ISO7731DWR

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ISO7731DWR

DGTL ISOLTR 5KV 3CH GP 16-SOIC

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規格

Part Status Active
Base Product Number ISO7731
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 3
Inputs - Side 1/Side 2 2/1
Channel Type Unidirectional
Voltage - Isolation 5000Vrms
Common Mode Transient Immunity (Min) 85kV/µs
Data Rate 100Mbps
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns
Pulse Width Distortion (Max) 4.9ns
Rise / Fall Time (Typ) 1.3ns, 1.4ns
Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

ISO 7731:2003 is an international standard that specifies the requirements for the design of tactile symbols for use in environments accessible to visually impaired individuals. It aims to enhance spatial and functional orientation through tactile signage, thereby promoting accessibility and safety. The standard provides guidelines on the size, shape, and tactile properties of symbols to ensure they are easily recognizable and distinguishable by touch.
ISO 7731 is essential for designers, architects, and urban planners to create inclusive environments that assist visually impaired individuals in navigating public spaces. By adhering to this standard, organizations can improve compliance with accessibility regulations and enhance the overall user experience for all individuals, regardless of their sensory abilities.

Features

The ISO7731DWR is a high-performance integrated circuit designed for various applications, particularly in the automotive and industrial sectors. Key features include:
1. Voltage Range: Operates within a wide input voltage range, ensuring compatibility with various power supply systems.
2. Low Power Consumption: Designed for energy efficiency, making it suitable for battery-operated devices.
3. Integrated Safety Features: Includes built-in protection mechanisms against overvoltage, overcurrent, and thermal overload, enhancing reliability.
4. Precision: Offers high accuracy in measurements, crucial for applications requiring precise data handling.
5. Communication Interface: Supports standard communication protocols, facilitating easy integration into existing systems.
6. Robust Design: Built to endure harsh environmental conditions, including temperature extremes and vibrations.
Overall, the ISO7731DWR is ideal for reliable, efficient performance in demanding applications.

Package

The ISO7731DWR is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with 8 pins. This surface-mount package type is designed for compact applications, providing efficient space utilization and thermal performance.

Pinout

The ISO7731DWR is a digital isolator with a pin count of 16. It features galvanic isolation for data lines, making it suitable for various applications such as industrial automation and power management. The main functions include isolating digital signals and providing noise immunity, allowing safe communication between different voltage domains.
Key pin functions typically include:
- Power pins (VDD1, VDD2) for each side of the isolator.
- Ground pins (GND1, GND2) for each side.
- Input and output pins (often labeled as A and B) for data transmission.
- Additional pins for enable/disable functionality or fault detection.
This device supports high-speed data rates and is designed for robustness in noisy environments, making it a reliable choice for ensuring signal integrity across isolation barriers.

Manufacturer

The ISO7731DWR is manufactured by Texas Instruments (TI), a well-established technology company based in the United States. Texas Instruments specializes in the design and production of semiconductors and various integrated circuits, widely used in electronic applications across multiple industries, including automotive, industrial, and consumer electronics. Founded in 1930, TI is known for its innovations in analog and digital signal processing, microcontrollers, and embedded systems, making it a key player in the semiconductor sector. The company is also involved in education technology and provides a range of calculators and related products. TI emphasizes research and development, producing a wide variety of components that support various applications, from simple consumer gadgets to complex industrial machinery.

Application

ISO7731DWR is primarily used in applications requiring precise pressure measurement and control, particularly in industrial automation, HVAC systems, and process control. It is suitable for monitoring and regulating fluid dynamics in pipelines, tanks, and reactors. Additionally, it may be employed in the automotive industry for tire pressure monitoring and in various laboratory settings for research and development purposes.

Equivalent

The ISO7731DWR chip is an isolated digital isolator from Texas Instruments. Equivalent products include:
1. ADUM1201 - Analog Devices
2. HCPL-2601 - Broadcom
3. IL410 - Vishay
4. SI86xx series - Silicon Labs
Always verify specifications and compatibility for your specific application.

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