Skyworks Solutions Si569 VCXO 698.812335MHz Oscillator - Equivalent & Substitute Parts

Part Overview

The Skyworks Solutions 569AFBC000547ABG is a voltage-controlled crystal oscillator (VCXO) operating at 698.812335 MHz with LVPECL output, designed for applications requiring precise frequency control and enable/disable functionality. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary to support legacy system maintenance, ensure supply chain continuity, and maintain design compatibility in production environments.

Substiute Parts

569AFBC000547ABG

Skyworks Solutions Inc.In Stock: 1040569AFBC000547ABG Datasheet

Current PartRFQ

569AFBC000547ACG

Skyworks Solutions Inc.In Stock: 1177569AFBC000547ACG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for VCXO oscillators is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Critical Parameters (Must Match Exactly):

• Frequency: 698.812335 MHz
• Output Type: LVPECL
• Package Type: 8-SMD, No Lead
• Physical Dimensions: 0.276" L x 0.197" W (7.00mm x 5.00mm)
• Operating Temperature Range: -40°C ~ 85°C
• Frequency Stability: ±20ppm

Compatible Parameters (Within Specification):

• Supply Voltage: 2.5V, 3.3V (single or dual voltage operation acceptable)
• Maximum Supply Current: 170mA or lower
• Mounting Type: Surface Mount

The substitute part 569AFBC000547ACG meets all critical parameters and maintains electrical compatibility while offering improved product status (Active vs. Not For New Designs).

Parameter Comparison

Engineering Selection Recommendations

The 569AFBC000547ACG is the direct substitute for the 569AFBC000547ABG based on the following engineering criteria:

Electrical Compatibility: Both parts operate at identical frequency (698.812335 MHz), output type (LVPECL), supply voltage range (2.5V to 3.3V), frequency stability (±20ppm), and current specifications. The substitute provides additional specification data for Absolute Pull Range (±20ppm) and disable-mode current (83mA typical), which were not documented for the original part.

Mechanical Compatibility: Package type, dimensions, height, and mounting configuration are identical. Both components use 8-SMD, No Lead packaging with 7.00mm x 5.00mm footprint and 1.33mm maximum seated height, ensuring direct PCB compatibility without layout modifications.

Compliance and Certification: Both parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), meeting regulatory and environmental requirements. The substitute part carries Active product status, ensuring long-term availability and manufacturing support compared to the end-of-life status of the original part.

Supply Chain Consideration: The substitute part has higher inventory availability (1154 pcs vs. 931 pcs), supporting production continuity and reducing procurement risk.

Frequently Asked Questions (FAQ)

Q: Can the 569AFBC000547ACG be used as a direct replacement for the 569AFBC000547ABG in existing designs?

A: Yes. Both parts are electrically and mechanically identical in all critical parameters: frequency, output type, supply voltage, frequency stability, operating temperature range, and package configuration. No circuit modifications or PCB layout changes are required.

Q: What is the difference between the supply voltage specifications "2.5V, 3.3V" and "2.5V ~ 3.3V"?

A: The original part specifies discrete voltage options (2.5V or 3.3V), while the substitute specifies a continuous voltage range (2.5V to 3.3V). Both are compatible with standard 2.5V and 3.3V supply rails. The substitute's range specification provides additional flexibility for applications with variable supply voltages within this range.

Q: Why is the original part marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. The substitute part (569AFBC000547ACG) carries Active status, making it the appropriate choice for both legacy system support and new applications.

Q: Are there any differences in disable-mode current consumption?

A: The substitute part specifies disable-mode current at 83mA typical, while the original part does not provide this specification. This additional data may be useful for power management calculations in applications utilizing the enable/disable function.

Q: Is the package footprint identical between both parts?

A: Yes. Both parts use 8-SMD, No Lead packaging with identical dimensions (7.00mm x 5.00mm) and maximum height (1.33mm). PCB footprints and assembly processes require no modification.

Q: Do both parts meet the same regulatory and environmental standards?

A: Yes. Both parts are ROHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited), meeting equivalent regulatory and environmental requirements for industrial and commercial applications.