Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
PCA9517ATP,147

PCA9517ATP,147

NXP Semiconductors

IC REDRIVER I2C 1CH 8HWSON

13249

PCA9515AD112

PCA9515AD112

NXP Semiconductors

IC REDRIVER I2C 1CH 400KHZ 8SO

1867

DS125BR800ANJYR

DS125BR800ANJYR

Texas Instruments

IC REDRIVER PCIE/SAS 8CH 54WQFN

0

SN65LVDS100DRG4

SN65LVDS100DRG4

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

0

DS50PCI401SQ/NOPB

DS50PCI401SQ/NOPB

Texas Instruments

IC REDRIVER PCIE 8CH 54WQFN

0

LTC4302IMS-2#PBF

LTC4302IMS-2#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C 2CH 10MSOP

24

LTC4300A-1IMS8#PBF

LTC4300A-1IMS8#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

36

SN65LVDS104PWR

SN65LVDS104PWR

Texas Instruments

IC MULTIPLEXER 1CH 16TSSOP

984

P82B96DRG4

P82B96DRG4

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

0

RPT86FS

RPT86FS

Analog Devices, Inc.

LOW POWER PCM REPEATER

0

LTC4300-1CMS8#TRPBF

LTC4300-1CMS8#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

SN65LVP17DRFR

SN65LVP17DRFR

Texas Instruments

PECL TO LVDS TRANSLATOR

12000

FIN1102MTCX

FIN1102MTCX

LINE TRANSCEIVER, 2 FUNC, 2 DRIV

47720

SN65LVDS101DGKR

SN65LVDS101DGKR

Texas Instruments

SN65LVDS101 2GBPS LVDS/LVPECL/CM

4232

LTC4332CUFD#TRPBF

LTC4332CUFD#TRPBF

Analog Devices, Inc.

SPI EXTEND OVER RUGGED DIFFERENT

0

PCA9514AD,118

PCA9514AD,118

NXP Semiconductors

IC BUFFER I2C/SMBUS HOTSWAP 8SO

0

DS25BR110TSDX/NOPB

DS25BR110TSDX/NOPB

Texas Instruments

IC REDRIVER LVDS 1CH 8WSON

0

LTC4309CGN#PBF

LTC4309CGN#PBF

Analog Devices, Inc.

IC ACCELERATR I2C HOTSWAP 16SSOP

84

LTC4311CDC#TRPBF

LTC4311CDC#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH 6DFN

0

PI3EQX502IZHEX

PI3EQX502IZHEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER USB 3.0 1CH 16TQFN

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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