Skyworks Solutions Inc. 515CAA004711CAGR

Overview

515CAA004711CAGR from Skyworks Solutions is a voltage-controlled crystal oscillator (VCXO) with factory-programmed 47.11 MHz output, ±20 ppm temperature stability, ±120 ppm/V tuning slope, and LVPECL output format in a 3.2 × 5.0 mm 6-pin package. It delivers low jitter (0.9 ps RMS phase jitter, 12 kHz–20 MHz), high power supply noise rejection, and operates from –40 °C to +85 °C for telecom clocking applications.

For engineers reviewing the 515CAA004711CAGR datasheet, 515CAA004711CAGR pinout, 515CAA004711CAGR application, or 515CAA004711CAGR equivalent, this page provides verified specifications, package mapping, functional pin roles, real-world use cases in SONET/SDH systems, and validated alternative VCXOs for frequency-flexible timing design.

Technical Context

The 515CAA004711CAGR implements an all-digital PLL architecture with a fixed AT-cut fundamental-mode crystal, enabling precise 47.11 MHz generation without custom crystals. Its control voltage input (Vc) accepts 0.1×VDD to 0.9×VDD range with ±10% Kv variation and 1% linearity, supporting stable analog tuning in noisy environments.

It integrates programmable output enable (OE) polarity, supports 3.3 V supply, and features LVPECL differential outputs with 0.55–0.90 VPPSE swing, 565 ps max rise/fall time, and 48–52% duty cycle - optimized for low-jitter clock distribution to FPGAs and SERDES interfaces.

Key Specifications

Pinout & Package

Package: 3.2 × 5.0 mm, 6-pin surface-mount ceramic package (RoHS-compliant, Pb-free).

Key Features

Applications

Equivalent & Alternatives

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

Compared with Si514ACA004711CAGR, the 515CAA004711CAGR provides identical 47.11 MHz performance with enhanced future-proofing up to 250 MHz; versus DS3205Z-47.11M, it delivers 5× lower phase jitter, 2× better stability, and 30% smaller footprint - critical for next-gen compact optical modules.

Availability

515CAA004711CAGR is available at Aetrix Electronics and suitable for SONET/SDH line cards, PON optical line terminals, and FPGA-based packet switches requiring stable component supply, short lead times, and guaranteed RoHS-compliant sourcing.

Supply support for 515CAA004711CAGR 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 power management technologies.

The Si515 VCXO product line is engineered for high-reliability telecom and datacom infrastructure, delivering programmable, low-jitter clock sources that replace custom crystal oscillators with rapid-turnkey configuration.

FAQ

What is the exact output frequency and stability of the 515CAA004711CAGR?

The 515CAA004711CAGR is factory-programmed for a nominal output frequency of 47.11 MHz with ±20 ppm temperature stability across –40 °C to +85 °C. This specification is guaranteed per Skyworks' datasheet Table 3 and applies to the delivered unit without user calibration or trimming. The 515CAA004711CAGR achieves this stability using an AT-cut fundamental-mode crystal and digital PLL synthesis, eliminating crystal aging sensitivity beyond ±8.5 ppm over 10 years.

Does the 515CAA004711CAGR support LVPECL output with proper termination?

Yes, the 515CAA004711CAGR provides LVPECL output with a common-mode voltage of VDD – 1.4 V and differential swing of 0.55–0.90 VPPSE. It requires 50 Ω termination to VDD – 2 V on both CLK+ and CLK– pins. This configuration is validated in Skyworks' datasheet Table 4 and ensures signal integrity at 47.11 MHz with <10 ps inter-pair skew. The 515CAA004711CAGR's LVPECL driver is rated for continuous operation under these conditions.

What is the control voltage range and tuning slope for the 515CAA004711CAGR?

The 515CAA004711CAGR accepts a control voltage (Vc) from 0.1×VDD to 0.9×VDD - i.e., 0.33 V to 2.97 V at 3.3 V supply - with a factory-set tuning slope (Kv) of ±120 ppm/V. Its control voltage linearity is ±1% (BSL), and Kv variation is ±10%, as specified in Table 2 of the Skyworks datasheet. These parameters enable precise analog frequency adjustment for PLL lock in telecom timing applications using the 515CAA004711CAGR.

How does the 515CAA004711CAGR achieve low phase jitter?

The 515CAA004711CAGR achieves 0.9 ps RMS phase jitter (12 kHz–20 MHz) through its all-digital PLL architecture, fixed AT-cut crystal resonator, and high PSRR design. Its additive jitter due to 100 kHz VDD noise is only 4.0 ps RMS, per Table 5. This performance is measured at 47.11 MHz with LVPECL output and is guaranteed across temperature and voltage. The 515CAA004711CAGR's jitter specs meet OC-192/STM-64 requirements without external filtering.

Is the 515CAA004711CAGR pin-compatible with other Si515 variants?

Yes, all Si515 VCXOs - including the 515CAA004711CAGR - share identical 6-pin pinout for LVPECL/LVDS/HCSL/Dual CMOS configurations: Pin 1 = Vc, Pin 2 = OE, Pin 3 = GND, Pin 4 = CLK+, Pin 5 = CLK–, Pin 6 = VDD. This uniformity allows drop-in replacement across frequencies and output formats within the same package size (e.g., 3.2×5 mm). The 515CAA004711CAGR maintains full mechanical and electrical compatibility with other Si515 devices in this footprint.