Overview
The ADF4208BRUZ-RL is a dual RF phase-locked loop (PLL) frequency synthesizer produced by Analog Devices Inc. This component is designed to provide precise frequency synthesis for a wide range of RF applications. It operates within a frequency range of up to 2.0 GHz for RF1 and 1.1 GHz for RF2, making it suitable for various wireless and wired communication systems. The device is packaged in a 20-lead Thin Shrink Small Outline Package (TSSOP) and is available in a Pb-free version.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Frequency Range | RF1: Up to 2.0 GHz, RF2: Up to 1.1 GHz |
| Package Type | 20-Lead Thin Shrink Small Outline Package (TSSOP) |
| Operating Temperature Range | −40°C to +85°C |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Phase Noise (Typical) | −91 dBc/Hz @ 1750 MHz, −91 dBc/Hz @ 900 MHz |
| Spurious Signals (Typical) | −80/−84 dB @ 200 kHz/400 kHz offsets |
| PFD Frequency | Up to 200 kHz |
| Loop Bandwidth | Up to 35 kHz |
Key Features
- Dual RF PLL frequency synthesizer with independent RF1 and RF2 channels.
- High-frequency operation: RF1 up to 2.0 GHz and RF2 up to 1.1 GHz.
- Low phase noise performance: −91 dBc/Hz @ 1750 MHz and −91 dBc/Hz @ 900 MHz.
- Low spurious signals: −80/−84 dB @ 200 kHz/400 kHz offsets.
- Programmable charge pump current and loop filter components for optimal loop performance.
- Power-down mode to reduce power consumption when not in use.
- 22-bit data register for RF1 and RF2, allowing for precise frequency control.
Applications
The ADF4208BRUZ-RL is suitable for a variety of applications, including:
- Wireless communication systems such as cellular base stations, microwave links, and satellite communications.
- Wired communication systems including cable modems and broadband access equipment.
- Test and measurement equipment requiring high-frequency signal generation.
- Radar and military communication systems.
Q & A
- What is the operating frequency range of the ADF4208BRUZ-RL? The ADF4208BRUZ-RL operates within a frequency range of up to 2.0 GHz for RF1 and 1.1 GHz for RF2.
- What is the package type of the ADF4208BRUZ-RL? The device is packaged in a 20-lead Thin Shrink Small Outline Package (TSSOP).
- What is the operating temperature range of the ADF4208BRUZ-RL? The operating temperature range is −40°C to +85°C.
- What is the supply voltage range for the ADF4208BRUZ-RL? The supply voltage range is from 2.7 V to 5.5 V.
- What are the typical phase noise values for the ADF4208BRUZ-RL? The typical phase noise values are −91 dBc/Hz @ 1750 MHz and −91 dBc/Hz @ 900 MHz.
- Can the ADF4208BRUZ-RL be powered down when not in use? Yes, the device has a power-down mode to reduce power consumption when not in use.
- What is the PFD frequency range for the ADF4208BRUZ-RL? The PFD frequency range is up to 200 kHz.
- What are some common applications for the ADF4208BRUZ-RL? Common applications include wireless and wired communication systems, test and measurement equipment, and radar and military communication systems.
- How many bits does the data register for RF1 and RF2 have? The data register for both RF1 and RF2 is 22 bits.
- Is the ADF4208BRUZ-RL available in a Pb-free version? Yes, the ADF4208BRUZ-RL is available in a Pb-free version.
