Interface - Signal Buffers, Repeaters, Splitters

Image Part Number Description / PDF Quantity Rfq
DS25BR440TSQX/NOPB

DS25BR440TSQX/NOPB

Texas Instruments

IC REDRIVER LVDS 4CH 40WQFN

0

PCA9515AD

PCA9515AD

Texas Instruments

IC REDRIVER I2C 1CH 400KHZ 8SOIC

1391

SN65MLVD129DGG

SN65MLVD129DGG

Texas Instruments

SN65MLVD129 DUAL 1:4 LVTTL TO M-

13032

LTC1694-1IS5#TRMPBF

LTC1694-1IS5#TRMPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH TSOT23-5

1670

DS25MB100TSQ/NOPB

DS25MB100TSQ/NOPB

Texas Instruments

IC MULTIPLEXER 1CH 36WQFN

15

LTC4304CMS#PBF

LTC4304CMS#PBF

Analog Devices, Inc.

IC ACCELERATR I2C HOTSWAP 10MSOP

3580

LTC4311IDC#TRMPBF

LTC4311IDC#TRMPBF

Analog Devices, Inc.

IC ACCELERATOR I2C 1CH 6DFN

164

SN65LVDS20DRFT

SN65LVDS20DRFT

Texas Instruments

IC LVDS REPETR/TRANSLTR 8-SON

597

TUSB522PRGER

TUSB522PRGER

Texas Instruments

IC REDRIVER DUAL USB 3.1 24VQFN

0

NB7NPQ7021MMUTXG

NB7NPQ7021MMUTXG

3.3 VOLT USB 3.1 DUAL CHANNEL LI

32545

PTN36001HXZ

PTN36001HXZ

NXP Semiconductors

IC REDRIVER USB 3.0 12X2QFN

0

DS280BR810ZBFR

DS280BR810ZBFR

Texas Instruments

IC REPEATER 28GBPS 135NFBGA

0

MAX14950CTO+

MAX14950CTO+

Maxim Integrated

IC REDRIVER PCIE 4CH 42TQFN

0

MAX4951AECTP+T

MAX4951AECTP+T

Analog Devices, Inc.

MAX4951 SATA I/II/III BIDIRECTIO

9910

PTN36241BBS,115

PTN36241BBS,115

NXP Semiconductors

IC REDRIVER USB 3.0 1CH 24HVQFN

650

PI2EQX4401DZFEX

PI2EQX4401DZFEX

Zetex Semiconductors (Diodes Inc.)

IC REDRIVER PCIE 2CH 36TQFN

0

PTN36502HQX

PTN36502HQX

NXP Semiconductors

IC REDRIVER USB 3.1 & DP 1.2 QFN

7983

DS30BA101SQ/NOPB

DS30BA101SQ/NOPB

Texas Instruments

DS30BA101 3.125-GBPS DIFFERENTIA

14971

SN65LVDS19DRFR

SN65LVDS19DRFR

Texas Instruments

PECL TO LVDS TRANSLATOR

14955

89HP0604SZBABG8

89HP0604SZBABG8

Renesas Electronics America

IC REDRIVER SAS/SATA 100BGA

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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