SI5351A-B08554-GTR

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: Silicon-based integrated circuit
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

Supply Voltage: 2.8V to 3.63V
Output Frequency Range: 8kHz to 160MHz
I2C Interface: Standard-mode (100 kHz) and Fast-mode (400 kHz)
Temperature Range: -40°C to +85°C
Phase Noise Performance: -140 dBc/Hz at 10 kHz offset (typical)

Detailed Pin Configuration

The SI5351A-B08554-GTR has a total of 20 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage | | 2 | GND | Ground | | 3 | SDA | I2C Serial Data Line | | 4 | SCL | I2C Serial Clock Line | | 5 | XAXB | Crystal oscillator input or reference clock input | | 6-9 | CLK0-CLK3 | Programmable output clock pins | | 10-13 | CLK4-CLK7 | Programmable output clock pins | | 14 | VDDO | Output power supply voltage | | 15-18 | NC | No connection | | 19 | XTAL | Crystal oscillator output | | 20 | GND | Ground |

Functional Characteristics

Flexible frequency synthesis and multiplication
Configurable output formats (square wave, sine wave, etc.)
Programmable output levels
Low jitter performance
Integrated voltage-controlled crystal oscillator (VCXO)

Advantages and Disadvantages

Advantages: - High-frequency accuracy and stability - Wide output frequency range - Small package size for space-constrained applications - Low phase noise for improved signal quality

Disadvantages: - Requires I2C interface for configuration - Limited number of programmable output pins

Applicable Range of Products

The SI5351A-B08554-GTR is commonly used in various electronic devices that require accurate clock generation and multiplication. It finds applications in: - Communication systems - Test and measurement equipment - Audio and video equipment - Industrial automation - Embedded systems

Working Principles

The SI5351A-B08554-GTR utilizes a fractional-N PLL (Phase-Locked Loop) architecture to generate precise and stable clock signals. It takes an input reference frequency and uses a feedback loop to synthesize the desired output frequencies with high accuracy.

Detailed Application Field Plans

Communication Systems: The SI5351A-B08554-GTR can be used as a clock source in wireless communication systems, ensuring synchronized data transmission and reception.
Test and Measurement Equipment: It provides accurate timing signals for oscilloscopes, spectrum analyzers, and other measurement instruments, enabling precise measurements.
Audio and Video Equipment: The IC can generate clock signals for audio codecs, video processors, and display controllers, ensuring synchronization and smooth operation.
Industrial Automation: It can be utilized in programmable logic controllers (PLCs), motor control systems, and industrial sensors, providing precise timing for automation processes.
Embedded Systems: The SI5351A-B08554-GTR is suitable for embedded systems, including microcontrollers and IoT devices, where accurate clock signals are essential for proper operation.

Detailed Alternative Models

SI5351A-B-GM: Similar to SI5351A-B08554-GTR but with a different package (QFN-24).
SI5351B-B-GM: A variant with enhanced phase noise performance.
SI5351C-B-GM: Offers additional features like spread spectrum modulation and frequency hopping capabilities.

5 Common Technical Questions and Answers

Q: What is the maximum output frequency of the SI5351A-B08554-GTR? A: The maximum output frequency is 160 MHz.
Q: Can I use an external crystal oscillator as the reference clock? A: Yes, the XAXB pin can be used as an input for an external crystal oscillator or reference clock.
Q: How many programmable output pins does the IC have? A: The SI5351A-B08554-GTR has a total of 8 programmable output pins (CLK0-CLK7).
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