The ADF4153BRU is a high-performance frequency synthesizer designed for RF applications operating in the range of 12.5 MHz to 6 GHz. It is a key component in many wireless communication systems, including satellite transceivers, cellular base stations, and radar systems.
The ADF4153BRU features a 25-bit fixed modulus, allowing frequency resolution as fine as 1 Hz. It offers a phase detector with a built-in precision comparator that can lock frequencies accurately within a phase error of 0.7° RMS. The phase/frequency detector can operate in both integer-N and fractional-N modes, providing flexibility in various applications.
With respect to phase noise performance, the ADF4153BRU offers excellent phase noise characteristics, enabling optimal signal integrity and minimal interference. It incorporates a programmable charge pump current that allows precise control of charge pump output in order to achieve desired loop filter characteristics.
Additionally, the ADF4153BRU provides a flexible power supply range from 2.7 V to 3.3 V, making it compatible with a wide range of systems. It also features a Data Clock (DCO) output for digital system synchronization and a Lock Detect (LD) output for monitoring the PLL lock status.
To facilitate easy integration into existing systems, the ADF4153BRU is housed in a compact 20-lead TSSOP package, making it suitable for space-constrained applications. It offers a serial interface for communication with external devices, allowing easy control and programming.
Overall, the ADF4153BRU is a versatile and high-performance frequency synthesizer, offering precise frequency synthesis, excellent phase noise characteristics, and flexible operational modes. Its compact form factor and easy integration capabilities make it an ideal choice for a wide range of RF applications.
