CDCE937PW

Name: CDCE937PW
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Clock Synthesizer / Jitter Cleaner Programmable 3-PLL VCXO Clock Synth

6,172 Effective Inventory

CDCE937PW

Effective Inventory6,172

Clock Synthesizer / Jitter Cleaner Programmable 3-PLL VCXO Clock Synth

Manufacturer Part # : CDCE937PW
Package/Case: TSSOP-20
Part Status : Active
Brand: Texas Instruments
Product Categories : Clock Generators, PLLs, Frequency Synthesizers
Series : CDCE937

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CDCE937PW DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$3.311	$3.31
10	$2.897	$28.97
30	$2.650	$79.50
70	$2.401	$168.07
490	$2.287	$1,120.63
1400	$2.235	$3,129.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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CDCE937PW Details

The CDCE937PW is a clock generator IC from Texas Instruments, designed for precision clock synthesis in electronic systems. This IC offers multiple output channels with programmable frequencies and phase relationships, making it versatile for various timing requirements. It features low jitter and high accuracy, suitable for demanding applications in communications, networking, and instrumentation.

Pinout

1 (X1): Crystal/Clock Input
2 (X2): Crystal/Clock Output
3 (VDD): Power Supply
4-10 (OUT): Clock Output Channels
11 (GND): Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Multiple Output Channels: Offers multiple configurable clock outputs for flexible system integration.
Low Jitter: Provides low phase noise and jitter for high-quality clock signals.
Programmable Frequencies: Allows users to set output frequencies according to system requirements.
High Accuracy: Delivers precise clock synthesis for accurate timing control.
Versatile Applications: Suitable for use in communications, networking, and test and measurement equipment.

Application

Communications Systems: Ideal for clock generation in telecommunications and data communication systems.
Networking Equipment: Used in network switches, routers, and servers for synchronization and timing purposes.
Test and Measurement Instruments: Suitable for instrumentation requiring precise timing and synchronization.

Where to Use

The CDCE937PW is recommended for applications that demand accurate and stable clock signals, such as communication systems, networking devices, and test instruments. Its versatility and programmable features make it a reliable choice for various timing requirements.

How to Use

Integrate the CDCE937PW into your system by connecting the crystal or external clock source to the X1 input. Configure the output channels according to the desired frequencies and phase relationships. Ensure proper power supply connections and follow the timing specifications outlined in the datasheet for optimal performance.

Application Circuit

The application circuit diagram for the CDCE937PW demonstrates how to set up the clock generator in a typical electronic system. It showcases the connections for crystal input, power supply, and clock output channels, ensuring accurate timing generation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

CDCE949: A similar clock generator IC offering enhanced features and performance specifications.
CDCEL9XX: An alternative clock generator series with programmable outputs and low phase noise characteristics.

Complementary

The CDCE937PW can be paired with the CDCU877PW, a clock distribution IC, to create a complete clocking solution for complex systems. The CDCU877PW provides additional clock buffering and distribution capabilities for enhanced system synchronization.

When combining clocking components, ensure compatibility and integration considerations for seamless operation.

Frequently Asked Questions

Q: What is the maximum output frequency supported by the CDCE937PW?

A: The CDCE937PW can generate clock signals with frequencies up to X GHz. For specific details on frequency limits and configurations, refer to the datasheet.

Q: Is the CDCE937PW suitable for high-speed data communication applications?

A: Yes, the CDCE937PW is well-suited for high-speed data communication systems that require precise clocking and synchronization for reliable operation.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Function	Clock synthesizer	Number of outputs	7
Output frequency (max) (MHz)	230	Core supply voltage (V)	1.8
Output supply voltage (V)	2.5, 3.3	Input type	LVCMOS, XTAL
Output type	LVCMOS	Operating temperature range (°C)	-40 to 85
Features	Integrated EEPROM, Multiplier or divider, Spread-spectrum clocking (SSC)	Rating	Catalog

FAQs

What is CDCE937PW?

The CDCE937PW is a programmable clock generator and jitter cleaner integrated circuit manufactured by Texas Instruments. It is designed to generate high-quality clock signals with low jitter for a wide range of applications, including telecommunications, networking, and test equipment.

How Does CDCE937PW Work?

The CDCE937PW operates by accepting an external reference clock input and using internal PLLs (Phase-Locked Loops) to generate multiple output clock signals with precise frequency and phase relationships. It also features jitter cleaning capabilities to remove unwanted noise and jitter from the input clock signal, resulting in high-quality output clocks.

How Many Pins does CDCE937PW have and What are the Functions of the Pinout Configuration?

The CDCE937PW is housed in a 48-pin TSSOP package. The pinout configuration includes:

XIN, XOUT: Crystal oscillator input and output pins.
VDD, GND: Power supply and ground pins.
CLKn, n = 0 to 11: Output clock signal pins.
SDA, SCL: I2C interface control pins for programming the device.
PLL_REF1, PLL_REF2: Reference clock inputs for the internal PLLs.
PDN, LOCK, PWRDN: Power-down and lock status pins.

What are the Pros and Cons of CDCE937PW?

Pros:

High Precision: Generates clock signals with precise frequency and phase relationships.
Jitter Cleaning: Improves signal quality by reducing jitter on the output clocks.
Programmable: Offers flexibility in configuring output frequencies and features through programming.
Multiple Outputs: Provides multiple output clock signals for diverse system requirements.
Wide Application Range: Suitable for various industries requiring high-quality clocks.

Cons:

Complex Programming: Requires understanding of programming registers for optimal configuration.
External Components: May need external components like crystals or capacitors for certain configurations.
Cost: Higher complexity and features may result in a higher cost compared to simpler clock generators.

Are There Any Equivalents/Alternatives to CDCE937PW for Recommendation?

The CDCE913PW from Texas Instruments is a similar clock generator with slightly different features.
Alternative options to the CDCE937PW include the Si5340 from Silicon Labs and the SY89840UMI from Microchip Technology.