SI5326A-B-GM

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Jitter Attenuator
• Characteristics: High-performance, low-jitter clock synthesis and distribution
• Package: 24-pin QFN package
• Essence: Provides precise clock signals for various electronic devices
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications and Parameters

• Input Frequency Range: 1 kHz to 710 MHz
• Output Frequency Range: 1 kHz to 945 MHz
• Output Format: LVPECL, LVDS, HCSL, or CMOS
• Supply Voltage: 2.5 V or 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SI5326A-B-GM has a total of 24 pins. The pin configuration is as follows:

1. XAXBYP: Crystal input pins
2. XAXBYN: Crystal input pins
3. XAXBXP: Crystal input pins
4. XAXBXN: Crystal input pins
5. VDDO: Output supply voltage
6. GND: Ground
7. VDD: Core supply voltage
8. SDA: I2C serial data input
9. SCL: I2C serial clock input
10. NC: No connection
11. OUT0P: Output 0 positive
12. OUT0N: Output 0 negative
13. OUT1P: Output 1 positive
14. OUT1N: Output 1 negative
15. OUT2P: Output 2 positive
16. OUT2N: Output 2 negative
17. OUT3P: Output 3 positive
18. OUT3N: Output 3 negative
19. OUT4P: Output 4 positive
20. OUT4N: Output 4 negative
21. NC: No connection
22. NC: No connection
23. NC: No connection
24. NC: No connection

Functional Characteristics

• High-performance clock synthesis and jitter attenuation
• Low phase noise and low output jitter
• Supports various output formats (LVPECL, LVDS, HCSL, CMOS)
• Programmable output frequency and format
• Integrated I2C interface for configuration and control

Advantages and Disadvantages

Advantages: - High precision and stability in clock generation - Wide range of output frequencies and formats - Flexible programmability for customization - Low phase noise and jitter for improved signal quality

Disadvantages: - Relatively complex pin configuration - Requires external crystal input for clock reference

Applicable Range of Products

The SI5326A-B-GM is suitable for use in a wide range of electronic devices that require precise clock signals. It can be used in applications such as telecommunications, networking equipment, data centers, industrial automation, and consumer electronics.

Working Principles

The SI5326A-B-GM utilizes advanced PLL (Phase-Locked Loop) technology to generate and distribute high-quality clock signals. It takes an external crystal input as a reference and uses internal circuitry to synthesize and attenuate jitter in the output clock signals.

Detailed Application Field Plans

1. Telecommunications: The SI5326A-B-GM can be used in communication systems to provide accurate timing signals for data transmission and synchronization.
2. Networking Equipment: It can be employed in network switches, routers, and servers to ensure precise timing for efficient data processing and communication.
3. Data Centers: The IC can be utilized in data center infrastructure to synchronize various components and maintain reliable operation.
4. Industrial Automation: It can be integrated into industrial control systems to synchronize processes and enable precise timing in automation applications.
5. Consumer Electronics: The SI5326A-B-GM can be used in devices such as high-end audio equipment, video processors, and gaming consoles to ensure accurate timing for optimal performance.

Detailed Alternative Models

1. SI5324A-B-GM: Similar to SI5326A-B-GM but with fewer output channels.
2. SI5341A-B-GM: Offers additional features such as frequency margining and spread spectrum modulation.
3. SI5338A-B-GM: Provides a different pin configuration and supports a wider range of output formats.

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of the SI5326A-B-GM? A: The maximum output frequency is 945 MHz.

2. Q: Can I use a 5V supply voltage with this IC? A: No, the SI5326A-B-GM requires a supply voltage of either 2.5V or 3.3V.

3. Q: How do I program the output frequency and format?