Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
SN65LVDT101DG4

SN65LVDT101DG4

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

0

DS125BR401SQE/NOPB

DS125BR401SQE/NOPB

Texas Instruments

IC REDRIVER PCIE/SAS/SATA 54WQFN

240

DS90LV001TM/NOPB

DS90LV001TM/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8SOIC

4944

TUSB1044IRNQT

TUSB1044IRNQT

Texas Instruments

USB-C 10GBPS MULTI-PROT LINEAR R

162

DS100BR410SQX/NOPB

DS100BR410SQX/NOPB

Texas Instruments

IC REDRIVER SATA 4CH 48WQFN

0

DS100BR111SQ/NOPB

DS100BR111SQ/NOPB

Texas Instruments

IC REDRIVER SATA 2CH 24WQFN

108

SN65LVDS22PW

SN65LVDS22PW

Texas Instruments

IC MULTIPLEXER 1CH 16TSSOP

63

DS80PCI102SQE/NOPB

DS80PCI102SQE/NOPB

Texas Instruments

IC REDRIVER PCIE 2CH 24WQFN

6312

DS92001TLD/NOPB

DS92001TLD/NOPB

Texas Instruments

IC REDRIVER BLVDS 1CH 8WSON

298

PCA9515BDGKR

PCA9515BDGKR

Texas Instruments

IC REDRIVER I2C 1CH 8VSSOP

0

SN65LVCP1414RLJR

SN65LVCP1414RLJR

Texas Instruments

SN65LVCP1414 14.2-GBPS QUAD CHAN

17928

DS25BR110TSD/NOPB

DS25BR110TSD/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8WSON

3040

TCA4311DR

TCA4311DR

Texas Instruments

IC ACCELERATOR I2C HOTSWAP 8SOIC

0

SN65LVDS105PWR

SN65LVDS105PWR

Texas Instruments

IC MULTIPLEXER 1CH 16TSSOP

3489

SN65LVDS100DR

SN65LVDS100DR

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

0

SN65LVDS117DGG

SN65LVDS117DGG

Texas Instruments

SN65LVDS117 DUAL 8-PORT LVDS REP

5004

PCA9515ADG4

PCA9515ADG4

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

0

SN65LVDT101DGKR

SN65LVDT101DGKR

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

0

TUSB544RNQR

TUSB544RNQR

Texas Instruments

USB-C 10GBPS MULTI-PROT LINEAR R

0

SN75DP119RHHT

SN75DP119RHHT

Texas Instruments

IC REDRIVER DISPLAYPORT 36VQFN

236

Interface - Signal Buffers, Repeaters, Splitters

1. Overview

Signal buffers, repeaters, and splitters are critical components in electronic systems for maintaining signal integrity, extending transmission distances, and distributing signals across multiple channels. These ICs act as intermediaries in data pathways, ensuring reliable communication between devices by amplifying weak signals, regenerating degraded waveforms, or dividing input signals into multiple outputs. Their importance has grown exponentially with the rise of high-speed data networks, IoT ecosystems, and advanced industrial automation systems.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Signal BuffersHigh input impedance, low output impedance, signal amplification without inversionMemory address drivers, bus interface circuits
RepeatersSignal regeneration, noise filtering, timing recoveryEthernet extenders, fiber optic communication
SplittersSignal distribution, impedance matching, isolation between outputsHDMI signal distribution, industrial sensor networks

3. Structure and Components

Typical IC construction includes: - Encapsulation: TSSOP, QFN, or BGA packages with 8-100+ pins - Internal Circuitry: Differential amplifiers, Schmitt triggers, termination resistors - Electrical Interface: Support for LVDS, RS-485, HDMI 2.1, or USB 3.2 standards - Thermal Management: Integrated heat spreaders or thermal pads for power dissipation

4. Key Technical Specifications

ParameterImportance
Bandwidth (0.1-10 Gbps)Determines maximum data transfer rate
Propagation Delay (1-50 ns)Impacts system timing synchronization
Signal-to-Noise Ratio (SNR) (>60 dB)Measures transmission clarity
Power Consumption (100mW-2W)Affects thermal design and efficiency
Impedance Matching (50 -100 )Minimizes signal reflections

5. Application Fields

Key industries include: - Telecommunications: 5G base stations, optical network units - Consumer Electronics: Smart TVs, gaming consoles - Industrial Automation: PLC systems, sensor hubs - Automotive: CAN bus extenders, ADAS sensor interfaces - Medical Devices: MRI machine signal routing

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Features
Texas InstrumentsSN74LVC1G125Low-voltage buffer with 85MHz bandwidth
NXP SemiconductorsPCA9306I2C bus voltage-level translation
STMicroelectronicsTS3DS12404-channel HDMI buffer with 2.5Gbps per lane

7. Selection Guidelines

Key considerations: - Match bandwidth requirements with application data rates - Verify voltage level compatibility (e.g., 1.8V/3.3V/5V logic) - Assess drive strength needs for connected loads - Consider package type for PCB space constraints - Analyze power budget and thermal management requirements - Evaluate EMI/ESD protection features for harsh environments

8. Industry Trends

Emerging developments include: - Integration with protocol conversion (e.g., USB-C to DisplayPort) - Development of AI-enhanced signal conditioning algorithms - Adoption of advanced packaging (3D stacking, SiP) - Push toward ultra-low power (<1mW standby) designs - Increased demand for automotive-grade parts (AEC-Q100 qualified) - Growth in wireless interface buffer solutions for 6G infrastructure

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