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Name: CDCE937PWR
Brand: Texas Instruments
SKU: CDCE937PWR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments CDCE937PWR

Part No.:: CDCE937PWR

Manufacturer:: Texas Instruments

Package:: 20-TSSOP (0.173, 4.40mm Width)

Datasheet:: CDCE937PWR.pdf

Description:: IC 3PLL VCXO CLK SYNTH 20-TSSOP

In Stock:: 2705

Quantity:: Add To Cart

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CDCE937PWR Specifications

Package/Case:
20-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
PLL Clock Generator
PLL:
Yes with Bypass
Input:
LVCMOS, Crystal
Output:
LVCMOS
NumberofCircuits:
1
Ratio-Input:Output:
1:7
Differential-Input:Output:
No/No
Frequency-Max:
230MHz
Divider/Multiplier:
Yes/No
Voltage-Supply:
1.7V ~ 1.9V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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CDCE937PWR information

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CDCE937PWR Typical application Circuitry

CDCE937PWR

CDCE937PWR is a programmable clock synthesizer that provides high-performance clock solutions.

Application Scenarios

CDCE937PWR is used in various scenarios, including but not limited to:

- Consumer Electronics: For devices requiring multiple clock domains, such as smartphones, tablets, and multimedia devices.

- Telecommunications: In networking equipment for precise timing and synchronization.

- Industrial Applications: For control systems requiring synchronized clock signals for various components.

- Automotive Systems: In infotainment and navigation systems requiring precise clocking.

Parameter Characteristics

The CDCE937PWR features include:

- Programmable Clock Outputs: Multiple outputs that can be programmed for different frequencies.

- Low Jitter: Ensures high-quality signal integrity for critical applications.

- Flexible Input Options: Supports a wide range of input frequencies.

- Low Power Consumption: Suitable for battery-powered gadgets, this design is efficient.

Detailed Example of a Circuit Connection

Let's consider using CDCE937PWR in a multimedia device that requires multiple clock frequencies for its processor, audio interface, and connectivity module.

Select Input Frequency

- Input Source: Connect the input frequency source to the CDCE937PWR's REF_IN pin. This could be an external crystal oscillator operating at the specified frequency for the multimedia device.

Configure Output Frequencies

- Programming the Device: Use the I2C interface to program the CDCE937PWR. Connect SDA and SCL pins to the microcontroller for configuring the output frequencies as needed.

Connect Clock Outputs

- Processor Clock: Connect one of the CDCE937PWR's output pins (e.g., OUT0) to the processor's clock input. Ensure the frequency matches the processor's requirements.

- Audio Interface Clock: Connect another output pin (e.g., OUT1) to the clock input of the audio interface, programming the CDCE937PWR to generate the necessary frequency for audio processing.

- Connectivity Module Clock: Use a different output pin (e.g., OUT2) for the connectivity module (Wi-Fi, Bluetooth), adjusting the frequency according to the module's specifications.

Power Supply and Grounding

- Stable Power Supply: Provide a stable power supply to VDD pins and ensure proper decoupling with capacitors close to the power pins.

- Grounding: Connect all GND pins to the system's ground plane to minimize noise and ensure signal integrity.

Design Considerations

When designing circuits with CDCE937PWR, consider the following:

- Signal Integrity: Minimize the path length between CDCE937PWR outputs and destination inputs to reduce signal degradation.

- Power Supply Noise: Use proper decoupling techniques to minimize power supply noise, which could affect clock signal quality.

- Thermal Management: Make sure there is enough heat dissipation, particularly for applications that call for high output frequencies.

- Programming and Configuration: Early in the design, plan for programming the device, including the use of I2C interface for setting up output frequencies and phase adjustments.

By meticulously planning the circuit design and addressing these considerations, CDCE937PWR can significantly enhance the performance and reliability of electronic systems requiring multiple, precise clock signals.

CDCE937PWR FAQ

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6. What is the process for return or replacement of CDCE937PWR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the CDCE937PWR we delivered, we will accept the replacement or return of the CDCE937PWR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of CDCE937PWR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations