Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
SN65LVPE502RGER

SN65LVPE502RGER

Texas Instruments

IC REDRIVER USB 3.0 2CH 24VQFN

642

LTC4332HUFD#PBF

LTC4332HUFD#PBF

Analog Devices, Inc.

SPI EXTEND OVER RUGGED DIFFERENT

176

SN65LVDS104DG4

SN65LVDS104DG4

Texas Instruments

IC MULTIPLEXER 1CH 16SOIC

0

ISL33001IUZ

ISL33001IUZ

Intersil (Renesas Electronics America)

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

LTC4302CMS-2#PBF

LTC4302CMS-2#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C 2CH 10MSOP

150

PI3EQX1004ZHEX

PI3EQX1004ZHEX

Zetex Semiconductors (Diodes Inc.)

USB3 EQX V-QFN3590-42 T&R 3.5K

0

MAX9174EUB+T

MAX9174EUB+T

Maxim Integrated

IC MULTIPLEXER LVDS 1CH 10UMAX

9233

DS80PCI810NJYT

DS80PCI810NJYT

Texas Instruments

IC REDRIVER PCIE 8CHAN 54WQFN

706

LTC4307IDD#PBF

LTC4307IDD#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

447

PI3EQX8904ZHEX

PI3EQX8904ZHEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER 4CHAN 8GBPS 42TQFN

0

ISL33003IUZ-T

ISL33003IUZ-T

Intersil (Renesas Electronics America)

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

89HP0604SZBABGI8

89HP0604SZBABGI8

Renesas Electronics America

IC REDRIVER SAS/SATA 100BGA

0

PI6ULS5V9517BUEX

PI6ULS5V9517BUEX

Zetex Semiconductors (Diodes Inc.)

INTERFACE ULS MSOP-8

5000

SN75LVCP412CDRTJT

SN75LVCP412CDRTJT

Texas Instruments

IC REDRIVER SATA 2CH 3GBPS 20QFN

250

SN65LVDT100DR

SN65LVDT100DR

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

0

PCA9508D,118

PCA9508D,118

NXP Semiconductors

IC REDRIVER I2C HOTSWAP 1CH 8SO

5767

LTC4315CDE#PBF

LTC4315CDE#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 12DFN

182

LTC4302CMS-1#PBF

LTC4302CMS-1#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C 2CH 10MSOP

17

SN65LVDS1050PW

SN65LVDS1050PW

Texas Instruments

IC DUAL LVDS XLATR/RCVR 16-TSSOP

434

PCA9515ADP,118

PCA9515ADP,118

NXP Semiconductors

IC REDRIVER I2C 1CH 8TSSOP

12455

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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