DS92LV0422SQE/NOPB Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Deserializer
Data Rate:	2.1Gbps
Input Type:	CML
Output Type:	LVDS
Number of Inputs:	1
Number of Outputs:	5
Voltage - Supply:	1.71 V ~ 1.89 V, 3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	48-WFQFN Exposed Pad
Supplier Device Package:	48-WQFN (7x7)
Base Part Number:	DS92LV0422

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DS92LV0422SQE/NOPB Serializers, Deserializers

The DS92LV0422SQE/NOPB is an automotive-grade serializer–deserializer (Serdes) designed by Texas Instruments (TI) for industrial, consumer, communication, and automotive applications. It is a high-performance, small form factor Serdes solution that incorporates performance features like flexible protocol selection, wide data width, low latency, and low power consumption. This device enables greater data transmits speeds and reduces footprint area. In addition, it enables better transmission of digital video streams, embedded video, and audio.This device provides 1.2 GHz serial (Tx and Rx) data rates, with a peak data rate of 1.3 GHZ, and operates at 0.9 V to 3.6 V. This device also offers a variety of system level speeds such as 802.3ba, SFF, SFP, XFP, and SPC interfaces. It enables data rate conversion for onboard peripheral devices, bridging different interface standards, and connectivity between FPGAs, ASICs, and processors.

Applications and Interfaces

The DS92LV0422SQE/NOPB is ideal for industrial, communication, automotive, Bluetooth, and consumer applications. It is designed to support serial protocols such as DisplayPort, LVDS, HDMI, MIPI, USB, and serial ATA, and Ethernet interfaces like 1000BASE-T, 100BASE-TX, and 10BASE-T. It can support data rates in the range of 1.32 to 24 Gbps. Additionally, it can also be used for serial DVI, Serial LVDS, and sFPDP protocols.The DS92LV0422SQE/NOPB supports an external reference clock, such as a spread spectrum clock. This device offers a low latency, low jitter input–output CML switches as well as an integrated output-coupling capacitor. It also supports a low-voltage differential signaling(LVDS)-compatible mode and enables support for up to six different selectable specialty optimized cores. Its QFN package supports metallic shields, which further reduce EMI performance.

Architecture and Working Principle

The DS92LV0422SQE/NOPB Serdes employs a dual-phase-locked-loop (DPLL) architecture that allows it to convert each data signal when being received by two analog paths and transmit information on a single path. The signal is divided into two incoming differential signals, which are then converted into two laser-light signals. These laser-light signals are then further processed and reconstructed into a single output signal.The device implements a low-noise adaptive adaptive equalizer which provides PCS-throughput pre-emphasis. This pre-emphasis helps to minimize jitter-induced signal degradation. The device also utilizes a low-noise-bandwidth controller to adaptively optimize the signal’s dynamic range, ensuring good signal quality.The DS92LV0422SQE/NOPB’s input–output path includes a low frequency offset section, which prevents signal drift caused by temperature variations and reduces inter-symbol interference. It also has a cross-point switch that helps reduce the number of input–output pins required. This device employs multi-lane switching, allowing it to switch data lanes depending on the specific application. This reduces the power consumption of the device, while still maintaining its high performance. The output signal integrity is also maintained with its high-speed pin-switching circuitry and signal-termination resistors that help reduce the capacitance of the signal lines.Lastly, the device employs a PLL to combat clock jitter in applications. It also has separate receivers and TX-drivers that help reduce the device’s total power consumption. The drivers allow for flexible output signal timing, while the receivers provide minimal latency and jitter. In conclusion, the DS92LV0422SQE/NOPB is a high-performance, low-power-consumption SerDes solution. It provides a variety of advantages, from low latency and jitter to efficient switching of data lanes. The different interface protocols offered and low-noise-bandwidth controller ensure signal-integrity, helping to make it ideal for a wide range of applications.

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