SN75DP119RHHT

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Interface - Signal Buffers, Repeaters, Splitters, are important parts in data transmissions, and SN75DP119RHHT is a device which belongs to this field. This overview article covers both the application fields and working principle of SN75DP119RHHT.

Application Fields

SN75DP119RHHT is a single-supply, differential bus transceiver chip specifically designed for High-Speed MIPI D-PHY applications. It\'s designed to meet the electrical characteristics of the MIPI Alliance’s D-PHY specification. The SN75DP119RHHT comes in 14-pin Exposed Pad (EP) packages and 8-pin Integrated Heat Spreader (IHS) packages. Typical applications of the SN75DP119RHHT are digital audio, digital television, digital signage and automotive infotainment. It offers several features that result in improved performance, reliability and system power savings in these applications. It also supports how-asynchronous D-PHY interface.

Working Principle

The SN75DP119RHHT supports both high-speed (HS) and lower-speed (LS) modes. In the HS mode, the device supports speeds up to approximately 530 Mbps. In the LS mode, the device can support speeds up to approximately 5000Kbps. The HS data rate is supported by two sets of source-synchronous lanes that provide differential line pairs for unidirectional data transmission. The SN75DP119RHHT supports two sets of six data lanes, each one of which can have different speeds and different polarity. The devices also feature dual differential receiver pairs that allow the SN75DP119RHHT to be used in point-to-point, daisy-chain and star topologies.

The SN75DP119RHHT supports low-latency differential signaling. The device is compliant with the MIPI Alliance’s anti-EMI measure, termed EMI Shielding. This measure reduces the amount of electromagnetic interference (EMI) radiation emitted. The devices feature a low-jitter input stage, wide dynamic range output amplifiers, ultralow power mode and low-quiescent current.

The SN75DP119RHHT is available with a wide range of slew rates and jitter tolerances and is both robust and reliable. The device provides up to 8dB of signal gain as well as 3 dBc/Hz of stimulated jitter attenuation in both directions. The device\'s low-power mode also allows for power savings when there is no data on the transmission line.

In summary, the SN75DP119RHHT is a high-performance, robust and reliable device designed to meet the needs of high-speed MIPI D-PHY applications. It is available in 14-pin EP and 8-pin IHS packages and features dual differential receiver pairs, low-latency differential signaling, wide dynamic range output amplifiers and an ultralow power mode. The device also supports the MIPI Alliance EMI Shielding to reduce the amount of EMI radiation emitted.

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