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Name: DS125BR800ANJYR
Brand: Texas Instruments
SKU: DS125BR800ANJYR
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 DS125BR800ANJYR

Part No.:: DS125BR800ANJYR

Manufacturer:: Texas Instruments

Package:: -

Datasheet:: DS125BR800ANJYR.pdf

Description:: DS125BR800A LOW-POWER 12.5-GBPS

In Stock:: 448

Quantity:: Add To Cart

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DS125BR800ANJYR Typical application Circuitry

DS125BR800ANJYR

The DS125BR800ANJYR is a low-power, eight-channel linear redriver designed by Texas Instruments, aimed at improving signal integrity in high-speed communication links. This device is particularly suited for applications involving high-speed data transmission where signal degradation due to long distances or poor quality media is a concern. Its primary function is to recondition, reshape, and boost the signals to extend the reach of high-speed serial interfaces such as PCIe, SATA, and USB.

Key Features and Parameters:

- Eight Independent Redriver Channels: Offers flexibility in conditioning multiple data streams simultaneously.

- Support for High-Speed Interfaces: Compatible with data rates up to 8 Gbps, making it suitable for a range of applications including PCIe Gen 1/2/3, SATA 1.5/3/6 Gbps, and USB 3.1 Gen 1/2.

- Adaptive Equalization: Automatically adjusts the signal boost to compensate for channel losses, enhancing signal integrity.

- Low Power Consumption: Designed for energy efficiency, reducing the overall power requirement of the system.

- Programmable Settings: Features configurable settings for equalization, output swing, and gain through an I2C interface, allowing optimization for specific use cases.

Application Scenario: Integrating the DS125BR800ANJYR in a server backplane to ensure robust data transmission between storage drives and the server's mainboard across PCIe interfaces.

Circuit Design:

Deploying the DS125BR800ANJYR in a server backplane requires detailed attention to its pin connections:

1. Power Supply Connection:

- VDD (Pin 48 and others as per datasheet): Connect to a +3.3V power source. Utilize decoupling capacitors close to these pins to ensure a stable power supply, crucial for the consistent performance of the redriver.

2. Ground Connection:

- GND (Multiple pins across the device): Tie all ground pins to the system's ground plane. Effective grounding is vital to reduce noise and enhance signal integrity.

3. High-Speed Differential Data Inputs/Outputs:

- RxIN0+/- to RxIN7+/- and TxOUT0+/- to TxOUT7+/- (Pairs allocated across the device pins): Connect input pairs from the data source (e.g., storage drives) to RxIN pins and output pairs to the destination (e.g., server mainboard) to TxOUT pins. Implementing differential signaling minimizes susceptibility to electromagnetic interference.

4. Control and Configuration:

- SCL, SDA (I2C interface pins): Interface these pins with a microcontroller for configuring the redriver settings via I2C. Proper configuration optimizes the signal conditioning for specific channel conditions.

5. Signal Integrity Optimization:

- CSEL0, CSEL1 (Pins for channel selection): These pins might be used for selecting operational modes or channels based on application needs. Optimal setting selection ensures tailored performance to application requirements.

Design Considerations:

- Electromagnetic Interference (EMI): Implement shielding strategies and careful PCB layout to minimize EMI, crucial for maintaining data integrity in high-speed transmission.

- Thermal Management: Monitor and manage the thermal profile of the DS125BR800ANJYR, especially when operating at high data rates or within densely packed server environments.

- Power Integrity: Ensure stable power delivery with minimal voltage fluctuations and ripple, utilizing appropriate decoupling and filtering techniques.

- Signal Routing: Design PCB traces with controlled impedance and minimal discontinuities to preserve signal integrity from source to destination.

- Firmware Integration for Configuration: Develop robust firmware routines for dynamic control and monitoring of the DS125BR800ANJYR, allowing for real-time adjustments to configuration settings based on system performance metrics.

By incorporating the DS125BR800ANJYR into a server backplane, designers can significantly enhance the reliability and quality of high-speed data transmission between storage devices and the server, ensuring robust performance in critical data center environments. This application demonstrates the DS125BR800ANJYR's capability to mitigate signal degradation over challenging transmission paths, a key requirement in advanced server infrastructure.

DS125BR800ANJYR information

DS125BR800ANJYR Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
Type:
-
Applications:
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Input:
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Output:
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DataRate(Max):
-
NumberofChannels:
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DelayTime:
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SignalConditioning:
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Capacitance-Input:
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Voltage-Supply:
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Current-Supply:
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OperatingTemperature:
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MountingType:
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6. What is the process for return or replacement of DS125BR800ANJYR?

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

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