Overview
The ADF4212BRU from Analog Devices Inc. is a dual RF/IF phase-locked loop (PLL) frequency synthesizer. This device is designed to implement local oscillators (LO) in both RF and IF sections of various communication systems. It features a low-noise digital phase frequency detector (PFD), a precision charge pump, programmable reference dividers, and dual-modulus prescalers. The ADF4212BRU is particularly useful in applications requiring high-frequency stability and precision.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADF4212BRU |
| Category | Integrated Circuits (ICs) > Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers |
| Description | IC PLL FREQ SYNTHESIZER 20-TSSOP |
| Voltage - Supply | 2.7V ~ 5.5V |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Input | CMOS |
| Frequency - Max | 2.7GHz |
| PLL | Yes |
| Output | Clock |
| Operating Temperature | -40°C to +85°C |
Key Features
- Dual RF/IF PLL frequency synthesizer for implementing local oscillators in RF and IF sections.
- Low-noise digital phase frequency detector (PFD) and precision charge pump.
- Programmable reference dividers and dual-modulus prescalers.
- 14-bit reference counter and 15-bit RF/IF R counter for flexible frequency division.
- 6-bit and 12-bit programmable A and B counters for N divider implementation.
- Fastlock mode for quick lock times.
- Power-down modes for reducing power consumption.
Applications
The ADF4212BRU is suitable for various communication systems, including:
- CATV equipment
- Wireless communication systems
- Satellite communication systems
- RF and IF signal processing in general
Q & A
- What is the maximum frequency range of the ADF4212BRU?
The ADF4212BRU operates up to a maximum frequency of 2.7 GHz. - What type of package does the ADF4212BRU come in?
The ADF4212BRU comes in a 20-TSSOP package. - What is the operating temperature range of the ADF4212BRU?
The operating temperature range is -40°C to +85°C. - Does the ADF4212BRU support power-down modes?
Yes, the ADF4212BRU supports power-down modes to reduce power consumption. - What are the key components of the ADF4212BRU?
The key components include a low-noise digital PFD, a precision charge pump, programmable reference dividers, and dual-modulus prescalers. - How is the data programmed into the ADF4212BRU?
Data is clocked into a 24-bit input shift register and transferred to various latches based on control bits. - What is the purpose of the fastlock mode in the ADF4212BRU?
The fastlock mode is used to achieve quick lock times. - Can the ADF4212BRU be used in CATV equipment?
Yes, the ADF4212BRU is suitable for use in CATV equipment. - What is the supply voltage range for the ADF4212BRU?
The supply voltage range is 2.7V to 5.5V. - Is the ADF4212BRU a surface mount device?
Yes, the ADF4212BRU is a surface mount device.
