Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
SN75DP119RGYR

SN75DP119RGYR

Texas Instruments

IC REDRIVER DISPLAYPORT 14VQFN

2630

PCA9517ADP/DG,118

PCA9517ADP/DG,118

NXP Semiconductors

IC REDRIVER I2C 1CH 8TSSOP

1900

SN65LVDS20DRFR

SN65LVDS20DRFR

Texas Instruments

SN65LVDS20 4-GBPS PECL TO LVDS T

4926

TUSB1044IRNQR

TUSB1044IRNQR

Texas Instruments

USB-C 10GBPS MULTI-PROT LINEAR R

0

SN65LVP16DRFT

SN65LVP16DRFT

Texas Instruments

SN65LVP16 2.5-V/3.3-V OSCILLATOR

9750

TUSB216RWBT

TUSB216RWBT

Texas Instruments

USB 2.0 REDRIVER

25

PCA9517D,118

PCA9517D,118

NXP Semiconductors

IC REDRIVER I2C 1CH 400KHZ 8SO

1054

LTC4301IDD#PBF

LTC4301IDD#PBF

Analog Devices, Inc.

IC REDRIVER I2C HOTSWAP 2CH 8DFN

675

PI3EQX7841ZDE+DA

PI3EQX7841ZDE+DA

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER USB 3.0 1CH 20TQFN

0

MAX14954ETO+T

MAX14954ETO+T

Maxim Integrated

IC REDRIVER PCIE 4CH 42TQFN

0

LTC4313IMS8-3#TRPBF

LTC4313IMS8-3#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

263

SN65LVDS104D

SN65LVDS104D

Texas Instruments

IC MULTIPLEXER 1CH 16SOIC

524

TCA9509MRVHR

TCA9509MRVHR

Texas Instruments

INTERFACE IC MISC

4385

TUSB2E22YCGR

TUSB2E22YCGR

Texas Instruments

TUSB2E22YCGR

0

PI6ULS5V9627AQE

PI6ULS5V9627AQE

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER 4 CHAN I2C 16QSOP

0

MAX4952CTO+

MAX4952CTO+

Maxim Integrated

IC REDRIVER SAS/SATA 4CH 42TQFN

240

PI2EQX3201BZFEX

PI2EQX3201BZFEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER 2CH 36TQFN

0

TCA9509RVHR

TCA9509RVHR

Texas Instruments

IC REDRIVER I2C 1CH 8X2QFN

0

SN65LVDS101DGK

SN65LVDS101DGK

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

303

PI2EQX6814NJEX

PI2EQX6814NJEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER SAS2/SATA/XAUI LBGA

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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