Overview
The ADF4117BRUZ is a high-performance RF PLL (Phase-Locked Loop) frequency synthesizer produced by Analog Devices Inc. This device is part of the ADF4116/ADF4117/ADF4118 family and is designed to implement local oscillators in various RF and microwave applications, including up-conversion and down-conversion sections of transmitters and receivers.
Key Specifications
| Parameter | Value |
|---|---|
| Maximum Frequency | 1.2 GHz |
| Input Frequency Range | 100 MHz to 300 MHz |
| Output Frequency Range | Up to 1.2 GHz |
| Supply Voltage | 3 V to 6 V |
| Current Consumption | Typical: 4.5 mA, Maximum: 5.5 mA |
| Package Type | TSSOP-16 |
| Phase Noise at 1 kHz Offset | -87 dBc/Hz (at 900 MHz output) |
| Spurious Signals | -90 dBc typ (at 200 kHz/400 kHz and 200 kHz PFD frequency) |
| Low-Power Sleep Mode Current | 1 μA typical |
Key Features
- High-frequency operation up to 1.2 GHz
- Low phase noise performance
- Low spurious signals
- Low-power sleep mode for power efficiency
- 14-bit R counter, 13-bit B counter, and 5-bit A counter for flexible frequency synthesis
- Charge pump and phase frequency detector for stable loop operation
- Lock detect feature for indicating lock status
Applications
The ADF4117BRUZ is suitable for a variety of RF and microwave applications, including:
- Local oscillators in transmitters and receivers
- Base station transmitters using direct conversion architecture
- Wireless communication systems
- Radar systems
- Test and measurement equipment
Q & A
- What is the maximum frequency range of the ADF4117BRUZ?
The ADF4117BRUZ can operate up to a maximum frequency of 1.2 GHz. - What is the input frequency range for this device?
The input frequency range is from 100 MHz to 300 MHz. - What is the typical current consumption of the ADF4117BRUZ?
The typical current consumption is 4.5 mA. - What is the package type of the ADF4117BRUZ?
The package type is TSSOP-16. - How does the ADF4117BRUZ perform in terms of phase noise?
The phase noise at 1 kHz offset is typically -87 dBc/Hz at a 900 MHz output. - What are the spurious signal levels for the ADF4117BRUZ?
The spurious signals are typically -90 dBc at 200 kHz/400 kHz and 200 kHz PFD frequency. - Does the ADF4117BRUZ have a low-power mode?
Yes, it has a low-power sleep mode with a typical current consumption of 1 μA. - What counters are available on the ADF4117BRUZ for frequency synthesis?
The device includes a 14-bit R counter, a 13-bit B counter, and a 5-bit A counter. - What is the purpose of the charge pump and phase frequency detector in the ADF4117BRUZ?
The charge pump and phase frequency detector are used for stable loop operation and maintaining the phase lock. - Does the ADF4117BRUZ have a lock detect feature?
Yes, it includes a lock detect feature to indicate the lock status of the PLL.
