Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
TCA4311ADGKR

TCA4311ADGKR

Texas Instruments

IC REDRIVER I2C HOTSWAP 8VSSOP

0

SN75LVPE802RTJR

SN75LVPE802RTJR

Texas Instruments

IC SATA EXPRESS 2 CHAN 20QFN

374

SN65LVCP40RGZR

SN65LVCP40RGZR

Texas Instruments

IC MULTIPLEXER LVDS 2CH 48VQFN

0

PCA9515ADGKRG4

PCA9515ADGKRG4

Texas Instruments

IC REDRIVER I2C 1CH 8VSSOP

0

SN75DP118RHHR

SN75DP118RHHR

Texas Instruments

IC REDRIVER DISPLAYPORT 36VQFN

4996

DS15BR400TSQ

DS15BR400TSQ

Texas Instruments

IC REDRIVER LVDS 4CH 32WQFN

0

TCA4311ADR

TCA4311ADR

Texas Instruments

IC ACCELERATOR I2C HOTSWAP 8SOIC

2250

P82B96P

P82B96P

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8DIP

469

DS280MB810ZBLR

DS280MB810ZBLR

Texas Instruments

IC REPEATER 28GBPS 135NFBGA

0

DS42MB100TSQ/NOPB

DS42MB100TSQ/NOPB

Texas Instruments

IC MULTIPLEXER 1CH 36WQFN

0

SN65LVP18DRFT

SN65LVP18DRFT

Texas Instruments

SN65LVP18 2.5-V/3.3-V OSCILLATOR

14281

DS100BR111SQE/NOPB

DS100BR111SQE/NOPB

Texas Instruments

IC REDRIVER SATA 2CH 24WQFN

798

SN65MLVD129DGGR

SN65MLVD129DGGR

Texas Instruments

IC MULTIPLEXER 1CH 48TSSOP

0

DS90LV001TLD

DS90LV001TLD

Texas Instruments

DS90LV001 800-MBPS LVDS BUFFER

23801

SN75LVCP412ARTJT

SN75LVCP412ARTJT

Texas Instruments

IC REDRIVER SATA 2CH 3GBPS 20QFN

305

SN65LVDS17DRFT

SN65LVDS17DRFT

Texas Instruments

IC REDRIVER 1CH 4GBPS 8WSON

342

SN65LVDS22D

SN65LVDS22D

Texas Instruments

IC MULTIPLEXER 1CH 16SOIC

120

DS80PCI402SQE/NOPB

DS80PCI402SQE/NOPB

Texas Instruments

IC REDRIVER PCIE 8CH 54WQFN

2090

SN75LVPE801DRFR

SN75LVPE801DRFR

Texas Instruments

IC REDRIVER SATA 8GBPS 8WFDFN

0

SN75LVCP412ARTJR

SN75LVCP412ARTJR

Texas Instruments

IC REDRIVER SATA 2CH 3GBPS 20QFN

3

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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