Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
LTC1694CS5#TRPBF

LTC1694CS5#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH TSOT23-5

3385

89HP0604QZBNRG

89HP0604QZBNRG

Renesas Electronics America

IC REDRIVER I2C 4CH 36VFQFPN

0

SN65LVPE502ARLLR

SN65LVPE502ARLLR

Texas Instruments

DUAL CHANNEL USB 3.0 REDRIVER

6000

SN65LVDS22DR

SN65LVDS22DR

Texas Instruments

SN65LVDS22 DUAL MULTIPLEXED LVDS

5000

PI3DPX1203ZHEX

PI3DPX1203ZHEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER 8GBPS 42TQFN

16811

MAX14955ETL+

MAX14955ETL+

Analog Devices, Inc.

LINE EQUALIZER, BICMOS

19181

LTC4309IDE#PBF

LTC4309IDE#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 12DFN

315

SN65LVP19DRFT

SN65LVP19DRFT

Texas Instruments

SN65LVP19 2.5-V/3.3-V OSCILLATOR

29821

P82B96TD,118

P82B96TD,118

NXP Semiconductors

IC REDRIVER I2C 2CH 400KHZ 8SO

12500

NB7VPQ702MMUTXG

NB7VPQ702MMUTXG

USB 3.1 DUAL CHANNEL RE-DRIVER

27000

PI3EQX12908AZFEX

PI3EQX12908AZFEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER 12GBPS 8CHAN 54TQFN

0

LTC4300A-3CMS8#TRPBF

LTC4300A-3CMS8#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

2250

P82B96TD/S900,118

P82B96TD/S900,118

NXP Semiconductors

IC REDRIVER I2C 2CH 400KHZ 8SO

9734

PCA9508DP,118

PCA9508DP,118

NXP Semiconductors

IC REDRIVER I2C HOTSWAP 8TSSOP

3931

PCA9515D,118

PCA9515D,118

Flip Electronics

BUFFER, REDRIVER 1 CHANNEL 400KH

0

FIN1102MTC

FIN1102MTC

LINE TRANSCEIVER

6186

DS40MB200SQ/NOPB

DS40MB200SQ/NOPB

Texas Instruments

IC MULTIPLEXER 2CH 4GBPS 48WQFN

0

PCA9515APWT

PCA9515APWT

Texas Instruments

PCA9515A DUAL BIDIRECTIONAL I2C

17750

PCA9527DP,118

PCA9527DP,118

NXP Semiconductors

IC REDRIVER I2C 1CH 10TSSOP

4381

SN75LVCP412RTJT

SN75LVCP412RTJT

Texas Instruments

IC REDRIVER SATA 2CH 3GBPS 20QFN

2

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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