SI5351A-B04491-GM

Overview

Category

SI5351A-B04491-GM belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for generating clock signals.

Characteristics

• Integrated circuit
• Clock signal generator
• High frequency accuracy
• Low phase noise
• Programmable output frequencies

Package

SI5351A-B04491-GM is available in a compact surface mount package.

Essence

The essence of this product lies in its ability to generate accurate and stable clock signals for various applications.

Packaging/Quantity

SI5351A-B04491-GM is typically packaged in reels or trays, with a quantity of 1000 units per reel/tray.

Specifications and Parameters

• Frequency range: 8 kHz to 160 MHz
• Output channels: 3
• Supply voltage: 2.5V to 3.63V
• Operating temperature range: -40°C to +85°C
• Phase noise: -140 dBc/Hz at 10 kHz offset
• Output level: 0.4V to 2.0V

Pin Configuration

The pin configuration of SI5351A-B04491-GM is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage | | 2 | GND | Ground | | 3 | SDA | I2C data input/output | | 4 | SCL | I2C clock input | | 5 | CLK0 | Output channel 0 | | 6 | CLK1 | Output channel 1 | | 7 | CLK2 | Output channel 2 | | 8 | NC | No connection |

Functional Characteristics

• Programmable frequency synthesis
• Fractional-N and Integer-N modes
• Spread spectrum modulation
• Output enable/disable control
• Crystal oscillator input
• I2C interface for configuration

Advantages and Disadvantages

Advantages

• High frequency accuracy
• Low phase noise
• Flexible frequency synthesis
• Compact package size
• Easy integration with other circuits

Disadvantages

• Limited output channels (3 in total)
• Requires external crystal oscillator

Applicable Range of Products

SI5351A-B04491-GM is suitable for a wide range of electronic devices that require accurate clock signal generation, such as communication systems, test equipment, and consumer electronics.

Working Principles

This product utilizes a phase-locked loop (PLL) to generate precise clock signals. The PLL locks onto an external crystal oscillator's frequency and divides it to produce the desired output frequencies.

Detailed Application Field Plans

SI5351A-B04491-GM can be used in various applications, including:

1. Wireless communication systems: Provides stable clock signals for transceivers and base stations.
2. Test and measurement equipment: Ensures accurate timing for data acquisition and signal analysis.
3. Audio/video equipment: Synchronizes audio and video components for seamless playback.
4. Industrial automation: Controls timing in PLCs and other industrial control systems.
5. Consumer electronics: Enables precise timing in devices like smartphones, tablets, and smartwatches.

Detailed Alternative Models

Some alternative models to SI5351A-B04491-GM include:

1. SI5351B-C04491-GM
2. SI5351C-D04491-GM
3. SI5351D-E04491-GM
4. SI5351E-F04491-GM
5. SI5351F-G04491-GM

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of SI5351A-B04491-GM? A: The maximum output frequency is 160 MHz.

2. Q: Can I program the output frequencies using an external microcontroller? A: Yes, SI5351A-B04491-GM can be easily controlled via its I2C interface.

3. Q: Does this product support spread spectrum modulation? A: Yes, SI5351A-B04491-GM has built-in support for spread spectrum modulation.

4. Q: What is the typical phase noise performance of this IC? A: The phase noise is -140 dBc/Hz at a 10 kHz offset.

5. Q: Is an external crystal oscillator required for operation? A: Yes, an external crystal oscillator is needed to provide the reference frequency for the PLL.

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