Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
TUSB1044RNQR

TUSB1044RNQR

Texas Instruments

USB-C 10GBPS MULTI-PROT LINEAR R

0

DS90LV001TMX/NOPB

DS90LV001TMX/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8SOIC

7404

TCA4311DGKR

TCA4311DGKR

Texas Instruments

BUFFER AMPLIFIER, 1 FUNC, PDSO8

6650

DS25BR440TSQ/NOPB

DS25BR440TSQ/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 40WQFN

2100

DS64BR111SQ/NOPB

DS64BR111SQ/NOPB

Texas Instruments

IC REDRIVER SAS/SATA 2CH 24WQFN

0

DS100KR401SQE/NOPB

DS100KR401SQE/NOPB

Texas Instruments

IC REDRIVER 8CH 10.3GBPS 54WQFN

250

DS125BR820NJYT

DS125BR820NJYT

Texas Instruments

IC REDRIVER PCIE/SAS/SATA 54WQFN

254

DS15BR401TSQ/NOPB

DS15BR401TSQ/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 32WQFN

2122

SN65LVDS17DRFTG4

SN65LVDS17DRFTG4

Texas Instruments

IC REDRIVER 1CH 4GBPS 8WSON

0

DS90LV804TSQ/NOPB

DS90LV804TSQ/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 32WQFN

9292

SN65LVP18DRFR

SN65LVP18DRFR

Texas Instruments

PECL TO LVDS TRANSLATOR

46898

PCA9515ADT

PCA9515ADT

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

155

DS100BR410SQE/NOPB

DS100BR410SQE/NOPB

Texas Instruments

IC REDRIVER SATA 4CH 48WQFN

950

SN65LVDS101DR

SN65LVDS101DR

Texas Instruments

SN65LVDS101 2GBPS LVDS/LVPECL/CM

8425

SN65LVDS16DRFT

SN65LVDS16DRFT

Texas Instruments

SN65LVDS16 2.5-V/3.3-V OSCILLATO

28700

SN65LVDS109DBTG4

SN65LVDS109DBTG4

Texas Instruments

IC MULTIPLEXER 1CH 38TSSOP

0

TUSB546-DCIRNQR

TUSB546-DCIRNQR

Texas Instruments

IC REDRIVER USB TYPE C 40-WQFN

2954

DS100BR410SQ/NOPB

DS100BR410SQ/NOPB

Texas Instruments

IC REDRIVER SATA 4CH 48WQFN

397

SN65LVDS100DGKR

SN65LVDS100DGKR

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

2913

DS15BA101SD/NOPB

DS15BA101SD/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8WSON

2118

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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