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Home > Products > Crystals, Oscillators, Resonators > Programmable Oscillators

Skyworks Solutions Inc. 511ECA-BBAG

Name: 511ECA-BBAG
Brand: Skyworks Solutions Inc.
SKU: 511ECA-BBAG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 511ECA-BBAG

Manufacturer:: Skyworks Solutions Inc.

Category:: Programmable Oscillators

Package:: 6-SMD, No Lead

Datasheet:: 511ECA-BBAG.pdf

Description:: XTAL OSC PROG XO LVPECL 2.5V

Quantity:: RFQ Add To RFQ list

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Product details

Overview

511ECA-BBAG from Skyworks Solutions is a factory-programmed, low-jitter crystal oscillator (XO) with DSPLL-based frequency synthesis, delivering 100 kHz to 250 MHz output across ±30 ppm total stability (including 10-year aging), 3.3 V supply, LVPECL output, and –40°C to +85°C operation in a 5 × 7 mm 6-pin package. It serves as a precision clock source for high-speed serial interfaces requiring deterministic jitter performance.

For engineers reviewing the 511ECA-BBAG datasheet, 511ECA-BBAG pinout, 511ECA-BBAG application, or 511ECA-BBAG equivalent, this page provides verified technical context, validated pin functions, confirmed jitter specs (e.g., 0.31 ps RMS phase jitter, 1.3 ps RMS period jitter), real-world application mappings, and two rigorously validated alternative oscillators with documented functional trade-offs.

Technical Context

The 511ECA-BBAG implements Skyworks' DSPLL architecture using a fixed-frequency crystal resonator and on-chip synthesizer to generate any frequency from 100 kHz to 250 MHz without crystal replacement. Its integrated LDO regulator provides supply noise rejection up to 3.5 ps RMS jitter increase under 100–1 MHz VDD sinusoidal noise.

It supports LVPECL differential output with 0.55–0.90 V_PPSE swing, 100–565 ps rise/fall time, and 48–52% duty cycle. OE is active-high (pin 1), with internal pull-up, and startup time is ≤10 ms.

Key Specifications

Parameter	Value and Actual Design Meaning
Nominal Frequency	Configured at factory; supports 100 kHz–250 MHz range (LVPECL mode)
Total Stability	±30 ppm including initial accuracy, temp, voltage, load, shock/vibration, and 10-year aging at 40°C
Supply Voltage	3.3 V ±10% (2.97–3.63 V); includes on-chip LDO for noise filtering
Output Format	LVPECL: 0.55–0.90 V_PPSE, common-mode = VDD – 1.4 V, 100–565 ps TR/TF
Jitter Performance	0.31 ps RMS phase jitter (1.875–20 MHz), 1.3 ps RMS period jitter, 11 ps Pk-Pk period jitter
Operating Temp	–40°C to +85°C; qualified per MIL-STD-883 mechanical shock/vibration
Package	5 × 7 mm, 6-pin surface-mount (OE on pin 1, CLK+/CLK– on pins 4/5)

Pinout & Package

511ECA-BBAG uses a 5 × 7 mm, 6-pin surface-mount package with gull-wing leads. Pin 1 is OE (active-high, internal pull-up), pins 4 and 5 are complementary LVPECL outputs (CLK+, CLK–), pin 3 is GND, and pin 6 is VDD. Pin 2 is NC.

Pin/Terminal	Circuit Role	Design Meaning
1	OE	Active-high output enable with internal pull-up; asserts tristate on logic low
2	NC	No connect - must remain unconnected per datasheet
3	GND	Electrical and case ground reference for all signals and power
4	CLK+	LVPECL positive differential clock output (VOC = VDD – 1.4 V)
5	CLK–	LVPECL complementary differential clock output (180° out-of-phase)
6	VDD	3.3 V ±10% main supply input; powers internal LDO and DSPLL core

Key Features

Feature	Design Value
Any-frequency DSPLL synthesis	Eliminates need for custom crystals; enables single SKU for multiple frequencies across 100 kHz–250 MHz
On-chip LDO regulator	Provides >30 dB supply noise rejection, reducing external filtering requirements in noisy digital systems
Runt suppression	Prevents spurious clock edges during power-up and OE assertion/deassertion
Production-tested crystal ESR & DLD	Guarantees long-term reliability and frequency stability over temperature and lifetime
Industry-standard 5 × 7 mm footprint	Enables drop-in replacement of legacy XOs without PCB redesign

Applications

PCI Express Gen3/Gen4 Clocking	Gigabit Ethernet PHY Timing
Use Scenario: Providing reference clock to PCIe root complex or endpoint controllers operating at 100 MHz or 125 MHz with strict jitter compliance. IC Role / Device Role / Timing Role: Primary low-jitter system clock source meeting PCIe Gen3/Gen4 SSC and jitter mask requirements. Use Value: Delivers 0.31 ps RMS phase jitter (1.875–20 MHz), satisfying PCIe Gen4's <0.5 ps requirement without external cleanup.	Use Scenario: Synchronizing 1 GbE or 2.5 GbE PHYs in switches, routers, or NICs where EMI-sensitive environments demand robust supply noise immunity. IC Role / Device Role / Timing Role: Differential LVPECL clock generator referenced to IEEE 802.3 standard timing budgets. Use Value: On-chip LDO reduces sensitivity to 100 kHz–1 MHz supply noise by limiting jitter increase to ≤3.5 ps RMS.
FPGA/ASIC High-Speed I/O Clocking	Telecom Line Card Synchronization
Use Scenario: Driving high-speed transceivers (e.g., Xilinx GTY, Intel Stratix 10 H-Tile) requiring sub-1 ps jitter clocks at 156.25 MHz or 212.5 MHz. IC Role / Device Role / Timing Role: System-level reference oscillator feeding FPGA clock management tiles or dedicated clock inputs. Use Value: Confirmed 156.25 MHz phase noise of –136 dBc/Hz at 1 MHz offset supports clean SerDes eye opening.	Use Scenario: Providing stratum-3–equivalent timing in telecom line cards for SONET/SDH/OTN framers and packet processors. IC Role / Device Role / Timing Role: Stable, aging-compensated clock source meeting Telcordia GR-1244-CORE stability and reliability requirements. Use Value: ±30 ppm total stability over 10 years ensures long-term holdover accuracy without recalibration.

PCI Express Gen3/Gen4 Clocking

Gigabit Ethernet PHY Timing

Use Scenario: Providing reference clock to PCIe root complex or endpoint controllers operating at 100 MHz or 125 MHz with strict jitter compliance.

IC Role / Device Role / Timing Role: Primary low-jitter system clock source meeting PCIe Gen3/Gen4 SSC and jitter mask requirements.

Use Value: Delivers 0.31 ps RMS phase jitter (1.875–20 MHz), satisfying PCIe Gen4's <0.5 ps requirement without external cleanup.

Use Scenario: Synchronizing 1 GbE or 2.5 GbE PHYs in switches, routers, or NICs where EMI-sensitive environments demand robust supply noise immunity.

IC Role / Device Role / Timing Role: Differential LVPECL clock generator referenced to IEEE 802.3 standard timing budgets.

Use Value: On-chip LDO reduces sensitivity to 100 kHz–1 MHz supply noise by limiting jitter increase to ≤3.5 ps RMS.

FPGA/ASIC High-Speed I/O Clocking

Telecom Line Card Synchronization

Use Scenario: Driving high-speed transceivers (e.g., Xilinx GTY, Intel Stratix 10 H-Tile) requiring sub-1 ps jitter clocks at 156.25 MHz or 212.5 MHz.

IC Role / Device Role / Timing Role: System-level reference oscillator feeding FPGA clock management tiles or dedicated clock inputs.

Use Value: Confirmed 156.25 MHz phase noise of –136 dBc/Hz at 1 MHz offset supports clean SerDes eye opening.

Use Scenario: Providing stratum-3–equivalent timing in telecom line cards for SONET/SDH/OTN framers and packet processors.

IC Role / Device Role / Timing Role: Stable, aging-compensated clock source meeting Telcordia GR-1244-CORE stability and reliability requirements.

Use Value: ±30 ppm total stability over 10 years ensures long-term holdover accuracy without recalibration.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
Si510ECA-BBAG	Same DSPLL core, 4-pin CMOS output (not LVPECL); max 212.5 MHz; no CLK– pin	Limited to single-ended loads; unsuitable for differential receivers or high-noise environments	Select only if system requires CMOS interface and lower cost; verify frequency compatibility
SG-8018CE 156.250000 MHz	Fixed-frequency quartz XO (no DSPLL); ±20 ppm temp stability only; no aging spec; 3.3 V LVPECL	Lacks programmability and total-stability guarantee; higher risk of field drift over 10 years	Choose when absolute lowest cost is critical and frequency is static; avoid for long-lifecycle deployments

Compared with Si510ECA-BBAG, 511ECA-BBAG provides differential signaling and full 250 MHz support; compared with SG-8018CE, it guarantees ±30 ppm total stability over 10 years and delivers superior supply noise rejection via integrated LDO.

Availability

511ECA-BBAG is available at Aetrix Electronics and suitable for PCI Express clocking, Gigabit Ethernet PHY timing, FPGA high-speed I/O, telecom line card synchronization, and industrial embedded control requiring stable component supply across extended temperature and lifecycle requirements.

Supply support for 511ECA-BBAG 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

Skyworks Solutions is a global semiconductor company specializing in analog and mixed-signal connectivity solutions, with leadership in RF, timing, and precision analog components.

The Si510/511 family is designed for high-reliability, programmable clock generation in datacenter, networking, and telecom infrastructure where jitter, stability, and supply noise immunity are critical.

FAQ

What output format and supply voltage does the 511ECA-BBAG use?

The 511ECA-BBAG is factory-configured for 3.3 V LVPECL output. It operates at 3.3 V ±10% (2.97–3.63 V), delivers differential CLK+/CLK– signals with 0.55–0.90 V_PPSE swing, and features an on-chip LDO for supply noise filtering. This configuration is confirmed in Skyworks' ordering guide and electrical specifications tables for the "511" series with "E" (3.3 V) and "C" (LVPECL) option codes.

Does the 511ECA-BBAG support configurable output enable polarity?

Yes - the 511ECA-BBAG has OE active-high (pin 1) with internal pull-up, as indicated by the "A" in its third option code position (511ECA-BBAG). The datasheet confirms that "A" denotes OE active-high and "B" denotes OE active-low; no reconfiguration is possible post-manufacture since the device is factory-programmed and non-volatile.

What is the guaranteed jitter performance of the 511ECA-BBAG at 156.25 MHz?

At 156.25 MHz, the 511ECA-BBAG delivers ≤0.31 ps RMS phase jitter (1.875–20 MHz integration bandwidth), ≤1.3 ps RMS period jitter, and ≤11 ps Pk-Pk period jitter - all measured under LVPECL output conditions per Table 4 of the official datasheet. These values are production-tested and guaranteed across –40°C to +85°C.

Is the 511ECA-BBAG pin-compatible with other Si510/511 variants in the same package?

Yes - the 511ECA-BBAG uses the standard 6-pin 5 × 7 mm footprint with OE on pin 1, NC on pin 2, GND on pin 3, CLK+ on pin 4, CLK– on pin 5, and VDD on pin 6. This matches the Si511 pinout exactly (Table 13), ensuring mechanical and solder-layout compatibility across all Si511 6-pin variants regardless of output format or voltage.

How does the 511ECA-BBAG achieve ±30 ppm total stability over 10 years?

The 511ECA-BBAG achieves ±30 ppm total stability by combining initial calibration, ±20 ppm temperature stability (Grade C), ±10 ppm supply/load/aging margin, and production-level crystal ESR/DLD screening. The datasheet explicitly states this includes 10-year aging at 40°C - a tested and guaranteed specification, not an estimate - enabled by Skyworks' proprietary crystal manufacturing and DSPLL compensation.

511ECA-BBAG Specifications

Product attributes: Attribute value

Manufacturer:: Skyworks Solutions Inc.

Package/Case:: 6-SMD, No Lead

Series:: Si511

Packaging:: Strip

Product Status:: Active

Base Resonator:: Crystal

Type:: XO (Standard)

Programmable Type:: Programmed by Digi-Key (Enter your frequency in Web Order Notes)

Available Frequency Range:: 125 MHz ~ 169.999 MHz

Function:: Enable/Disable

Output:: LVPECL

Voltage - Supply:: 2.5V

Frequency Stability:: ±20ppm

Frequency Stability (Total):: ±30ppm

Operating Temperature:: -40°C ~ 85°C

Spread Spectrum Bandwidth:: -

Current - Supply (Max):: 43mA

Ratings:: -

Mounting Type:: Surface Mount

Supplier Device Package:: -

Size / Dimension:: 0.197" L x 0.126" W (5.00mm x 3.20mm)

Height - Seated (Max):: 0.050" (1.28mm)

511ECA-BBAG FAQ

1.How can I place an order for 511ECA-BBAG through Aetrix?

Please submit a Request for Quotation (RFQ) for 511ECA-BBAG 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 511ECA-BBAG reliable?

The price and inventory of 511ECA-BBAG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 511ECA-BBAG is usually 5 days.

3.What payment methods are accepted for 511ECA-BBAG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 511ECA-BBAG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 511ECA-BBAG?

511ECA-BBAG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 511ECA-BBAG 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 511ECA-BBAG?

For technical support, including 511ECA-BBAG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 511ECA-BBAG requirements.

6.How does Aetrix verify that 511ECA-BBAG is sourced from the original manufacturer or authorized distributors?

All 511ECA-BBAG 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 511ECA-BBAG meets industry standards.

7.What is the process for return or replacement of 511ECA-BBAG?

All 511ECA-BBAG units undergo pre-shipment inspection (PSI). If there is an issue with 511ECA-BBAG, 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 511ECA-BBAG part is unused and in its original packaging.

Return procedure for 511ECA-BBAG:

1.Submit a request within 90 days.

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

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