Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
DS15BR400TSQ/NOPB

DS15BR400TSQ/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 32WQFN

1958

P82B96PWR

P82B96PWR

Texas Instruments

IC REDRIVER I2C 1CH 8TSSOP

2337

DS280BR820ZBLT

DS280BR820ZBLT

Texas Instruments

IC REDRIVER 28GBPS 135-NFBGA

242

P82B96D

P82B96D

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

215

SN65LVDM22D

SN65LVDM22D

Texas Instruments

IC MULTIPLEXER LVDS 1CH 16SOIC

66

SN75DP119RHHR

SN75DP119RHHR

Texas Instruments

SN75DP119 EMBEDDED DISPLAYPORT (

0

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

SN65LVDT100D

SN65LVDT100D

Texas Instruments

SN65LVDT100 2GBPS LVDS/LVPECL/CM

5087

DS80PCI402SQ/NOPB

DS80PCI402SQ/NOPB

Texas Instruments

IC REDRIVER PCIE 8CH 54WQFN

1577

SN75LVCP600SDSKT

SN75LVCP600SDSKT

Texas Instruments

IC REDRIVER SAS/SATA 1CH 10SON

2293

PCA9517D

PCA9517D

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

194

SN75LVCP412CDRTJR

SN75LVCP412CDRTJR

Texas Instruments

SN75LVCP412CD TWO CHANNEL SATA 3

15000

SN75LVCP422DBR

SN75LVCP422DBR

Texas Instruments

IC REDRIVER ESATA 2CH 20SSOP

407

SN65LVCP40RGZTG4

SN65LVCP40RGZTG4

Texas Instruments

IC MULTIPLEXER LVDS 2CH 48VQFN

0

SN75LVCP422DB

SN75LVCP422DB

Texas Instruments

IC REDRIVER ESATA 2CH 20SSOP

242

DS160PR412RUAR

DS160PR412RUAR

Texas Instruments

PCIE 4.0, 16-GBPS, 4-CHANNEL LIN

3000

SN65LVDT101D

SN65LVDT101D

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

157

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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