Interface - Telecom

Image Part Number Description / PDF Quantity Rfq
HC55143IM

HC55143IM

Intersil (Renesas Electronics America)

SLIC, 2-4 CONVERSION, PQCC32

476

HC3-5504B-5

HC3-5504B-5

EIA/ITU PABX SLIC

3278

TCA3385-FP

TCA3385-FP

TELEPHONE RINGER CIRCUIT, PDSO16

2364

TNETD4200GLS240

TNETD4200GLS240

Texas Instruments

320C6201 352PIN BGA REV3.1 FOR A

14

BU8763FV-E2

BU8763FV-E2

ROHM Semiconductor

IC TELECOM INTERFACE SSOP-B16

0

MICRF405YML

MICRF405YML

290MHZ - 980MHZ ISM BAND ASK/FSK

4931

LE9652PQCT

LE9652PQCT

Roving Networks / Microchip Technology

IC TELECOM INTERFACE 48QFN

0

HC1-5504-9

HC1-5504-9

SLIC

479

SI3216-C-GMR

SI3216-C-GMR

Silicon Labs

IC TELECOM INTERFACE 38QFN

0

82V2058DAG

82V2058DAG

Renesas Electronics America

IC TELECOM INTERFACE 144TQFP

13

SI32281-A-GM

SI32281-A-GM

Silicon Labs

IC TELECOM INTERFACE 48QFN

0

CMX673E3

CMX673E3

CML Microcircuits

IC TELECOM INTERFACE 20TSSOP

91

PSB7200ZDWR

PSB7200ZDWR

XWAY HIGH-END SINGLE-CHIP ADSL2/

271

HC5517IB

HC5517IB

RINGING SLIC FOR ISDN MODEM

1000

DS2172T/T&R

DS2172T/T&R

BIT ERROR RATE TESTER (BERT)

13500

PEB2075NV1.3IDEC

PEB2075NV1.3IDEC

IR (Infineon Technologies)

ISDN D-CHANNEL EXCH. CONTROLLER

1884

PEB2086NV1.1G

PEB2086NV1.1G

IR (Infineon Technologies)

ISAC-S ISDN ACCESS CONTROLLER

460

DS21552L+

DS21552L+

Maxim Integrated

IC TELECOM INTERFACE 100LQFP

90270

LE79R79-1FQC

LE79R79-1FQC

Roving Networks / Microchip Technology

IC TELECOM INTERFACE 32QFN

0

PEF4265VV2.1

PEF4265VV2.1

DUSLIC DUAL CHANNEL SUBSCRIBER L

3450

Interface - Telecom

1. Overview

Interface ICs for telecom applications serve as critical components enabling signal conversion, protocol translation, and data routing between telecommunication systems and peripheral devices. These ICs ensure compatibility between different electrical standards, support high-speed data transmission, and optimize signal integrity. Their importance in modern technology lies in enabling seamless connectivity across wired/wireless networks, data centers, and industrial communication systems.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Line TransceiversConverts logic signals to line standards (e.g., EIA/TIA-232/485)Industrial automation, RS-485 networks
DSL TransceiversSupports digital subscriber line protocols (ADSL/VDSL)Telecom access networks, modems
Optical Interface ICsConverts electrical signals to optical signals (10G-100G)Optical transceivers, fiber networks
Protocol ConvertersTranslates between communication protocols (CAN, Ethernet, USB)IoT gateways, embedded systems
Wireless Interface ICsIntegrates RF front-end for wireless protocols (5G, LTE)Mobile base stations, IoT devices

3. Structure & Composition

Typical interface ICs for telecom applications include: - Encapsulation: QFN, TSSOP, BGA packages for thermal and electrical efficiency - Internal Modules: - Signal conditioning circuits (ADC/DAC) - Protocol processing engines - Isolation barriers (for industrial applications) - Power management units - Interface Layers: Physical layer (PHY) transceivers, MAC layer controllers

4. Key Technical Specifications

ParameterDescriptionImportance
Data Rate10Mbps to 100GbpsDetermines transmission capacity
Power Consumption100mW to 5WImpacts thermal design and efficiency
Operating Temperature-40 C to +125 CEnsures reliability in harsh environments
Signal IntegrityLow jitter (<1ps RMS), high SNR (>60dB)Reduces transmission errors
Protocol CompatibilitySupports IEEE 802.3, ITU-T G.99x standardsGuarantees interoperability

5. Application Areas

Key Industries: - Telecommunications (5G base stations, optical networks) - Industrial Automation (PROFIBUS, Modbus interfaces) - Consumer Electronics (USB-C, HDMI interfaces) - Automotive (CAN FD, Ethernet AVB) - Aerospace (ARINC 429 interface ICs)

Typical Equipment: Routers, optical transceivers, PLCs, IoT gateways, test & measurement instruments

6. Leading Manufacturers & Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsDS90UB953-Q124-bit FPD-Link III, 1.5Gbps
STMicroelectronicsVN7640Multi-protocol transceiver for CAN FD
NXP SemiconductorsTJA1042High-speed CAN transceiver
Analog DevicesADM2483Isolated RS-485 interface
Maxim IntegratedMAX14885ERugged RS-485/RS-422 interface

7. Selection Guidelines

Consider the following factors: - Match data rate and protocol requirements (e.g., 10Gbps for optical backhaul) - Evaluate power budget and thermal constraints - Confirm compliance with industry standards (FCC, ITU-T) - Assess integration level (e.g., transceiver + protocol engine) - Prioritize vendors with long-term supply guarantees
Case Study: Selecting TI's DS90UB953 for automotive camera interface requires evaluating its 1.5Gbps rate, EMI reduction features, and automotive temperature compliance.

8. Industry Trends

- High-speed migration: Transition to 100Gbps+ interfaces driven by 5G and cloud computing

- Integration: System-in-Package (SiP) solutions combining PHY, MAC, and security

- Energy efficiency: Development of sub-100mW interfaces for IoT edge devices

- AI-enabled interfaces: Machine learning-based signal equalization and error correction

- Optical convergence: Silicon photonics integration for data center interconnects

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