SI5356A-B04656-GM

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Clock Generator and Multiplier
Characteristics: Low jitter, high frequency accuracy, programmable output frequencies
Package: QFN (Quad Flat No-leads) package
Essence: Clock generation and multiplication for various electronic devices
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

Frequency Range: 8 kHz to 160 MHz
Output Channels: 8
Supply Voltage: 2.5V to 3.63V
Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

VDDO: Power supply for output drivers
GND: Ground
XTAL1, XTAL2: Crystal oscillator input
SDA, SCL: I2C bus interface
OE: Output enable control
CLKx_OUT: Output clock channels (x = 0 to 7)
VDD: Power supply
VDDO: Power supply for output drivers

Functional Characteristics

Programmable output frequencies with fine resolution
Low phase noise and jitter for accurate timing requirements
Flexible output formats (square wave, LVCMOS, LVDS, etc.)
I2C bus interface for easy configuration
Output enable control for power management

Advantages and Disadvantages

Advantages: - Wide frequency range suitable for various applications - High accuracy and stability in generating clock signals - Easy integration into existing designs with I2C interface

Disadvantages: - Limited number of output channels compared to some alternatives - Relatively higher power consumption compared to lower frequency clock generators

Applicable Range of Products

Communication systems
Consumer electronics
Industrial automation
Test and measurement equipment
Medical devices

Working Principles

The SI5356A-B04656-GM is based on a fractional-N PLL (Phase-Locked Loop) architecture. It uses an external crystal oscillator as a reference input and generates multiple output clocks with programmable frequencies. The PLL feedback loop continuously adjusts the internal divider ratios to achieve accurate output frequencies.

Detailed Application Field Plans

Communication Systems: Clock generation for wireless base stations, routers, and network switches.
Consumer Electronics: Clock synchronization for audio/video equipment, set-top boxes, and gaming consoles.
Industrial Automation: Timing control for PLCs (Programmable Logic Controllers), motor drives, and industrial sensors.
Test and Measurement Equipment: Clock signals for oscilloscopes, signal generators, and data acquisition systems.
Medical Devices: Precise timing for medical imaging equipment, patient monitoring devices, and diagnostic instruments.

Detailed Alternative Models

SI5351A-B-GT: 3-output clock generator with similar features but lower frequency range.
Si5341B-B-GM: 10-output clock generator with higher frequency range and additional features like jitter attenuation.

5 Common Technical Questions and Answers

Q: Can I program the output frequencies in real-time? A: Yes, the SI5356A-B04656-GM supports dynamic frequency programming via the I2C interface.
Q: What is the typical phase noise performance of this IC? A: The phase noise depends on the output frequency and configuration. Please refer to the datasheet for detailed specifications.
Q: Can I use an external clock source instead of a crystal oscillator? A: Yes, the SI5356A-B04656-GM provides flexibility to use an external clock input instead of a crystal oscillator.
Q: Is there any built-in frequency modulation capability? A: No, the SI5356A-B04656-GM does not have built-in frequency modulation features. It is primarily designed for clock generation and multiplication.
Q: What is the power supply voltage range for this IC? A: The SI5356A-B04656-GM operates with a supply voltage range of 2.5V to 3.63V.

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