Overview
The AD9518-3ABCPZ-RL7, produced by Analog Devices Inc., is a 6-output clock generator integrated with a 2.0 GHz voltage-controlled oscillator (VCO). This device is designed to provide multi-output clock distribution with subpicosecond jitter performance, making it ideal for applications requiring high precision and low jitter. The on-chip VCO tunes from 1.75 GHz to 2.25 GHz, and an external VCO/VCXO up to 2.4 GHz can also be used. The AD9518-3 emphasizes low jitter and phase noise, which is crucial for maximizing data converter performance and other applications with demanding phase noise and jitter requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VCO Frequency Range | 1.75 GHz | - | 2.25 GHz | - | On-chip VCO |
| External VCO/VCXO Frequency Range | - | - | 2.4 GHz | - | Optional |
| LVPECL Output Frequency | - | - | 1.6 GHz | - | Per output pair |
| Output Jitter | - | 225 fs | - | rms | Additive output jitter |
| Supply Voltage | 3.3 V | - | - | V | Single supply |
| LVPECL Power Supply | 2.5 V | 3.3 V | - | V | Nominal |
| Operating Temperature Range | -40°C | - | +85°C | - | Industrial range |
| Package Type | - | - | - | - | 48-lead LFCSP |
Key Features
- Integrated 2.0 GHz VCO with a tuning range of 1.75 GHz to 2.25 GHz.
- Option to use an external VCO/VCXO up to 2.4 GHz.
- Six LVPECL outputs in three pairs, each operating up to 1.6 GHz.
- Each output pair has dividers allowing both divide ratio and coarse phase delay to be set, with a division range of 1 to 32.
- Low jitter and phase noise to maximize data converter performance.
- Single 3.3 V supply operation with optional separate LVPECL power supply from 2.5 V to 3.3 V.
- Industrial temperature range operation from -40°C to +85°C.
- 48-lead LFCSP package.
- Serial control port for digital configuration and monitoring.
Applications
- Clocking high-speed ADCs, DACs, DDSs, DDCs, DUCs, and MxFEs.
- High-performance wireless transceivers.
- Automated Test Equipment (ATE) and high-performance instrumentation.
- Other applications requiring low jitter and phase noise, such as data converters and high-speed digital systems.
Q & A
- What is the frequency range of the on-chip VCO in the AD9518-3?
The on-chip VCO tunes from 1.75 GHz to 2.25 GHz.
- Can an external VCO/VCXO be used with the AD9518-3?
- How many LVPECL outputs does the AD9518-3 have and what is their frequency range?
The AD9518-3 has six LVPECL outputs in three pairs, each operating up to 1.6 GHz.
- What is the division range for the LVPECL outputs?
The division range for the LVPECL outputs is 1 to 32.
- What is the typical additive output jitter of the AD9518-3?
The typical additive output jitter is 225 fs rms.
- What is the operating supply voltage for the AD9518-3?
The AD9518-3 operates from a single 3.3 V supply.
- What is the operating temperature range for the AD9518-3?
The operating temperature range is from -40°C to +85°C.
- What package type is the AD9518-3 available in?
The AD9518-3 is available in a 48-lead LFCSP package.
- What are some common applications for the AD9518-3?
Common applications include clocking high-speed ADCs, DACs, DDSs, DDCs, DUCs, MxFEs, high-performance wireless transceivers, and ATE and high-performance instrumentation.
- Does the AD9518-3 have a serial control port?
