Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
SN75DP118RHHT

SN75DP118RHHT

Texas Instruments

IC REDRIVER DISPLAYPORT 36VQFN

250

SCAN15MB200TSQ/NOPB

SCAN15MB200TSQ/NOPB

Texas Instruments

IC MULTIPLEXER LVDS 2CH 48WQFN

0

DS90LV001TMX

DS90LV001TMX

Texas Instruments

IC REDRIVER LVDS 1CH 8SOIC

0

DS42MB200TSQ/NOPB

DS42MB200TSQ/NOPB

Texas Instruments

IC MULTIPLEXER 2CH 48WQFN

0

SN75DP119RGYT

SN75DP119RGYT

Texas Instruments

IC REDRIVER DISPLAYPORT 14VQFN

500

DS80PCI810NJYR

DS80PCI810NJYR

Texas Instruments

IC REDRIVER PCIE 8CHAN 54WQFN

7190

DS90LV004TVS/NOPB

DS90LV004TVS/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 48TQFP

1756

TCA4311DRG4

TCA4311DRG4

Texas Instruments

IC ACCELERATOR I2C HOTSWAP 8SOIC

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

SN65LVDS22PWR

SN65LVDS22PWR

Texas Instruments

SN65LVDS22 DUAL MULTIPLEXED LVDS

12852

DS15BA101SDX/NOPB

DS15BA101SDX/NOPB

Texas Instruments

DS15BA101 1.5-GBPS DIFFERENTIAL

84943

TUSB544IRNQR

TUSB544IRNQR

Texas Instruments

IC REDRIVER USB TYPE C 40WQFN

2530

DS30BA101SQX/NOPB

DS30BA101SQX/NOPB

Texas Instruments

DS30BA101 3.125-GBPS DIFFERENTIA

17920

SN65LVDS105PW

SN65LVDS105PW

Texas Instruments

IC MULTIPLEXER 1CH 16TSSOP

149

SN65LVDS101D

SN65LVDS101D

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

1171

SN65LVDS116DGGG4

SN65LVDS116DGGG4

Texas Instruments

IC MULTIPLEXER 1CH 64TSSOP

0

SN65LVPE502BRGER

SN65LVPE502BRGER

Texas Instruments

TELECOM CIRCUIT, 1-FUNC, PQCC24

2930

DS80PCI800SQ/NOPB

DS80PCI800SQ/NOPB

Texas Instruments

IC REDRIVER PCIE 8CH 54WQFN

2081

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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