Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
PCA9513AD,118

PCA9513AD,118

NXP Semiconductors

IC BUFFER I2C/SMBUS HOTSWAP 8SO

4481

DS80PCI810NJYR

DS80PCI810NJYR

Texas Instruments

IC REDRIVER PCIE 8CHAN 54WQFN

7190

PCA9517ADP,118

PCA9517ADP,118

NXP Semiconductors

IC REDRIVER I2C 1CH 8TSSOP

53644

DS90LV004TVS/NOPB

DS90LV004TVS/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 48TQFP

1756

LTC1694-1IS5#TRPBF

LTC1694-1IS5#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH TSOT23-5

0

THCX222R05-B

THCX222R05-B

CEL (California Eastern Laboratories)

5.0 GBPS USB3.1 GEN1 REPEAT WITH

1237

TCA4311DRG4

TCA4311DRG4

Texas Instruments

IC ACCELERATOR I2C HOTSWAP 8SOIC

0

LTC4300A-3IMS8#PBF

LTC4300A-3IMS8#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

PCA9509GM,125

PCA9509GM,125

NXP Semiconductors

IC REDRIVER I2C 2CH 400KHZ 8XQFN

4334

LTC4313IDD-2#TRPBF

LTC4313IDD-2#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

0

DS25BR101TSDE/NOPB

DS25BR101TSDE/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8WSON

57

DS15MB200TSQX/NOPB

DS15MB200TSQX/NOPB

Texas Instruments

IC MULTIPLEXER LVDS 4CH 48WQFN

0

DS280MB810ZBLT

DS280MB810ZBLT

Texas Instruments

IC REDRIVER 28GBPS 135NFBGA

233

LTC4307CMS8#PBF

LTC4307CMS8#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

6115

ISL33001IRT2Z

ISL33001IRT2Z

Intersil (Renesas Electronics America)

IC ACCELERATOR I2C HOTSWAP 8TDFN

0

DS15BR401TVS

DS15BR401TVS

LINE TRANSCEIVER, 1 FUNC, 4 DRIV

392

MAX4952ACTI+

MAX4952ACTI+

Maxim Integrated

IC REDRIVER SAS/SATA 2CH 28TQFN

1375

NB7NPQ1104MMTTWG

NB7NPQ1104MMTTWG

Sanyo Semiconductor/ON Semiconductor

3.3 V USB 3.1 GEN-2 10GBP

0

PI6ULS5V9515AZEEX

PI6ULS5V9515AZEEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER I2C 1CH 400KHZ 8TDFN

0

LTC4300A-3IDD#TRPBF

LTC4300A-3IDD#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

0

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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