Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
PCA9515APW

PCA9515APW

Texas Instruments

IC REDRIVER I2C 1CH 8TSSOP

153

SN65LVDS18DRFT

SN65LVDS18DRFT

Texas Instruments

SN65LVDS18 2.5-V/3.3-V OSCILLATO

44418

PCA9617ATPZ

PCA9617ATPZ

NXP Semiconductors

IC REDRIVER I2C 1CH 1MHZ 8HWSON

12189

LTC4300-1IMS8#TRPBF

LTC4300-1IMS8#TRPBF

Analog Devices, Inc.

IC ACCELERATOR I2C HOTSWAP 8MSOP

0

PI3DPX1207Q3ZHEX

PI3DPX1207Q3ZHEX

Zetex Semiconductors (Diodes Inc.)

ACTIVE DISPLAY,V-QFN3590-42,T&R,

3236

TCA9511ADGKR

TCA9511ADGKR

Texas Instruments

TCA9511A

1707

DS91M124TMA/NOPB

DS91M124TMA/NOPB

DS91M124 125 MHZ 1:4 M-LVDS REPE

2425

DS2175S

DS2175S

Analog Devices, Inc.

DS2175 T1/CEPT ELASTIC STORE

2357

TCA9509DGKR

TCA9509DGKR

Texas Instruments

IC REDRIVER I2C 1CH 8VSSOP

10550

DS64BR111SQE/NOPB

DS64BR111SQE/NOPB

Texas Instruments

IC REDRIVER SAS/SATA 2CH 24WQFN

165

DS280DF810ABVT

DS280DF810ABVT

Texas Instruments

IC RETIMER 28GBPS 135-FCBGA

711

MAX4950ACTX+

MAX4950ACTX+

Maxim Integrated

IC REDRIVER PCIE 2CH 36TQFN

54400

SN65LVDS105PWRG4

SN65LVDS105PWRG4

Texas Instruments

IC MULTIPLEXER 1CH 16TSSOP

0

SN65LVPE502ARGER

SN65LVPE502ARGER

Texas Instruments

IC REDRIVER USB 3.0 2CH 24VQFN

0

SN75LVCP601RTJR

SN75LVCP601RTJR

Texas Instruments

IC REDRIVER SATA 2CH 6GBPS 20QFN

744

P82B715P

P82B715P

Texas Instruments

IC REDRIVER I2C 1CH 8DIP

242

SN65LVDS108DBTR

SN65LVDS108DBTR

Texas Instruments

IC MULTIPLEXER 1CH 38TSSOP

1399

LTC4304IMS#TRPBF

LTC4304IMS#TRPBF

Analog Devices, Inc.

IC ACCELERATR I2C HOTSWAP 10MSOP

0

PI3EQX8908A2ZFEX

PI3EQX8908A2ZFEX

Zetex Semiconductors (Diodes Inc.)

PCIE EQX W-QFN55100-54 T&R 3.5K

0

SN75DP120RHHR

SN75DP120RHHR

Texas Instruments

DISPLAYPORT 1:1 DUAL-MODE REPEAT

29960

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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