CDCEL937PW

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Clock Generator and Synthesizer
• Characteristics:
  • High-performance clock synthesis and distribution
  • Low jitter and phase noise
  • Wide frequency range
  • Flexible configuration options
• Package: PowerPAD™ TSSOP
• Essence: Clock generation and synchronization
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications and Parameters

• Input Voltage Range: 2.5V to 3.3V
• Output Frequency Range: 8kHz to 1.5GHz
• Number of Outputs: 6
• Supply Current: 20mA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

The CDCEL937PW has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage input | | 2 | GND | Ground | | 3 | OUT0 | Output 0 | | 4 | OUT1 | Output 1 | | 5 | OUT2 | Output 2 | | 6 | OUT3 | Output 3 | | 7 | OUT4 | Output 4 | | 8 | OUT5 | Output 5 | | 9 | SDA | I2C serial data input/output | | 10 | SCL | I2C serial clock input |

Functional Characteristics

• High-frequency clock synthesis and distribution
• Programmable output frequencies
• Low jitter and phase noise performance
• I2C interface for easy configuration
• Spread Spectrum Clocking (SSC) support
• Power management features for reduced power consumption

Advantages and Disadvantages

Advantages: - High-performance clock generation and synchronization - Wide frequency range for versatile applications - Flexible configuration options for customization - Low jitter and phase noise for improved signal quality

Disadvantages: - Requires I2C interface for configuration - Limited number of outputs (6)

Applicable Range of Products

The CDCEL937PW is suitable for various applications that require precise clock generation and synchronization. It can be used in telecommunications, networking equipment, data centers, industrial automation, and other electronic systems.

Working Principles

The CDCEL937PW utilizes a combination of PLL (Phase-Locked Loop) and VCO (Voltage-Controlled Oscillator) techniques to generate and distribute high-quality clock signals. The input reference clock is multiplied and divided to achieve the desired output frequencies with low jitter and phase noise.

Detailed Application Field Plans

1. Telecommunications: Clock synchronization in base stations and network switches.
2. Networking Equipment: Clock distribution in routers, switches, and gateways.
3. Data Centers: Clock generation for server farms and storage systems.
4. Industrial Automation: Timing control in PLCs (Programmable Logic Controllers) and motion control systems.
5. Electronic Systems: Clock synchronization in test and measurement instruments, audio/video equipment, and consumer electronics.

Detailed Alternative Models

1. CDCE913PW: Similar functionality with 8 outputs instead of 6.
2. CDCE925PW: Higher frequency range up to 2.5GHz.
3. CDCE937PW: Extended temperature range (-40°C to +105°C).

5 Common Technical Questions and Answers

1. Q: Can the CDCEL937PW operate with a 5V power supply? A: No, the recommended operating voltage range is 2.5V to 3.3V.

2. Q: Is the CDCEL937PW compatible with both LVCMOS and LVDS output standards? A: Yes, it supports LVCMOS, LVDS, and other common output standards.

3. Q: Can I program the output frequencies on-the-fly? A: Yes, the CDCEL937PW allows dynamic frequency reconfiguration via the I2C interface.

4. Q: Does the CDCEL937PW support spread spectrum clocking? A: Yes, it has built-in support for Spread Spectrum Clocking (SSC) to reduce electromagnetic interference (EMI).

5. Q: What is the typical phase noise performance of the CDCEL937PW? A: The CDCEL937PW offers excellent phase noise performance, typically below -120dBc/Hz at 1MHz offset.

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