SI5351A-B04865-GTR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Multiplier
• Characteristics:
  • High-frequency accuracy
  • Low phase noise
  • Programmable output frequencies
  • Small package size
• Package: QFN-20
• Essence: Clock generation and multiplication
• Packaging/Quantity: Tape and Reel, 3000 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: -140 dBc/Hz at 10 kHz offset (typical)

Pin Configuration

The SI5351A-B04865-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 | | 6-13 | OUT0-OUT7 | Programmable clock outputs | | 14 | VDDO | Power supply voltage for outputs | | 15 | GND | Ground | | 16 | NC | No connection | | 17 | NC | No connection | | 18 | NC | No connection | | 19 | NC | No connection | | 20 | NC | No connection |

Functional Characteristics

• Flexible frequency synthesis and multiplication
• Configurable output formats (square wave, sine wave, etc.)
• Programmable output drive strength
• Low jitter and phase noise 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 - Easy integration with I2C interface

Disadvantages: - Limited number of programmable clock outputs - Requires external crystal oscillator or reference clock source

Applicable Range of Products

The SI5351A-B04865-GTR is suitable for various applications that require precise clock generation and multiplication. It can be used in: - Communication systems - Test and measurement equipment - Audio and video equipment - Industrial automation - Embedded systems

Working Principles

The SI5351A-B04865-GTR utilizes a fractional-N PLL (Phase-Locked Loop) architecture to generate and multiply clock frequencies. It takes an input reference clock or crystal oscillator signal and uses internal dividers and multipliers to synthesize the desired output frequencies.

Detailed Application Field Plans

1. Communication Systems: The SI5351A-B04865-GTR can be used as a clock source for data transmission, synchronization, and timing in wireless communication systems.
2. Test and Measurement Equipment: It provides accurate and stable clock signals for precise timing measurements in oscilloscopes, spectrum analyzers, and other test instruments.
3. Audio and Video Equipment: The IC ensures synchronized audio and video signals in multimedia devices such as TVs, DVD players, and digital audio workstations.
4. Industrial Automation: It enables precise timing control in industrial automation systems, including PLCs (Programmable Logic Controllers), motor drives, and robotics.
5. Embedded Systems: The SI5351A-B04865-GTR is suitable for clock generation in microcontrollers, FPGA (Field-Programmable Gate Array), and other embedded systems.

Detailed Alternative Models

• SI5351A-B04400-GTR
• SI5351B-B04400-GTR
• SI5351C-B04400-GTR
• SI5351D-B04400-GTR
• SI5351E-B04400-GTR

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of the SI5351A-B04865-GTR? A: The maximum output frequency is 160 MHz.

2. Q: Can I program the output frequencies using an external microcontroller? A: Yes, the IC can be easily controlled through the I2C interface using an external microcontroller.

3. Q: Does the SI5351A-B04865-GTR require an external crystal oscillator? A: Yes, it requires an external crystal oscillator or a reference clock source for accurate frequency synthesis.

4. Q: What is the typical phase