Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
LTC4313IDD-3#TRPBF

LTC4313IDD-3#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

0

89HP0604SBZBNRGI

89HP0604SBZBNRGI

Renesas Electronics America

IC REDRIVER SAS/SATA 36VFQFPN

0

LTC4300A-3CDD#PBF

LTC4300A-3CDD#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

308

PI3DPX1207CZHEX

PI3DPX1207CZHEX

Zetex Semiconductors (Diodes Inc.)

ACTIVE DISPLAY V-QFN3590-42

0

PI2EQX5964ZFEX

PI2EQX5964ZFEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER PCIE 4CH 56TQFN

0

89HP0608SZBABG8

89HP0608SZBABG8

Renesas Electronics America

IC REDRIVER I2C 8CH 100BGA

0

SN65LVDS1050PWR

SN65LVDS1050PWR

Texas Instruments

IC REDRIVER 2CH 400MBPS 16TSSOP

1079

LTC4315IDE#TRPBF

LTC4315IDE#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 12DFN

0

89HP0608SZBABGI8

89HP0608SZBABGI8

Renesas Electronics America

IC REDRIVER I2C 8CH 100BGA

0

DS280DF810ABVR

DS280DF810ABVR

Texas Instruments

IC RETIMER 28GBPS 135-FCBGA

495

SN65LVPE502RGET

SN65LVPE502RGET

Texas Instruments

IC REDRIVER USB 3.0 2CH 24VQFN

206

SN65LVDS101DGKRG4

SN65LVDS101DGKRG4

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

0

DS91M125TMA/NOPB

DS91M125TMA/NOPB

Texas Instruments

IC MULTIPLEXER LVDS 1CH 16SOIC

364

SN65LVP20DRFT

SN65LVP20DRFT

Texas Instruments

IC LVPECL REPETR/TRANSLTR 8-SON

325

DS40MB200SQ

DS40MB200SQ

MULTIPLEXER, DS40 SERIES, 2-FUNC

27280

DS100KR800SQE/NOPB

DS100KR800SQE/NOPB

Texas Instruments

IC REDRIVER 8CH 10.3GBPS 54WQFN

0

P82B96DG4

P82B96DG4

Texas Instruments

P82B96 DUAL BIDIRECTIONAL BUS BU

150

ISL33003IRT2Z

ISL33003IRT2Z

Intersil (Renesas Electronics America)

IC ACCELERATOR I2C HOTSWAP 8TDFN

0

DS100KR800SQ/NOPB

DS100KR800SQ/NOPB

Texas Instruments

IC REDRIVER 8CH 10.3GBPS 54WQFN

0

LTC4315CMS#TRPBF

LTC4315CMS#TRPBF

Analog Devices, Inc.

IC ACCELERATR I2C HOTSWAP 12MSOP

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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