CDCE949PWRG4

Overview

CDCE949PWRG4 is a product belonging to the category of clock generators. It is commonly used in electronic devices to generate precise clock signals for synchronization purposes. The CDCE949PWRG4 offers various characteristics such as high frequency accuracy, low jitter, and programmable output frequencies.

The package of CDCE949PWRG4 is a small outline integrated circuit (SOIC) with 20 pins. It is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications and Parameters

• Frequency Accuracy: ±50 ppm
• Jitter: <1 ps RMS
• Output Frequencies: Programmable from 10 MHz to 200 MHz
• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of CDCE949PWRG4 is as follows:

1. VDDA
2. GND
3. XIN
4. XOUT
5. SDA
6. SCL
7. VDD
8. VDDO
9. VDDO
10. VDDO
11. VDDO
12. VDDO
13. VDDO
14. VDDO
15. VDDO
16. VDDO
17. VDDO
18. VDDO
19. VDDO
20. VDDO

Functional Characteristics

CDCE949PWRG4 provides the following functional characteristics:

• Clock Synthesis: Generates precise clock signals based on input reference frequency.
• Frequency Programming: Allows users to program the desired output frequency within the specified range.
• Spread Spectrum Modulation: Supports spread spectrum modulation for reducing electromagnetic interference.
• Power Management: Provides power management features to optimize power consumption.

Advantages and Disadvantages

Advantages of CDCE949PWRG4: - High frequency accuracy ensures reliable synchronization. - Low jitter results in improved signal integrity. - Programmable output frequencies offer flexibility for various applications. - Spread spectrum modulation reduces electromagnetic interference.

Disadvantages of CDCE949PWRG4: - Limited operating temperature range (-40°C to +85°C). - Requires external reference clock source.

Applicable Range of Products

CDCE949PWRG4 is suitable for a wide range of electronic devices that require precise clock signals, such as communication equipment, computer systems, and consumer electronics.

Working Principles

CDCE949PWRG4 operates by taking an input reference clock signal and using internal PLL (Phase-Locked Loop) circuits to generate the desired output clock frequency. The device allows users to program the output frequency through its control interface.

Detailed Application Field Plans

CDCE949PWRG4 can be used in various applications, including:

1. Networking Equipment: Provides synchronized clock signals for data transmission and processing.
2. Test and Measurement Instruments: Ensures accurate timing for precise measurements.
3. Audio/Video Systems: Synchronizes audio and video components for seamless playback.
4. Industrial Automation: Facilitates precise timing in control systems.
5. Automotive Electronics: Supports clock synchronization in automotive applications.

Detailed Alternative Models

Some alternative models to CDCE949PWRG4 include:

1. CDCE913PWRG4
2. CDCE925PWRG4
3. CDCE937PWRG4
4. CDCE961PWRG4
5. CDCE973PWRG4

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of CDCE949PWRG4? A: The maximum programmable output frequency is 200 MHz.

2. Q: Can CDCE949PWRG4 operate with a different supply voltage? A: No, the device requires a supply voltage of 3.3 V.

3. Q: Does CDCE949PWRG4 support spread spectrum modulation? A: Yes, it supports spread spectrum modulation for reducing electromagnetic interference.

4. Q: What is the operating temperature range of CDCE949PWRG4? A: The device can operate within the temperature range of -40°C to +85°C.

5. Q: Is CDCE949PWRG4 suitable for automotive applications? A: Yes, it can be used in automotive electronics for clock synchronization.

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