Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
PI3DPX1207B1ZHIEX

PI3DPX1207B1ZHIEX

Zetex Semiconductors (Diodes Inc.)

ACTIVE DISPLAY V-QFN3590-42

2815

89HP0604SZBNRG8

89HP0604SZBNRG8

Renesas Electronics America

IC REDRIVER SAS/SATA 36VFQFPN

0

RPT86FP

RPT86FP

Analog Devices, Inc.

LOW POWER PCM REPEATER

3899

SN65LVDS20DRFTG4

SN65LVDS20DRFTG4

Texas Instruments

IC LVPECL/LVDS REPEAT/XLATR 8SON

0

PI3DPX1202ZLAEX

PI3DPX1202ZLAEX

Zetex Semiconductors (Diodes Inc.)

DP1.2 REDRIVER WITH CURRENT DIE

0

MAX9175EUB+T

MAX9175EUB+T

Maxim Integrated

IC MULTIPLEXER LVDS 1CH 10UMAX

7500

LTC4300A-2CMS8#PBF

LTC4300A-2CMS8#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

413

PI3EQX7502AIZDE+DA

PI3EQX7502AIZDE+DA

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER USB 3.0 2CH 24TQFN

0

SN65LVDT101DGK

SN65LVDT101DGK

Texas Instruments

IC REDRIVER 1CH 2GBPS 8VSSOP

502

LTC4311ISC6#TRMPBF

LTC4311ISC6#TRMPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH SC70-6

6275

PI6ULS5V9509UEX

PI6ULS5V9509UEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER I2C 1CH 400KHZ 8MSOP

0

SN65LVDS117DGGR

SN65LVDS117DGGR

Texas Instruments

IC MULTIPLEXER 1CH 64TSSOP

1947

LTC4313CMS8-1#PBF

LTC4313CMS8-1#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

720

SN65LVCP418PAPR

SN65LVCP418PAPR

Texas Instruments

SN65LVCP418 8-CHANNEL 4.25 GBPS

23000

PCA9600DP,118

PCA9600DP,118

NXP Semiconductors

IC REDRIVER I2C 1CH 8TSSOP

8549

89HP0604QBZBNRG

89HP0604QBZBNRG

Renesas Electronics America

IC REDRIVER I2C 4CH 36VFQFPN

0

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

LTC4304CDD#TRPBF

LTC4304CDD#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 10DFN

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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