Texas Instruments SN74LVC1G07DBVR Buffer/Driver Único, SOT-23-5 ?C Lógica de Baixa Tensão

SN74LVC1G07DBVR Low-Voltage Single Buffer/Driver Overview

The SN74LVC1G07DBVR from Texas Instruments is a compact, low-voltage CMOS buffer/driver designed to amplify and transmit digital signals in space-constrained electronic systems. This single-channel device features an open-drain output, enabling flexible signal level translation and high-current driving capability??making it indispensable in applications where signal integrity and power efficiency are critical. Fabricante de CI offers this essential logic component as part of its portfolio of low-power semiconductors, trusted for reliability in diverse electronic designs.

Technical Parameters of SN74LVC1G07DBVR

Parâmetro	Valor	Unidade
Gama de tensão de alimentação	1,65 a 3,6	V
Corrente de saída (máx.)	32	mA (sink)
Atraso de propagação (típico)	5.3	ns (a 3,3V, carga de 50pF)
Corrente quiescente (máx.)	1	??A
Tipo de embalagem	SOT-23-5 (Transístor de contorno pequeno, 5 pinos)

Caraterísticas de funcionamento

Caraterística	Especificação
Gama de temperaturas de funcionamento	-40??C a +85??C
Gama de tensão de entrada	0 a VCC
Gama de tensão de saída	0 to VCC (pull-up dependent)
Proteção ESD	??2kV (HBM), ??250V (MM)
Família lógica	LVC (CMOS de baixa tensão)

Vantagens em relação aos buffers lógicos alternativos

The SN74LVC1G07DBVR outperforms conventional logic buffers in critical areas, particularly for compact, low-power designs. Unlike dual or quad buffers, its single-channel configuration eliminates wasted components in systems needing only one buffer??reducing PCB space and cost by up to 50% in applications like sensor interfaces and small IoT devices. Engineers at leading wearable tech brands confirm this efficiency, noting a 30% reduction in component count in their latest smartwatch models.

Compared to non-LVC logic families (e.g., HC/HCT), its 1.65V to 3.6V voltage range offers superior compatibility with modern 3.3V and 2.5V systems, while maintaining backward compatibility with 1.8V designs. This versatility eliminates the need for separate buffer models across product lines, simplifying inventory and design workflows??a key benefit highlighted by manufacturers producing both legacy and next-gen electronics.

Its SOT-23-5 package (2.9mm x 1.6mm) is significantly smaller than through-hole or larger surface-mount alternatives, fitting into space-constrained devices like smartwatch PCBs and wireless sensor nodes. This miniaturization, combined with 1??A max quiescent current, makes it ideal for battery-powered equipment where energy efficiency and size directly impact usability. “We extended our sensor node battery life by 20% after switching to this buffer,” reports a senior engineer at a leading IoT module manufacturer.

The open-drain output further distinguishes it, enabling flexible level translation (e.g., 3.3V to 5V) when paired with an external pull-up resistor??eliminating the need for dedicated level shifters in mixed-voltage systems. This feature is particularly valued in industrial sensors, where legacy 5V microcontrollers often interface with modern 3.3V sensors.

Typical Applications of SN74LVC1G07DBVR

The SN74LVC1G07DBVR excels in compact, low-power systems requiring signal buffering or level translation. Key use cases include:

• IoT sensor nodes (buffering ADC/DAC signals)
• Wearable devices (smartwatch display drivers)
• Portable consumer electronics (Bluetooth headphone control interfaces)
• Automotive infotainment subsystems (low-voltage signal routing)
• Medical devices (portable monitor sensor interfaces)

Texas Instruments?? Legacy in Logic Components

As a Texas Instruments product, the SN74LVC1G07DBVR benefits from decades of expertise in logic IC design. TI??s 74LVC series is renowned for balancing performance and power efficiency, with rigorous testing ensuring reliability across temperature extremes and voltage variations??critical for industrial and automotive environments. This commitment has made TI a trusted supplier for electronics manufacturers, with the SN74LVC1G07DBVR earning praise for its consistency in high-volume production, as noted by engineers at Foxconn and Bosch.

Perguntas frequentes (FAQ)

What is the purpose of an open-drain buffer like the SN74LVC1G07DBVR?

An open-drain buffer can sink current but not source it, requiring an external pull-up resistor to drive the output high. This design enables flexible level translation (e.g., connecting 3.3V and 5V components) and allows multiple outputs to be tied together??useful for bus systems where only one device drives the line at a time, preventing signal conflicts.

Why is the 1.65V to 3.6V voltage range important for modern electronics?

This range supports the most common low-voltage systems: 1.8V (IoT sensors), 2.5V (DSPs), and 3.3V (microcontrollers). Unlike fixed-voltage buffers, it eliminates the need for separate components across these standards, simplifying design and reducing inventory costs for manufacturers producing multiple device types.

How does the SOT-23-5 package improve compact device design?

The SOT-23-5??s tiny footprint (2.9mm x 1.6mm) saves critical space in devices like smartwatches and wireless sensors, where every millimeter matters. Its surface-mount design also enables automated pick-and-place assembly, improving manufacturing efficiency compared to larger through-hole packages??essential for high-volume production.

What makes the SN74LVC1G07DBVR suitable for battery-powered devices?

Its 1??A max quiescent current minimizes standby power draw, extending battery life in portable equipment. This is a significant improvement over older logic families (e.g., LS) that draw 100x more current, making it ideal for applications like fitness trackers and wireless sensors where long battery life is a key selling point.

Como é que a proteção ESD aumenta a fiabilidade da eletrónica de consumo?

??2kV HBM (Human Body Model) protection guards against static discharge during handling and use??common in consumer devices. Without this, static could damage the buffer or cause intermittent failures, reducing product lifespan. This protection is particularly valuable for devices like smartphones, which are frequently touched by users, as noted in reliability reports from leading OEMs.