Overview
The ADF4002BCPZ-RL from Analog Devices Inc. is a high-performance phase-locked loop (PLL) frequency synthesizer designed for various RF applications. This device is part of the ADF4002 series and is particularly suited for implementing local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. It features a low noise digital phase frequency detector (PFD), a precision charge pump, a programmable reference divider, and a programmable N divider, making it versatile for clock conditioning, clock generation, and IF/LO generation.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Package Type | TSSOP-16 | - | SMD/SMT |
| Operating Temperature Range | -40°C to +85°C | °C | Industrial |
| Storage Temperature Range | -65°C to +125°C | °C | - |
| Maximum Junction Temperature | 150°C | °C | - |
| AVDD (Analog Supply Voltage) | 2.7 V to 3.3 V | V | - |
| DVDD (Digital Supply Voltage) | 2.7 V to 3.3 V | V | Must be the same value as AVDD |
| VP (Charge Pump Supply Voltage) | ≥ AVDD, up to 5.5 V | V | - |
| Phase Detector Frequency | Up to 104 MHz | MHz | - |
| Reference Frequency (REFIN) | Up to 5 MHz | MHz | - |
| RF Frequency Range | Up to 400 MHz | MHz | - |
| Normalized Phase Noise Floor | -222 dBc/Hz | dBc/Hz | PLL loop bandwidth = 500 kHz, measured at 100 kHz offset |
Key Features
- Low Noise Digital Phase Frequency Detector (PFD): Ensures high accuracy and stability in frequency synthesis.
- Precision Charge Pump: Provides programmable charge pump currents for flexible system design.
- Programmable Reference Divider and N Divider: Allows for a wide range of frequency settings and configurations.
- 3-Wire Serial Interface: Simplifies data input and control through a serial interface.
- Analog and Digital Lock Detect: Offers both analog and digital lock detect mechanisms for robust phase locking.
- Hardware and Software Power-Down Mode: Reduces power consumption when the device is not in use.
- High Impedance CMOS Inputs: Minimizes loading effects on input signals.
Applications
- Clock Conditioning: Used to clean up and stabilize clock signals in various systems.
- Clock Generation: Generates stable clock signals for system timing.
- IF/LO Generation: Implements local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters.
- Wireless Communication Systems: Suitable for use in cellular base stations, wireless local area networks (WLAN), and other RF communication systems.
Q & A
- What is the operating temperature range of the ADF4002BCPZ-RL?
The operating temperature range is -40°C to +85°C.
- What is the maximum junction temperature for this device?
The maximum junction temperature is 150°C.
- What are the supply voltage ranges for AVDD and DVDD?
Both AVDD and DVDD can range from 2.7 V to 3.3 V and must be the same value.
- What is the maximum phase detector frequency supported by the ADF4002BCPZ-RL?
The maximum phase detector frequency is up to 104 MHz.
- How does the device support lock detection?
The device supports both analog and digital lock detect mechanisms.
- What is the purpose of the 3-wire serial interface?
The 3-wire serial interface simplifies data input and control for the device.
- Can the ADF4002BCPZ-RL be used as a standalone PFD and charge pump?
Yes, by programming R and N to 1, the device can be used as a standalone PFD and charge pump.
- What are some common applications of the ADF4002BCPZ-RL?
Common applications include clock conditioning, clock generation, IF/LO generation, and wireless communication systems.
- What is the normalized phase noise floor of the ADF4002BCPZ-RL?
The normalized phase noise floor is -222 dBc/Hz at a PLL loop bandwidth of 500 kHz and measured at a 100 kHz offset.
- How does the device handle power-down modes?
The device supports both hardware and software power-down modes to reduce power consumption when not in use.
