Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
LTC4308CMS8#TRPBF

LTC4308CMS8#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

DS90LV804TSQX/NOPB

DS90LV804TSQX/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 32WQFN

3048

PCA9515APWRG4

PCA9515APWRG4

Texas Instruments

IC REDRIVER I2C 1CH 8TSSOP

0

PI6ULS5V9515AUEX

PI6ULS5V9515AUEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER I2C 1CH 400KHZ 8MSOP

0

DS08MB200TSQX/NOPB

DS08MB200TSQX/NOPB

Texas Instruments

IC MULTIPLEXER LVDS 4CH 48WQFN

0

LTC1694CS5#TRMPBF

LTC1694CS5#TRMPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 2CH TSOT23-5

3081

LTC4308CDD#TRPBF

LTC4308CDD#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

0

SN65LVPE502CPRGET

SN65LVPE502CPRGET

Texas Instruments

IC REDRIVER USB 3.0 2CH 24VFQFN

478

P82B715D

P82B715D

Texas Instruments

IC REDRIVER I2C 1CH 8SOIC

288

DS100BR210SQ/NOPB

DS100BR210SQ/NOPB

Texas Instruments

IC REDRIVER SATA 2CH 24WQFN

505

PCA9515ADGKR

PCA9515ADGKR

Texas Instruments

IC REDRIVER I2C 1CH 8VSSOP

7539

P82B96PW

P82B96PW

Texas Instruments

IC REDRIVER I2C 1CH 8TSSOP

112

SN75LVCP600DRFT

SN75LVCP600DRFT

Texas Instruments

IC REDRIVER SATA 1CH 6GBPS 8WDFN

80

PI2EQX6874ZFE

PI2EQX6874ZFE

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER SAS/SATA 8CH 56TQFN

42

LTC4313CDD-3#TRPBF

LTC4313CDD-3#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

0

SN65LVDS100DGK

SN65LVDS100DGK

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

3722

DS90LV001TLDX/NOPB

DS90LV001TLDX/NOPB

Texas Instruments

DS90LV001 800-MBPS LVDS BUFFER

8580

PCA9510ADP,118

PCA9510ADP,118

NXP Semiconductors

IC REDRIVER I2C HOTSWAP 8TSSOP

33104

LTC4314CGN#TRPBF

LTC4314CGN#TRPBF

Analog Devices, Inc.

IC MULTIPLEXR I2C HOTSWAP 20SSOP

0

PCA9614DP,118

PCA9614DP,118

NXP Semiconductors

IC REDRIVER I2C 2CH 10TSSOP

3866

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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