Overview
The AD9518-4ABCPZ is a high-performance, 6-output clock generator produced by Analog Devices Inc. This device is designed to provide multi-output clock distribution with exceptional subpicosecond jitter performance, making it ideal for applications requiring low phase noise and jitter. The AD9518-4 features an on-chip phase-locked loop (PLL) and a voltage-controlled oscillator (VCO) that tunes from 1.45 GHz to 1.80 GHz, with the option to use an external VCO/VCXO up to 2.4 GHz. This component is particularly suited for applications that demand high precision and stability in clock generation, such as data converters and other high-speed digital systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | ||
| Package | 48-lead LFCSP (Lead Frame Chip Scale Package) | Exposed Pad, CSP | |
| Number of Outputs | 6 | LVPECL outputs in three pairs | |
| Output Type | LVPECL | Low Voltage Positive Emitter-Coupled Logic | |
| Maximum Output Frequency | 1.8 GHz | Hz | |
| VCO Frequency Range | 1.45 GHz to 1.80 GHz | Hz | On-chip VCO |
| External VCO/VCXO Frequency Range | Up to 2.4 GHz | Hz | Optional |
| Supply Voltage | 3.135 V to 3.465 V | V | Nominal 3.3 V |
| Operating Temperature Range | -40°C to +85°C | °C | Industrial range |
| Input Types | CMOS, LVDS, LVPECL | Differential or single-ended reference inputs | |
| Divider Range | 1 to 32 | For LVPECL outputs |
Key Features
- Low phase noise and subpicosecond jitter performance
- On-chip PLL and VCO with a frequency range of 1.45 GHz to 1.80 GHz
- Option for external VCO/VCXO up to 2.4 GHz
- Six LVPECL outputs in three pairs, operating up to 1.6 GHz
- Reference monitoring capability with automatic revertive and manual reference switchover/holdover modes
- Programmable charge pump and phase/frequency detector
- Single 3.3 V supply with optional 5 V charge pump supply
- 48-lead LFCSP package with exposed pad
Applications
The AD9518-4ABCPZ is suitable for a variety of high-speed digital systems and applications that require precise clock generation, including:
- Data converters (ADCs and DACs)
- High-speed digital signal processing systems
- Telecommunication equipment
- Wireless infrastructure
- Test and measurement instruments
Q & A
- What is the primary function of the AD9518-4ABCPZ?
The AD9518-4ABCPZ is a multi-output clock generator that provides high-performance clock distribution with low phase noise and subpicosecond jitter. - What is the frequency range of the on-chip VCO?
The on-chip VCO tunes from 1.45 GHz to 1.80 GHz. - Can the AD9518-4ABCPZ use an external VCO/VCXO?
Yes, it can use an external VCO/VCXO up to 2.4 GHz. - How many LVPECL outputs does the AD9518-4ABCPZ have?
It has six LVPECL outputs in three pairs. - What is the maximum operating frequency of the LVPECL outputs?
The LVPECL outputs operate up to 1.6 GHz. - What is the supply voltage range for the AD9518-4ABCPZ?
The supply voltage range is 3.135 V to 3.465 V, with a nominal voltage of 3.3 V. - What is the operating temperature range of the AD9518-4ABCPZ?
The operating temperature range is -40°C to +85°C. - What types of input signals can the AD9518-4ABCPZ accept?
The device accepts CMOS, LVDS, and LVPECL input signals. - Does the AD9518-4ABCPZ support reference monitoring and switchover modes?
Yes, it supports reference monitoring and automatic revertive and manual reference switchover/holdover modes. - In what package is the AD9518-4ABCPZ available?
The AD9518-4ABCPZ is available in a 48-lead LFCSP (Lead Frame Chip Scale Package) with an exposed pad.
