ADF4156BCPZ-RL7

Overview

Product Category

The ADF4156BCPZ-RL7 belongs to the category of integrated circuits (ICs) specifically designed for frequency synthesis applications.

Use

This product is primarily used in various communication systems, such as wireless infrastructure, satellite communications, and radar systems. It enables precise frequency synthesis, making it an essential component in these applications.

Characteristics

• High-frequency resolution: The ADF4156BCPZ-RL7 offers excellent frequency resolution, allowing for precise frequency synthesis.
• Wide frequency range: This IC supports a wide frequency range, making it versatile for different applications.
• Low phase noise: It provides low phase noise performance, ensuring high-quality signal generation.
• Fast switching speed: The ADF4156BCPZ-RL7 offers fast switching speed, enabling rapid frequency changes when required.

Package and Quantity

The ADF4156BCPZ-RL7 is available in a compact lead-free 32-lead LFCSP package. It is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

• Frequency Range: 35 MHz to 4400 MHz
• Resolution: 0.1 Hz
• Supply Voltage: 3.0 V to 3.6 V
• Phase Noise: -100 dBc/Hz @ 10 kHz offset
• Output Power: -4 dBm to +5 dBm
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADF4156BCPZ-RL7 features a 32-pin configuration. Here is a detailed pinout description:

1. VDD: Positive power supply
2. GND: Ground
3. CE: Chip enable
4. LD: Lock detect
5. MUXOUT: Multiplexer output
6. DGND: Digital ground
7. CLK: Clock input
8. DATA: Serial data input
9. LE: Latch enable
10. RFA: RF output port A
11. VDDA: Positive power supply for RF output A
12. GND: Ground
13. VDD: Positive power supply
14. GND: Ground
15. RFB: RF output port B
16. VDDB: Positive power supply for RF output B
17. GND: Ground
18. AVDD: Analog positive power supply
19. AGND: Analog ground
20. CP: Charge pump output
21. VTUNE: Voltage tuning input
22. DVDD: Digital positive power supply
23. DGND: Digital ground
24. DVDD: Digital positive power supply
25. DGND: Digital ground
26. DVDD: Digital positive power supply
27. DGND: Digital ground
28. DVDD: Digital positive power supply
29. DGND: Digital ground
30. DVDD: Digital positive power supply
31. DGND: Digital ground
32. DVDD: Digital positive power supply

Functional Features

The ADF4156BCPZ-RL7 offers several functional features that enhance its performance and usability:

1. Fractional-N synthesizer: It utilizes a fractional-N architecture, allowing for precise frequency synthesis with high resolution.
2. Programmable modulus: The modulus of the fractional-N divider can be programmed, enabling flexible frequency selection.
3. Fast lock time: The IC achieves fast lock times, minimizing the time required for frequency settling.
4. Low spurious output: It ensures low spurious output, reducing interference in communication systems.
5. On-chip VCO: The ADF4156BCPZ-RL7 integrates an on-chip voltage-controlled oscillator (VCO), simplifying system design.

Advantages and Disadvantages

Advantages

• High-frequency resolution enables precise frequency synthesis.
• Wide frequency range allows for versatile application in various communication systems.
• Low phase noise ensures high-quality signal generation.
• Fast switching speed facilitates rapid frequency changes.

Disadvantages

• Limited output power range may not be suitable for certain high-power applications.
• Requires careful consideration of power supply requirements for optimal performance.

Working Principles

The ADF4156BCPZ-RL7 operates based on a fractional-N frequency synthesis technique. It utilizes a phase-locked loop (PLL) architecture to generate the desired output frequency. The PLL compares the divided output frequency with a reference frequency, adjusting the division ratio to achieve accurate frequency synthesis. The integrated VCO generates the output frequency, which is then divided and compared within the PLL feedback loop.

Application Field Plans

The ADF4156BCPZ-RL7 finds extensive use in the following application fields:

1. Wireless Infrastructure: It is employed in base stations, transceivers, and repeaters to enable precise frequency