Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
ASNT5023

ASNT5023

ADSANTEC

17G DATA/CLK DISTRIBUTOR 1-TO-4

99

PI3EQX6801AZDEX

PI3EQX6801AZDEX

Zetex Semiconductors (Diodes Inc.)

SATA EQX W-QFN4040-20 T&R 3.5K

6257

LTC4301LCMS8#TRPBF

LTC4301LCMS8#TRPBF

Analog Devices, Inc.

IC REDRIVER I2C HOTSWAP 8MSOP

0

LTC4300-2CMS8#TRPBF

LTC4300-2CMS8#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

LTC4307IMS8#PBF

LTC4307IMS8#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

1127

PCA9512AD,112

PCA9512AD,112

NXP Semiconductors

IC BUFFER I2C/SMBUS HOTSWAP 8SO

1176

LTC1694-1CS5#TRPBF

LTC1694-1CS5#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH TSOT23-5

3224

DS125BR111RTWR

DS125BR111RTWR

Texas Instruments

IC REPEATER/EQUALIZR 2CH24WQFN

779

SN65LVDS22PWG4

SN65LVDS22PWG4

LINE TRANSCEIVER, 2 FUNC, 2 DRIV

0

PI2EQX638XUBEX

PI2EQX638XUBEX

Zetex Semiconductors (Diodes Inc.)

USB3 EQX X2-QFN2020-18 T&R 3.5K

0

DS25BR150TSD/NOPB

DS25BR150TSD/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8WSON

3130

SN65LVPE502CPRGER

SN65LVPE502CPRGER

Texas Instruments

TELECOM CIRCUIT, 2-FUNC, CMOS, P

4761

LTC4313CMS8-2#TRPBF

LTC4313CMS8-2#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

DS10BR254TSQ/NOPB

DS10BR254TSQ/NOPB

Texas Instruments

IC MULTIPLEXER LVDS 1CH 40WQFN

400

DS125BR401ANJYT

DS125BR401ANJYT

Texas Instruments

IC REDRIVER PCIE/SAS/SATA 54WQFN

383

NB7NQ621MMUTWG

NB7NQ621MMUTWG

Sanyo Semiconductor/ON Semiconductor

IC DISPLAYPORT REDRIVER X2QFN38

0

DS25MB100TSQ

DS25MB100TSQ

LINE TRANSCEIVER, 2 FUNC, 2 DRIV

0

LTC4307IMS8-1#TRPBF

LTC4307IMS8-1#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

ASNT5020

ASNT5020

ADSANTEC

17G DATA/CLK DISTRIBUTOR 1-TO-2

30

PI3EQX7741AIQZDEX

PI3EQX7741AIQZDEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER USB 5GBPS 20TQFN

17500

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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