Analog Devices Inc. ADF4355BCPZ

Manufacturer: Analog Devices Inc.
SEMICON NO: ADF4355BCPZ
Package: 32-LFCSP (5x5)
Stock: In stock
Description: IC FANOUT DIST 32LFCSP

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Manufacturer	Analog Devices Inc.
Part Number	ADF4355BCPZ
Type	Wideband Synthesizer with Integrated VCO
Frequency Range	RF Output: 54 MHz to 6.8 GHz
Phase Noise Performance	- Low phase noise VCO - Typical -110 dBc/Hz @ 100 kHz offset (at 1 GHz)
Power Supply Voltage	V_P: 3.0 V to 3.6 V V_VCO: 4.75 V to 5.25 V
Power Consumption	~1.5 W (typical, depending on configuration)
Output Power	Adjustable: -4 dBm to +5 dBm (software programmable)
Modulation & Control	- 32-bit fractional-N & integer-N PLL - Programmable RF output divider (1/2/4/8/16/32/64) - 10-bit RF power control
Reference Input	- Frequency: Up to 250 MHz - Input Level: -10 dBm to +5 dBm
Phase Detector (PFD) Frequency	Up to 110 MHz
Lock Time	< 50 µs (typical, fast-lock mode)
Digital Interface	SPI (4-wire, up to 40 MHz)
Key Features	- Integrated VCO & loop filter - Low spurious & phase noise - Frequency hopping capability - Hardware & software power-down modes
Operating Temperature	-40°C to +85°C
Package	32-LFCSP (5x5)

ADF4355BCPZ frequency synthesizer | Fractional-N synthesizer

Basic Information

TheADF4355BCPZ is a wideband fractional-N phase-locked loop (PLL) frequency synthesizer with an integrated ultra-low-noise voltage-controlled oscillator (VCO) from Analog Devices. It is designed to generate frequencies ranging from 54 MHz to 6800 MHz, making it suitable for a variety of high-frequency applications. The device features a programmable dual modulus prescaler of 4/5 or 8/9, and it supports programmable divide-by-1, 2, 4, 8, 16, 32, or 64 output options. It operates with analog and digital power supplies of 3.3 V and charge pump and VCO power supplies of 5.0 V typical.

Features

The ADF4355BCPZ offers several advanced features, including fractional-N and integer-N synthesizer capabilities, a high-resolution 38-bit modulus, and low phase noise performance. It also provides programmable output power levels, an RF output mute function, and a 3-wire serial interface for easy control. The device includes both analog and digital lock detect functions, ensuring reliable operation in various applications. Additionally, it supports a wide range of RF output frequencies through its integrated VCO and programmable dividers.

Applications

The ADF4355BCPZ is suitable for a wide range of applications due to its wide frequency range and low phase noise. It is commonly used in microwave radios, radar systems, and other high-frequency communication applications. Its ability to generate frequencies from 54 MHz to 6800 MHz makes it ideal for applications requiring high-frequency synthesis, such as in aerospace and defense systems, test and measurement equipment, and wireless communication infrastructure.

Selection Advantages

Choosing the ADF4355BCPZ offers several advantages. Its wide frequency range and low phase noise make it suitable for high-performance applications where precision and reliability are critical. The device’s programmable features, such as the dual modulus prescaler and output dividers, provide flexibility in system design. Additionally, its integrated VCO and fractional-N synthesizer capabilities simplify the design process and reduce the need for external components.

Alternatives and Similar Models

ADF4355BCPZ
ADF4355-3BCPZ
ADF4355-2BCPZ

Usage Precautions

When using the ADF4355BCPZ, it is important to carefully manage power supply decoupling to minimize noise and ensure stable operation. Proper matching of the RF output stage is also crucial for optimal performance, especially when high output power levels are required. Additionally, designers should ensure that the reference input frequency and loop filter design are appropriate for the desired output frequency and phase noise performance. Finally, careful handling and storage are necessary to avoid damage due to electrostatic discharge (ESD) and moisture.