Overview
The LTC6948IUFD-2#PBF is a high-performance, low-noise phase-locked loop (PLL) synthesizer with a fully integrated Voltage-Controlled Oscillator (VCO) from Analog Devices Inc. This device is designed for high-frequency applications, offering exceptional performance in terms of phase noise and spurious levels. It includes a reference divider, phase-frequency detector (PFD), ultralow noise charge pump, fractional feedback divider, and VCO output divider. The fractional divider utilizes an advanced 4th order Δ∑ modulator, enabling wide loop bandwidths and extremely low integrated phase noise values.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Maximum Operating Supply Voltage (V) | 3.45 | Minimum Operating Supply Voltage (V) | 3.15 |
| Package Style | 28-lead plastic QFN | Pin Count | 28 |
| Operating Temperature Range | -40°C to 105°C | VCO Frequency Range | 3.080 to 4.910 GHz (O-DIV = 1) |
| Reference Input Frequency | Up to 425 MHz | Input Duty Cycle | 50% |
| Normalized In-Band Phase Noise Floor | -226 dBc/Hz (typ) | Normalized In-Band 1/f Phase Noise | -274 dBc/Hz (typ) |
| Output Divider Range | 1 to 6 | Output Duty Cycle | 50% |
Key Features
- Suitable for high-frequency applications, including wireless base stations, microwave data links, and test and measurement equipment.
- Low jitter and phase noise, with an advanced 4th order Δ∑ modulator for exceptionally low spurious levels.
- Fast frequency switching and support for the fracNWizard™ software design tool.
- Output buffer muting and reference input frequency up to 425 MHz.
- Compact 28-lead plastic QFN package and low power consumption, making it suitable for portable and battery-operated devices.
Applications
- Wireless infrastructure (LTE, WiMAX, W-CDMA, PCS).
- Microwave data links and military and secure radio systems.
- Test and measurement equipment.
- RFID systems, satellite communications, and aerospace applications.
Q & A
- Q: What is the LTC6948IUFD-2#PBF?
A: The LTC6948IUFD-2#PBF is a high-performance, low-noise phase-locked loop (PLL) synthesizer with a fully integrated VCO from Analog Devices Inc..
- Q: What are the key specifications of the LTC6948IUFD-2#PBF?
A: Key specifications include a VCO frequency range of 3.080 to 4.910 GHz, operating temperature range of -40°C to 105°C, and a 28-lead plastic QFN package.
- Q: What are the typical applications of the LTC6948IUFD-2#PBF?
A: Typical applications include wireless base stations, microwave data links, test and measurement equipment, RFID systems, satellite communications, and aerospace applications.
- Q: How does the LTC6948IUFD-2#PBF achieve low phase noise?
A: The device uses an advanced 4th order Δ∑ modulator, which provides exceptionally low spurious levels and allows for wide loop bandwidths, resulting in extremely low integrated phase noise values.
- Q: What is the input duty cycle of the LTC6948IUFD-2#PBF?
A: The input duty cycle is 50%.
- Q: How can I order the LTC6948IUFD-2#PBF?
A: You can order the LTC6948IUFD-2#PBF by selecting the 'Add to Cart' button on the product listing page and proceeding to the checkout page to enter your payment and shipping information.
- Q: What is the warranty period for the LTC6948IUFD-2#PBF?
A: The warranty period is 1 year, covering any defects in materials and workmanship under normal use.
- Q: How does Ovaga ensure the authenticity of the LTC6948IUFD-2#PBF?
A: Ovaga rigorously tests and verifies the credentials of original Analog Devices, Inc. manufacturers and authorized agents to ensure authenticity.
- Q: Where can I find detailed information about the LTC6948IUFD-2#PBF?
A: You can find detailed information, including application notes, factory information, and images, on the Analog Devices, Inc. information page or by using Ovaga's intelligent search engine.
- Q: Are the price and stock information for the LTC6948IUFD-2#PBF accurate?
A: Inventory levels and pricing are periodically updated, but it is recommended to confirm with an Ovaga salesperson or customer service representative before finalizing your order.
