Overview
The ADF4113BRU is a high-performance integer-N frequency synthesizer produced by Analog Devices Inc. This component is part of the ADF4110 family and is designed for use in various wireless communication systems. It features a low noise digital phase frequency detector (PFD), a precision charge pump, and programmable reference and N dividers. The synthesizer is highly versatile and can be used in the implementation of local oscillators in both upconversion and downconversion sections of wireless receivers.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Operating Temperature Range | −40°C to +85°C | °C | B Version |
| Power Supply Voltage | 2.7 V to 5.5 V | V | AVDD and DVDD |
| RF Input Frequency Range | 0.2 GHz to 3.7 GHz | GHz | For lower frequencies, ensure SR > 130 V/μs |
| RF Input Sensitivity | −15 dBm to 0 dBm | dBm | Min/Max |
| Output Frequency Range | Up to 4.0 GHz | GHz | |
| Package Type | 16-Pin TSSOP | ||
| Current Consumption | 8.5 mA (typical), 11 mA (max) | mA | At TA = 25°C |
| Phase Noise Performance | −80 dBc/Hz (typ) @ 1 MHz offset and 1 MHz PFD frequency | dBc/Hz |
Key Features
- Low Noise Digital Phase Frequency Detector (PFD): Ensures high stability and low phase noise in the output signal.
- Precision Charge Pump: Allows for precise control over the VCO tuning voltage.
- Programmable Reference and N Dividers: Provides flexibility in setting the output frequency.
- Digital Lock Detect: Indicates when the loop is locked, ensuring stable operation.
- Power-Down Mode: Reduces current consumption to 1 µA (typical) when not in use.
- Wide Operating Voltage Range: From 2.7 V to 5.5 V, making it suitable for various power supply configurations.
Applications
- Wireless Communication Systems: Used in the implementation of local oscillators in upconversion and downconversion sections of wireless receivers.
- Base Stations and Point-to-Point Radio Systems: For IF/RF local oscillator (LO) generation.
- Wireless LANs and PMR Communications: Suitable for various wireless communication protocols.
- Test Equipment: Used in communication test equipment due to its high precision and stability.
- Analog-to-Digital and Digital-to-Analog Converters: Provides a stable clock source for these converters.
Q & A
- What is the operating temperature range of the ADF4113BRU?
The operating temperature range is from −40°C to +85°C.
- What is the power supply voltage range for the ADF4113BRU?
The power supply voltage range is from 2.7 V to 5.5 V.
- What is the maximum RF input frequency for the ADF4113BRU?
The maximum RF input frequency is 3.7 GHz.
- What is the typical current consumption of the ADF4113BRU?
The typical current consumption is 8.5 mA at TA = 25°C.
- Does the ADF4113BRU have a power-down mode?
Yes, it has a power-down mode that reduces current consumption to 1 µA (typical) when not in use.
- What type of package does the ADF4113BRU come in?
The ADF4113BRU comes in a 16-Pin TSSOP package.
- What are some common applications of the ADF4113BRU?
Common applications include wireless communication systems, base stations, point-to-point radio systems, wireless LANs, PMR communications, and test equipment.
- How does the ADF4113BRU ensure low phase noise?
The ADF4113BRU ensures low phase noise through its low noise digital phase frequency detector (PFD) and precision charge pump.
- Can the ADF4113BRU be used with high voltage VCOs?
No, the ADF4113BRU is not specifically designed for high voltage VCOs; for such applications, the ADF4113HV model is more suitable.
- What is the phase noise performance of the ADF4113BRU?
The phase noise performance is typically −80 dBc/Hz at 1 MHz offset and 1 MHz PFD frequency.
