimal thermal performance and electrical stability in high-frequency operation.

AD9517-1ABCPZ-RL7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 48-VFQFN Exposed Pad, CSP

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Type:: Clock Generator, Fanout Distribution

PLL:: Yes

Input:: CMOS, LVDS, LVPECL

Output:: CMOS, LVDS, LVPECL

Number of Circuits:: 1

Ratio - Input:Output:: 1:12

Differential - Input:Output:: Yes/Yes

Frequency - Max:: 2.65GHz

Divider/Multiplier:: Yes/No

Voltage - Supply:: 3.135V ~ 3.465V

Operating Temperature:: -40°C ~ 85°C

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

Supplier Device Package:: 48-LFCSP-VQ (7x7)

AD9517-1ABCPZ-RL7 FAQ

1.How can I place an order for AD9517-1ABCPZ-RL7 through Aetrix?

Please submit a Request for Quotation (RFQ) for AD9517-1ABCPZ-RL7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for AD9517-1ABCPZ-RL7 reliable?

The price and inventory of AD9517-1ABCPZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9517-1ABCPZ-RL7 is usually 5 days.

3.What payment methods are accepted for AD9517-1ABCPZ-RL7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9517-1ABCPZ-RL7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AD9517-1ABCPZ-RL7?

AD9517-1ABCPZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD9517-1ABCPZ-RL7 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for AD9517-1ABCPZ-RL7?

For technical support, including AD9517-1ABCPZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9517-1ABCPZ-RL7 requirements.

6.How does Aetrix verify that AD9517-1ABCPZ-RL7 is sourced from the original manufacturer or authorized distributors?

All AD9517-1ABCPZ-RL7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD9517-1ABCPZ-RL7 meets industry standards.

7.What is the process for return or replacement of AD9517-1ABCPZ-RL7?

All AD9517-1ABCPZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD9517-1ABCPZ-RL7, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The AD9517-1ABCPZ-RL7 part is unused and in its original packaging.

Return procedure for AD9517-1ABCPZ-RL7:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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