Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
SN65LVCP418PAPR

SN65LVCP418PAPR

Texas Instruments

SN65LVCP418 8-CHANNEL 4.25 GBPS

23000

DS125BR800SQE/NOPB

DS125BR800SQE/NOPB

Texas Instruments

DS125BR800 2.5/5.0/8.0 GBPS 8 CH

134

SN65LVPE501RGET

SN65LVPE501RGET

Texas Instruments

IC REDRIVER PCIE 2CH 24VQFN

577

SN65LVDS100DG4

SN65LVDS100DG4

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

0

DS92001TMAX/NOPB

DS92001TMAX/NOPB

Texas Instruments

IC REDRIVER BLVDS 1CH 8SOIC

0

SN65LVDS1050PWG4

SN65LVDS1050PWG4

Texas Instruments

SN65LVDS1050 DUAL LVDS TRANSCEIV

979

PCA9515APWG4

PCA9515APWG4

Texas Instruments

IC REDRIVER I2C 1CH 8TSSOP

0

DS80PCI102SQ/NOPB

DS80PCI102SQ/NOPB

Texas Instruments

IC REDRIVER PCIE 2CH 24WQFN

1251

SN75LVCP412RTJR

SN75LVCP412RTJR

Texas Instruments

IC REDRIVER SATA 2CH 3GBPS 20QFN

865

DS90LV001TLD/NOPB

DS90LV001TLD/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8WSON

6485

PCA9515ADR

PCA9515ADR

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

1574

SN65LVPE501RGER

SN65LVPE501RGER

Texas Instruments

IC REDRIVER PCIE 2CH 24VQFN

2223

DS280BR820ZBLR

DS280BR820ZBLR

Texas Instruments

IC REPEATER 28GBPS 135NFBGA

0

TUSB1064RNQT

TUSB1064RNQT

Texas Instruments

USB-C 10GBPS ALT MODE UFP MUX RE

0

SN65LVPE502ARLLR

SN65LVPE502ARLLR

Texas Instruments

DUAL CHANNEL USB 3.0 REDRIVER

6000

SN65LVDS22DR

SN65LVDS22DR

Texas Instruments

SN65LVDS22 DUAL MULTIPLEXED LVDS

5000

SN65LVP19DRFT

SN65LVP19DRFT

Texas Instruments

SN65LVP19 2.5-V/3.3-V OSCILLATOR

29821

DS40MB200SQ/NOPB

DS40MB200SQ/NOPB

Texas Instruments

IC MULTIPLEXER 2CH 4GBPS 48WQFN

0

PCA9515APWT

PCA9515APWT

Texas Instruments

PCA9515A DUAL BIDIRECTIONAL I2C

17750

SN75LVCP412RTJT

SN75LVCP412RTJT

Texas Instruments

IC REDRIVER SATA 2CH 3GBPS 20QFN

2

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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