A Comprehensive Guide to LTC6946IUFD-1 Clock/Frequency Synthesizer

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Published: 06 March 2024 | Last Updated: 06 March 2024

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LTC6946IUFD-1

LTC6946IUFD-1

Linear Technology/Analog Devices

Clock/Frequency Synthesizer (RF/IF), Integer N LTC6946 Clock Generators 28 Pins 28-WFQFN Exposed Pad Surface Mount 3.15V~5.25V Tube

Purchase Guide

Clock/Frequency Synthesizer (RF/IF), Integer N LTC6946 Clock Generators 28 Pins 28-WFQFN Exposed Pad Surface Mount 3.15V~5.25V Tube

This article provides an in-depth analysis of the LTC6946IUFD-1 Clock/Frequency Synthesizer from Linear Technology/Analog Devices. It covers the product description, key features, applications, reference designs, alternative parts, and frequently asked questions to help electronic engineers understand and utilize this component effectively.

Product Introduction

1. Description:
The LTC6946IUFD-1 is a Clock/Frequency Synthesizer (RF/IF) integrated circuit designed to generate high-frequency signals with precision and accuracy. It operates over a wide temperature range from -40°C to 105°C and requires a supply voltage between 3.15V to 5.25V. With a maximum frequency output of 3.74GHz, this device is suitable for various applications in RF and IF systems.

2. Features:
- Integrated PLL for frequency synthesis
- Differential input and output for improved signal integrity
- Wide operating temperature range for versatility
- Surface mount package for easy integration into PCB designs
- High-frequency capability up to 3.74GHz
- Obsolete status, indicating mature technology and potential availability of alternative parts

3. Applications:
Primary Applications:
- Wireless communication systems
- Radar systems
- Test and measurement equipment
- Satellite communication systems
Secondary Applications:
- Industrial automation
- Medical devices
- Aerospace and defense systems
Applicable Specific Modules:
- RF transceivers
- Frequency modulators/demodulators
- Signal generators

4. Reference Designs:
The LTC6946IUFD-1 Clock/Frequency Synthesizer has been used in various reference designs by Linear Technology/Analog Devices. Some notable examples include:
- High-Frequency RF Synthesizer Design
- Wireless Communication System Design
- Radar Signal Processing System Design

5. Alternative Parts:
While the LTC6946IUFD-1 is an obsolete component, there are alternative parts available from Linear Technology/Analog Devices and other manufacturers. Some alternative parts that can be considered as replacements or upgrades include:
- LTC6946IUFD-2 (Improved version with additional features)
- LTC6946IUFD-3 (Higher frequency output version)
- ADIsimPLL (Software tool for PLL design and simulation)

6. FAQs:
Q: Is the LTC6946IUFD-1 suitable for high-frequency applications?
A: Yes, the LTC6946IUFD-1 can generate frequencies up to 3.74GHz, making it ideal for high-frequency RF and IF systems.

Q: Can the LTC6946IUFD-1 be used in industrial temperature environments?
A: Yes, the LTC6946IUFD-1 has a wide operating temperature range from -40°C to 105°C, making it suitable for industrial applications.

Q: Are there any software tools available for designing with the LTC6946IUFD-1?
A: Yes, ADIsimPLL is a software tool provided by Analog Devices for PLL design and simulation, which can be used for designing with the LTC6946IUFD-1.

Specifications

Linear Technology/Analog Devices LTC6946IUFD-1 technical specifications, attributes, parameters and parts with similar specifications to Linear Technology/Analog Devices LTC6946IUFD-1.
  • Type
    Parameter
  • Factory Lead Time
    14 Weeks
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    28-WFQFN Exposed Pad
  • Frequency(Max)
    3.74GHz
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~105°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tube
  • Published
    2015
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Obsolete
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Type
    Clock/Frequency Synthesizer (RF/IF), Integer N
  • Voltage - Supply

    Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.

    3.15V~5.25V
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    LTC6946
  • Pin Count

    a count of all of the component leads (or pins)

    28
  • Number of Circuits
    1
  • Input

    In electronic components, "Input" refers to the signal or data that is provided to a device or system for processing or manipulation. It is the information or command that is received by the component to initiate a specific function or operation. The input can come from various sources such as sensors, other electronic devices, or user interactions. It is crucial for the proper functioning of the component as it determines how the device will respond or behave based on the input received. Understanding and managing the input parameters is essential in designing and using electronic components effectively.

    Clock
  • Ratio - Input:Output

    The parameter "Ratio - Input:Output" in electronic components refers to the relationship between the input and output quantities of a device or system. It is a measure of how the input signal or energy is transformed or converted into the output signal or energy. This ratio is often expressed as a numerical value or percentage, indicating the efficiency or effectiveness of the component in converting the input to the desired output. A higher ratio typically signifies better performance or higher efficiency, while a lower ratio may indicate losses or inefficiencies in the conversion process. Understanding and optimizing the input-output ratio is crucial in designing and evaluating electronic components for various applications.

    1:1
  • PLL

    PLL stands for Phase-Locked Loop, which is a control system that generates an output signal whose phase is related to the phase of an input signal. It is commonly used in electronic components to synchronize, modulate, demodulate, filter, or recover a signal's frequency. A PLL typically consists of a phase detector, a loop filter, a voltage-controlled oscillator (VCO), and a feedback circuit. The PLL locks the phase of the output signal to the phase of the input signal, making it a versatile tool in various applications such as frequency synthesis, clock recovery, and frequency modulation.

    Yes
  • Differential - Input:Output

    Differential - Input:Output refers to the relationship between the input and output signals in differential amplifiers or circuits. It measures the difference in voltage between two input terminals and produces an output that is proportional to this difference. This parameter is essential for noise rejection and improving signal integrity in various applications, such as operational amplifiers and data acquisition systems. It allows circuits to effectively amplify small signals while minimizing interference and common-mode noise.

    Yes/Yes
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    Non-RoHS Compliant
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Datasheet PDF

Download datasheets and manufacturer documentation for Linear Technology/Analog Devices LTC6946IUFD-1.
LTC6946IUFD-1

Linear Technology/Analog Devices

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