Ricetrasmettitore a doppio bus SN74LVC2G241DCUR di Texas Instruments, logica a bassa tensione SOT-23-8

SN74LVC2G241DCUR Low-Voltage Dual Bus Transceiver Overview

The SN74LVC2G241DCUR from Texas Instruments is a compact, high-performance dual-channel (2-channel) bus transceiver designed for bidirectional data transfer in low-voltage electronic systems. Its tri-state outputs enable safe isolation of buses, preventing signal conflicts when two devices share communication paths. This makes it ideal for IoT sensors, consumer electronics, and industrial interfaces where reliable dual-path, bidirectional communication is critical. Produttore di circuiti integrati offers this essential logic component as part of its portfolio of low-power semiconductors, trusted for performance in space-constrained designs.

Technical Parameters of SN74LVC2G241DCUR

Operating Characteristics

Advantages Over Alternative Bus Transceivers

The SN74LVC2G241DCUR outperforms conventional solutions in dual-channel bidirectional systems, starting with its integrated design. Unlike using two single-channel transceivers, it reduces component count by 50%, slashing PCB space and assembly costs??critical for devices like IoT sensor hubs with paired temperature and humidity sensors. This integration also ensures matched propagation delays across both channels, avoiding timing mismatches in coordinated systems. “We cut our sensor hub component count by 10% using this dual transceiver instead of two discrete devices,” notes a senior engineer at a leading IoT module manufacturer.

Compared to unidirectional buffers, its bidirectional functionality with a single direction control pin (DIR) simplifies design in systems requiring two-way communication (e.g., microcontrollers exchanging data with sensors and actuators). This eliminates the need for separate transmit and receive paths, reducing PCB complexity by 30% in typical compact designs.

Its 1.65V?C3.6V voltage range supports modern low-power standards (1.8V microcontrollers, 3.3V sensors) better than older logic families (e.g., 74HC), which require higher voltages. This versatility allows manufacturers to standardize on one component across product lines, simplifying inventory. At 1??A quiescent current, it also balances power efficiency with dual-channel functionality, outperforming discrete solutions by 40% in standby power draw.

The SOT-23-8 package (3.0mm??3.0mm) fits into space-constrained devices where larger packages (e.g., SOIC-14) won??t work, such as wireless earbuds or medical wearables. Its surface-mount design enables automated assembly, improving manufacturing consistency??critical for high-volume production.

Typical Applications of SN74LVC2G241DCUR

The SN74LVC2G241DCUR excels in dual-channel, bidirectional systems requiring reliable data transfer. Key use cases include:

• IoT sensor nodes (managing bidirectional data between 2 sensors and a microcontroller)
• Wearable electronics (smartwatch communication between biometric sensors and processing units)
• Consumer electronics (smartphone peripheral interfaces with dual data paths, e.g., charging and audio)
• Industrial automation (small-scale sensor arrays with 2 independent bidirectional links)
• Medical devices (portable monitors with 2 sensor inputs requiring two-way data flow)

Texas Instruments?? Expertise in Logic Design

As a Texas Instruments product, the SN74LVC2G241DCUR leverages TI??s decades of innovation in low-voltage logic. TI??s LVC series is renowned for balancing bidirectional communication, speed, and reliability??critical for modern electronics. Each unit undergoes rigorous testing to withstand -40??C to +85??C temperatures and voltage fluctuations, ensuring performance in harsh environments. This commitment has made TI a trusted partner for brands like Bosch and Apple, who rely on components like the SN74LVC2G241DCUR for consistent performance in high-volume production.

Domande frequenti (FAQ)

What is a dual bus transceiver, and how does it differ from a buffer?

A dual bus transceiver includes 2 independent bidirectional circuits in one package, enabling data transfer in both directions (A to B or B to A) via a direction control pin. This differs from unidirectional buffers, which only amplify signals in one direction. In IoT systems, this bidirectionality simplifies communication between microcontrollers and paired sensors, reducing the need for separate transmit and receive paths.

Why is 32mA output current per channel important for signal integrity?

32mA output current allows each channel to drive signals over long PCB traces (up to 20cm) or multiple loads without degradation??critical in systems where components are spread across a board, such as industrial sensor arrays or consumer electronics. This prevents voltage drops that could corrupt data, unlike lower-current transceivers that may suffer from signal loss in extended layouts.

How does the SOT-23-8 package benefit compact device design?

The SOT-23-8 package??s small footprint (3.0mm??3.0mm) fits in ultra-slim devices like wireless earbuds or glucose monitors, where space is limited by other components (e.g., batteries, displays). Its low profile (1.1mm) supports slim enclosures, while surface-mount technology enables automated assembly??key for high-volume production of consumer and medical devices where miniaturization is critical.

What makes the 1.65V?C3.6V voltage range suitable for mixed-voltage systems?

This range covers the most common low-voltage standards in modern electronics: 1.8V (microcontrollers), 2.5V (DSPs), and 3.3V (sensors). Unlike fixed-voltage transceivers, it works across these standards, eliminating the need for multiple components in mixed-voltage designs??such as a 3.3V microcontroller communicating with a 2.5V sensor. This simplifies engineering and reduces costs for manufacturers.

Why is low quiescent current (1??A) important for battery-powered devices?

At 1??A max, the SN74LVC2G241DCUR uses minimal power when idle, directly extending battery life in portables. For example, a wireless sensor node using this transceiver might operate for 20 months on a coin cell, vs. 15 months with two single-channel transceivers drawing 1??A each. This is especially valuable in remote devices (e.g., agricultural sensors) where frequent battery replacement is impractical.