Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
TCA4311ADGKR

TCA4311ADGKR

Texas Instruments

IC REDRIVER I2C HOTSWAP 8VSSOP

0

SN75LVPE802RTJR

SN75LVPE802RTJR

Texas Instruments

IC SATA EXPRESS 2 CHAN 20QFN

374

SN65LVCP40RGZR

SN65LVCP40RGZR

Texas Instruments

IC MULTIPLEXER LVDS 2CH 48VQFN

0

89HP0604SBZBNRG

89HP0604SBZBNRG

Renesas Electronics America

IC REDRIVER SAS/SATA 36VFQFPN

0

PCA9515ADGKRG4

PCA9515ADGKRG4

Texas Instruments

IC REDRIVER I2C 1CH 8VSSOP

0

SN75DP118RHHR

SN75DP118RHHR

Texas Instruments

IC REDRIVER DISPLAYPORT 36VQFN

4996

THCX222R10-B

THCX222R10-B

CEL (California Eastern Laboratories)

10.0 GBPS USB3.1 GEN2 REPEAT WIT

460

MAX3770CEE

MAX3770CEE

Analog Devices, Inc.

FIBRE CH REPEATER

2708

ISL88694IH5Z-TK

ISL88694IH5Z-TK

Intersil (Renesas Electronics America)

IC ACCELERATOR I2C 2CH SOT-5

701

DS15BR400TVS

DS15BR400TVS

LINE TRANSCEIVER, 1 FUNC, 4 DRIV

3484

DS15BR400TSQ

DS15BR400TSQ

Texas Instruments

IC REDRIVER LVDS 4CH 32WQFN

0

LTC4313CMS8-3#PBF

LTC4313CMS8-3#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

PCA9510AD,118

PCA9510AD,118

NXP Semiconductors

IC REDRIVER I2C HOTSWAP 1CH 8SO

2827

LTC4313IDD-3#PBF

LTC4313IDD-3#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8DFN

1364

LTC4308CMS8#PBF

LTC4308CMS8#PBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

478

TCA4311ADR

TCA4311ADR

Texas Instruments

IC ACCELERATOR I2C HOTSWAP 8SOIC

2250

P82B96P

P82B96P

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8DIP

469

DS280MB810ZBLR

DS280MB810ZBLR

Texas Instruments

IC REPEATER 28GBPS 135NFBGA

0

LTC4301IMS8#PBF

LTC4301IMS8#PBF

Analog Devices, Inc.

IC REDRIVER I2C HOTSWAP 8MSOP

3271

DS92001TLD

DS92001TLD

LINE TRANSCEIVER, 1 FUNC, 1 DRIV

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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