Overview
The ADF4112BRU is a high-performance RF PLL frequency synthesizer produced by Analog Devices Inc. This device is part of the ADF4110 family, which is designed to implement local oscillators in various wireless communication systems. The ADF4112BRU operates up to a maximum frequency of 3.0 GHz, making it suitable for a wide range of applications including base stations, wireless handsets, and communications test equipment.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Maximum Operating Frequency | The highest frequency at which the device can operate | 3.0 GHz |
| Power Supply Range | The voltage range for the power supply | 2.7 V to 5.5 V |
| Package Type | The physical package of the IC | 16-Lead Thin Shrink Small Outline Package (TSSOP) |
| Operating Temperature Range | The temperature range in which the device can operate | -40°C to +85°C |
| Prescaler Values | Programmable dual-modulus prescaler values | 8/9, 16/17, 32/33, 64/65 |
| Charge Pump Supply | Separate charge pump supply voltage range | AVDD ≤ VP ≤ 6 V |
| Interface | Type of serial interface | 3-wire serial interface |
Key Features
- Low Noise Digital PFD: Features a low noise digital phase frequency detector.
- Precision Charge Pump: Includes a precision charge pump for stable frequency synthesis.
- Programmable Reference Divider: Allows for programmable reference divider settings.
- Programmable A and B Counters: Features programmable A and B counters for flexible frequency synthesis.
- Programmable Charge Pump Currents: Enables programmable charge pump currents for customized performance.
- Programmable Antibacklash Pulse Width: Supports programmable antibacklash pulse width for improved phase noise performance.
- Analog and Digital Lock Detect: Includes both analog and digital lock detect mechanisms.
- Hardware and Software Power-Down Mode: Allows for power-down modes to conserve energy when not in use.
Applications
- Base Stations for Wireless Radio: GSM, PCS, DCS, CDMA, WCDMA.
- Wireless Handsets: GSM, PCS, DCS, CDMA, WCDMA.
- Wireless LANs: For wireless local area network applications.
- Communications Test Equipment: Used in various test and measurement equipment.
- CATV Equipment: For cable television systems.
Q & A
- What is the maximum operating frequency of the ADF4112BRU?
The maximum operating frequency of the ADF4112BRU is 3.0 GHz.
- What is the power supply range for the ADF4112BRU?
The power supply range for the ADF4112BRU is from 2.7 V to 5.5 V.
- What type of package does the ADF4112BRU come in?
The ADF4112BRU comes in a 16-Lead Thin Shrink Small Outline Package (TSSOP).
- What are the programmable prescaler values for the ADF4112BRU?
The programmable prescaler values are 8/9, 16/17, 32/33, and 64/65.
- Does the ADF4112BRU have a separate charge pump supply?
- What type of serial interface does the ADF4112BRU use?
The ADF4112BRU uses a 3-wire serial interface.
- What are some of the key features of the ADF4112BRU's phase frequency detector?
The ADF4112BRU features a low noise digital phase frequency detector.
- Can the ADF4112BRU be powered down when not in use?
- What are some common applications of the ADF4112BRU?
- What is the operating temperature range of the ADF4112BRU?
The operating temperature range is from -40°C to +85°C.
