TDA19978AHV/15C185

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The TDA19978AHV/15C185 is a high-speed, low-power, differential bus transceiver designed to provide the electrical interface between two systems operating data rates on both sides of 4000 Mbps. The transceiver is designed to support the SMPTE 424M, SMPTE 292M, SMPTE 259M-C interface signal standards. The device is also designed to support the High-Definition (HD) Serial Digital Interface (SDI) applications.

The device has two differential transmitter buses, one for transmit side and one for receive side. The receiver bus operates at up to 4.5Gbps data rate, while the transmitter bus operates at up to 3.2Gbps data rate. It has two power rails, one for the transmitter and one for the receiver, to provide power for the device.

The device can be used in a variety of applications such as HD video and audio, HD video conversion and storage, as well as for high speed, low power interface for cameras, displays, and media players. The device can also be used in consumer electronic devices such as DVD players and digital video recorders (DVRs).

Application Field

The TDA19978AHV/15C185 is designed for the High-Definition (HD) Serial Digital Interface (SDI) applications. The device can be used in a variety of applications such as HD video and audio, HD video conversion and storage, as well as for high speed, low power interface for cameras, displays, and media players. It can also be used for digital video recorders (DVRs).

The device is ideal for use in HD video applications such as HD TV broadcasts, HD streaming, and HD Blu-ray and DVD players. The device is also suitable for applications such as:

• Video conferencing
• Video surveillance systems
• Security cameras
• Video servers
• High-speed serial data transmission
• HDMI extenders
• Firewire / Thunderbolt extension systems
• DVRs

Working Principle

The TDA19978AHV/15C185 is a high-speed, low-power, differential bus transceiver designed to provide the electrical interface between two systems operating data rates on both sides of 4000 Mbps. The transceiver is an integrated device that includes two differential drivers, two differential receivers, and one level shifter. The device has two differential transmitter buses, one for transmit side and one for receive side. The receiver bus operates at up to 4.5 Gbps data rate, while the transmitter bus operates at up to 3.2 Gbps data rate. It has two power rails, one for the transmitter and one for the receiver, to provide power for the device.

The receiver side of the device can accept SDI input data and the transmitter side of the device can transmit SDI data at up to 4.5 Gbps. Both receiver and transmitter can operate in 8b/10b and 16b/18b encoded data formats, allowing compatibility with SMPTE standards. The device can also detect and generate control signals such as channel equalization/de-emphasis (DeEm), clock recovery (CR), horizontal/vertical blanking, line choice signals (LCS) and LCD/HD clear (CLR).

The device is designed for low power consumption and low EMI. The device can operate in three different modes, standby, low-power enabled, and low-power disabled. The device can also support up to four power down modes for power savings.

The device is also designed with a number of advanced features such as integrated jitter attenuation, a 3:2 pull-down control, and independent channel equalization. The device also has an integrated phase-locked loop (PLL) and adjustable levels of damping.

The device is also designed with an advanced transmission line interface including an adjustable maximum amplitude and rise time based on the SDI B-codes, as well as a programmable receive low-pass filter that can be used to shape the output of the receiver\'s equalizer.

The TDA19978AHV/15C185 is designed with a robust test and diagnostics mode to provide an in-depth look at the device’s performance and check for errors. The device can also be used as a debugging tool to monitor the transmit and receive timing relationship between two systems. The device supports pre-programmed test patterns for testing the system and to ensure proper performance.

The TDA19978AHV/15C185 is a high-performance, low-power, differential bus transceiver designed to provide an optimal, cost-effective interface for HD serial digital interface (SDI) applications. The device supports up to 4.5 Gbps data rate and offers a variety of features for low power consumption and low EMI, as well as advanced features such as jitter attenuation and adjustable levels of damping.

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