Si570 148.5 MHz LVDS Oscillator Equivalent & Substitute Parts

Part Overview

The Skyworks Solutions Si570 series represents a programmable XO (Standard) crystal oscillator designed for 148.5 MHz LVDS output applications. The main reference part 570BBA002069DG is an active product in production, supplied in 8-SMD, No Lead surface mount packaging with 3.3V supply voltage and Enable/Disable reprogrammable functionality. Substitute parts are identified when equivalent electrical and mechanical specifications are maintained across the same product family, ensuring direct interchangeability in circuit designs without modification to PCB layouts or signal integrity requirements.

Substiute Parts

570BBA002069DG

Skyworks Solutions Inc.In Stock: 696570BBA002069DG Datasheet

Current PartRFQ

570BBC000159DG

Skyworks Solutions Inc.In Stock: 1179570BBC000159DG Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Si570 148.5 MHz LVDS oscillator is determined by strict equivalence across the following critical parameters:

• Frequency: 148.5 MHz (exact match required)
• Output Configuration: LVDS (no alternative output types)
• Supply Voltage: 3.3V (no voltage variants)
• Function: Enable/Disable Reprogrammable capability
• Frequency Stability: ±20ppm tolerance
• Operating Temperature: -40°C to 85°C range
• Package: 8-SMD, No Lead form factor
• Physical Dimensions: 7.00mm x 5.00mm x 1.80mm maximum height
• Compliance: ROHS3 Compliant, MSL 1 rating

The substitute part 570BBC000159DG meets all specified electrical and mechanical parameters, maintaining identical performance characteristics and PCB compatibility with the main reference part 570BBA002069DG.

Parameter Comparison

Engineering Selection Recommendations

Both 570BBA002069DG and 570BBC000159DG are active production parts from Skyworks Solutions Inc., ensuring long-term availability and supply chain stability. Both parts carry ROHS3 compliance certification and MSL 1 moisture sensitivity rating, meeting environmental and reliability standards for industrial and commercial applications.

Selection between these parts may be based on inventory availability and lead time requirements. The substitute part 570BBC000159DG currently maintains higher inventory levels (1141 Pcs) compared to the main part (658 Pcs), providing supply flexibility for high-volume production schedules.

No electrical performance trade-offs exist between the two parts. Both deliver identical frequency stability, current consumption profiles, and temperature operating ranges. PCB layout and design files require no modification when transitioning between these parts.

Frequently Asked Questions (FAQ)

Q: Can 570BBC000159DG be used as a direct replacement for 570BBA002069DG?

A: Yes. Both parts are electrically and mechanically equivalent across all specified parameters. No circuit modifications or PCB redesign is required for substitution.

Q: Are there any differences in frequency accuracy between these parts?

A: No. Both parts maintain ±20ppm frequency stability across the -40°C to 85°C operating temperature range.

Q: Do these parts require different PCB footprints?

A: No. Both parts use identical 8-SMD, No Lead packaging with 7.00mm x 5.00mm footprint dimensions, ensuring direct PCB compatibility.

Q: What is the significance of the Enable/Disable reprogrammable function?

A: This function allows the oscillator output to be controlled via a logic signal, enabling power management and dynamic frequency adjustment within the Si570 programmable range without requiring component replacement.

Q: Are both parts suitable for military or aerospace applications?

A: Compliance information is limited to ROHS3 and MSL 1 ratings provided in the specifications. Additional qualification requirements for military or aerospace use must be verified against application-specific standards.

Q: What is the difference between base product numbers 570BBA and 570BBC?

A: Base product numbers indicate different internal design revisions or manufacturing process generations within the Si570 family. Both maintain identical electrical specifications and are fully interchangeable for the 148.5 MHz LVDS configuration.