Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
DS80PCI402SQ/NOPB

DS80PCI402SQ/NOPB

Texas Instruments

IC REDRIVER PCIE 8CH 54WQFN

1577

BA8274F-E2

BA8274F-E2

ROHM Semiconductor

IC REDRIVER I2C 2CH 8SOP

2356

ISL33003IRT2Z-T

ISL33003IRT2Z-T

Intersil (Renesas Electronics America)

IC ACCELERATOR I2C HOTSWAP 8TDFN

0

PI3EQX1002B1ZLEX

PI3EQX1002B1ZLEX

Zetex Semiconductors (Diodes Inc.)

USB3 EQX W-QFN2545-30

0

SN75LVCP600SDSKT

SN75LVCP600SDSKT

Texas Instruments

IC REDRIVER SAS/SATA 1CH 10SON

2293

PI3DPX1207BZHEX

PI3DPX1207BZHEX

Zetex Semiconductors (Diodes Inc.)

ACTIVE DISPLAY V-QFN3590-42 T&R

0

PI3EQX10908AZFEX

PI3EQX10908AZFEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER 8CH 10GBPS 54TQFN

0

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

PI3EQX1002BZLEX

PI3EQX1002BZLEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER USB 3.1 GEN-2 30TQFN

1425

LTC4307IDD-1#PBF

LTC4307IDD-1#PBF

LTC4307 - LOW OFFSET I2C BUS BUF

4961

LTC4300A-2CMS8#TRPBF

LTC4300A-2CMS8#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

2762

SN65LVCP40RGZTG4

SN65LVCP40RGZTG4

Texas Instruments

IC MULTIPLEXER LVDS 2CH 48VQFN

0

SN75LVCP422DB

SN75LVCP422DB

Texas Instruments

IC REDRIVER ESATA 2CH 20SSOP

242

LTC4313IMS8-2#PBF

LTC4313IMS8-2#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

2662

LTC4313IMS8-1#TRPBF

LTC4313IMS8-1#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

DS160PR412RUAR

DS160PR412RUAR

Texas Instruments

PCIE 4.0, 16-GBPS, 4-CHANNEL LIN

3000

SN65LVDT101D

SN65LVDT101D

Texas Instruments

IC REDRIVER 1CH 2GBPS 8SOIC

157

MAX4951CCTP+T

MAX4951CCTP+T

Maxim Integrated

IC REDRIVER ESATA 1CH 20TQFN

15000

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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