LMH0318RTWR

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LMH0318RTWR

+Nomenclature

IC VIDEO RECLOCKER 24WQFN

  • FabricantTexas Instruments

  • Pièce fabricant #LMH0318RTWR

  • En stock3809

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Spécifications

Attribut Valeur
Part Status Active
Function Reclocker
Applications Professional Video
Standards DVB-ASI, MADI, SMPTE
Control Interface SPI
Voltage - Supply 2.375V ~ 2.625V
Mounting Type Surface Mount
Package / Case 24-WFQFN Exposed Pad
Supplier Device Package 24-WQFN (4x5)
Base Product Number LMH0318

Présentation

Description

The LMH0318RTWR is a specialized integrated circuit developed by Texas Instruments. It functions as a 3 Gbps HD/SD SDI Reclocker with Dual Differential Outputs, designed for use in professional video equipment and broadcast applications. The primary purpose of this device is to improve signal integrity by retiming data and reducing jitter, ensuring reliable transmission of high-definition video signals over long distances.
Key features of the LMH0318RTWR include support for multiple data rates (270 Mbps, 1.485 Gbps, and 2.97 Gbps), making it compatible with SD, HD, and 3G SDI signals. The device is equipped with dual differential outputs for flexible connectivity options and incorporates features such as automatic rate detection and a bypass mode for seamless integration into various signal paths.
The LMH0318RTWR is encapsulated in a compact WQFN package, making it suitable for space-constrained applications. With its robust performance, this reclocker is ideal for use in professional video routers, cameras, and distribution amplifiers where maintaining signal quality is critical.

Equivalent

The LMH0318RTWR is a 3 Gbps HD/SD/3G-SDI Reclocker with integrated Eye-Opener and features adaptive equalization and retiming. Equivalent products might include the GS2971A from Semtech, the NB3N51034 from ON Semiconductor, and the ADN2814 from Analog Devices. Each of these chips offers similar functionalities tailored for SDI video signals, including reclocking and equalization. It's important to check specific data sheets for compatibility regarding features, performance, and pin configuration.

Features

The LMH0318RTWR is a high-performance, low-power cable driver designed for signal integrity in broadcast video and data transmission applications. Key features include:
1. Data Rate: Supports data rates up to 2.97 Gbps, accommodating SD, HD, and 3G-SDI video signals.
2. Output Swing: Configurable output swing allows compatibility with a variety of coaxial cables.
3. Power Consumption: Optimized for low power consumption, making it suitable for portable and battery-powered applications.
4. Differential Input: Features a differential input design to enhance noise immunity and signal integrity.
5. Single Supply Voltage: Operates on a single 3.3V supply, simplifying power supply requirements.
6. Small Package: Available in a compact WQFN package, ideal for space-constrained designs.
7. Robust Performance: Provides excellent return loss and output return loss characteristics, ensuring reliable transmission.
8. Temperature Range: Operates within an extended temperature range, suitable for industrial applications.
Overall, the LMH0318RTWR is tailored for broadcast infrastructure, video transmission, and other high-speed data communication systems where signal fidelity and power efficiency are crucial.

Pinout

The LMH0318RTWR is a re-clocking cable driver IC used primarily in broadcast video applications. It is a 16-pin device, typically packaged in a WQFN (RTW) package. The primary function of the LMH0318 is to drive high-speed serial digital video data over coaxial cables, supporting data rates up to 2.97 Gbps, making it suitable for SDI (Serial Digital Interface) standards like HD-SDI and 3G-SDI.
The LMH0318 includes features such as cable driver pre-emphasis to compensate for high-frequency losses in long cable runs, an automatic power-down mode to save energy when no signal is present, and an integrated reclocker that reduces jitter and ensures signal integrity. The device is designed to work with 75-ohm coaxial cables and typically includes other support features like a differential input and output, a single-ended input option, and an SPI interface for configuration and status monitoring.

Manufacturer

The LMH0318RTWR is manufactured by Texas Instruments, a global technology company based in Dallas, Texas. Texas Instruments (TI) is renowned for designing and manufacturing semiconductors and various integrated circuits, which are used in a broad range of electronic devices. The company caters to sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is well-known for its focus on developing analog chips and embedded processors, which are crucial components in modern electronic systems.

Application

The LMH0318RTWR is primarily used in broadcast video applications. It functions as a 3G/HD/SD SDI reclocker, making it essential for ensuring signal integrity in professional video transmission systems. Typical application areas include video routers, distribution amplifiers, and camera systems where it helps in maintaining high-quality video signal by reducing jitter and other transmission errors. It supports various broadcast standards, making it versatile for different video formats and resolutions. Additionally, it is used in video editing systems and other professional AV equipment where reliable and stable video signal processing is crucial.

Package

The LMH0318RTWR is a high-speed cable driver packaged in a 16-pin WQFN (Very Thin Quad Flat No-Lead) package. This type of package offers a compact footprint and efficient thermal performance suitable for applications requiring high-speed data transmission and minimal space usage.

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