SI5351A-B04549-GMR

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Clock Generator and Multiplier
Characteristics:
- High-frequency accuracy and stability
- Low phase noise
- Programmable output frequencies
- Small package size
Package: QFN-20
Essence: The SI5351A-B04549-GMR is a highly integrated clock generator IC designed for various applications requiring precise and programmable clock signals.
Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications and Parameters

Frequency Range: 8 kHz to 160 MHz
Output Channels: 3 independent channels
Supply Voltage: 2.5V to 3.63V
Operating Temperature Range: -40°C to +85°C
Phase Noise: -150 dBc/Hz at 10 kHz offset (typical)

Detailed Pin Configuration

The SI5351A-B04549-GMR features a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply (2.5V to 3.63V) | | 2 | GND | Ground | | 3 | XIN | Crystal Oscillator Input | | 4 | XOUT | Crystal Oscillator Output | | 5 | SDA | I2C Serial Data Input/Output | | 6 | SCL | I2C Serial Clock Input | | 7 | OE | Output Enable | | 8 | CLK0 | Output Channel 0 | | 9 | CLK1 | Output Channel 1 | | 10 | CLK2 | Output Channel 2 | | 11-20 | NC | No Connection |

Functional Characteristics

The SI5351A-B04549-GMR offers the following functional characteristics: - Programmable output frequencies with high accuracy and stability. - Independent control of each output channel. - Flexible clock multiplication and division options. - Low phase noise for improved signal quality. - I2C interface for easy configuration.

Advantages and Disadvantages

Advantages: - High-frequency accuracy and stability. - Programmable output frequencies offer flexibility. - Small package size allows for space-saving designs. - Low phase noise ensures high-quality signals.

Disadvantages: - Limited frequency range (8 kHz to 160 MHz). - Requires an external crystal oscillator for operation.

Applicable Range of Products

The SI5351A-B04549-GMR is suitable for a wide range of applications, including but not limited to: - Communication systems - Test and measurement equipment - Industrial automation - Audio/video equipment - Consumer electronics

Working Principles

The SI5351A-B04549-GMR utilizes a fractional-N PLL (Phase-Locked Loop) architecture to generate precise clock signals. It takes input from an external crystal oscillator and uses programmable dividers and multipliers to generate output frequencies according to the desired configuration.

Detailed Application Field Plans

The SI5351A-B04549-GMR can be used in various applications, such as: 1. Communication Systems: Provides accurate clock signals for data transmission and synchronization. 2. Test and Measurement Equipment: Enables precise timing and synchronization in test setups. 3. Industrial Automation: Facilitates synchronized operation of industrial machinery and control systems. 4. Audio/Video Equipment: Generates stable clock signals for audio/video processing and synchronization. 5. Consumer Electronics: Supports clocking requirements in devices like smartphones, tablets, and wearables.

Detailed Alternative Models

Some alternative models to the SI5351A-B04549-GMR include: - SI5351B-B04549-GMR: Similar functionality with additional features. - SI5341A-B04549-GMR: Higher frequency range and more output channels. - SI570-C11-GM: Single-channel clock generator with wider frequency range.

5 Common Technical Questions and Answers

Q: What is the maximum output frequency of the SI5351A-B04549-GMR? A: The maximum output frequency is 160 MHz.
Q: Can I use a different crystal oscillator with this IC? A: Yes, as long as it meets the specified requirements (e.g., frequency, load capacitance).
Q: How many independent output channels does this IC have? A: It has three independent output channels (CLK0, CLK1, CLK2).
Q: Is the SI5351A-B04549-GMR compatible with both 2.5V and 3.3V supply voltages? A