Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
DS280BR820ZBLT

DS280BR820ZBLT

Texas Instruments

IC REDRIVER 28GBPS 135-NFBGA

242

P82B96D

P82B96D

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

215

DS15BR401TVSX/NOPB

DS15BR401TVSX/NOPB

DS15BR401 4-CHANNEL LVDS BUFFER/

12250

LTC1694IS5#TRPBF

LTC1694IS5#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH TSOT23-5

2199

89HP0604QZBNRGI8

89HP0604QZBNRGI8

Renesas Electronics America

IC REDRIVER I2C 4CH 36VFQFPN

0

LTC1694IS5#TRMPBF

LTC1694IS5#TRMPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH TSOT23-5

882

P82B96TD,112

P82B96TD,112

NXP Semiconductors

IC REDRIVER I2C 2CH 400KHZ 8SO

16948

LTC4313CDD-2#PBF

LTC4313CDD-2#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

69

LTC4301CMS8#TRPBF

LTC4301CMS8#TRPBF

Analog Devices, Inc.

IC REDRIVER I2C HOTSWAP 8MSOP

2350

SN65LVDM22D

SN65LVDM22D

Texas Instruments

IC MULTIPLEXER LVDS 1CH 16SOIC

66

SN75DP119RHHR

SN75DP119RHHR

Texas Instruments

SN75DP119 EMBEDDED DISPLAYPORT (

0

DS15BR401TSQ

DS15BR401TSQ

LINE TRANSCEIVER, 1 FUNC, 4 DRIV

809

SN65LVDS20DRFRG4

SN65LVDS20DRFRG4

Texas Instruments

IC LVPECL/LVDS REPEAT/XLATR 8SON

0

SN75LVPE4410RNQT

SN75LVPE4410RNQT

Texas Instruments

16G PCIE-4 REDRIVER

230

SN65LVDT100DGKG4

SN65LVDT100DGKG4

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

0

SN65LVDS105PWG4

SN65LVDS105PWG4

Texas Instruments

IC MULTIPLEXER 1CH 16TSSOP

0

FIN1101K8X

FIN1101K8X

Sanyo Semiconductor/ON Semiconductor

IC REDRIVER LVDS 1CH 1.6GBPS US8

2147483647

MAX14980ETO+T

MAX14980ETO+T

Maxim Integrated

IC REDRIVER SAS/SATA 2CH 42TQFN

0

SN65LVDT100D

SN65LVDT100D

Texas Instruments

SN65LVDT100 2GBPS LVDS/LVPECL/CM

5087

PI3EQX501BQZAEX

PI3EQX501BQZAEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER USB 3.0 5GBPS 8TDFN

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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