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ISO7420DR

Name: ISO7420DR
Rating: 4.7 (12 reviews)

DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

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資料表 ISO7420DR DataSheet
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規格

Part Status	Active
Technology	Capacitive Coupling
Type	General Purpose
Isolated Power	No
Number of Channels	2
Inputs - Side 1/Side 2	2/0
Channel Type	Unidirectional
Voltage - Isolation	2500Vrms
Common Mode Transient Immunity (Min)	25kV/µs
Data Rate	1Mbps
Propagation Delay tpLH / tpHL (Max)	14ns, 14ns
Pulse Width Distortion (Max)	3.7ns
Rise / Fall Time (Typ)	1ns, 1ns
Voltage - Supply	3.15V ~ 3.45V, 4.75V ~ 5.25V
Operating Temperature	-40°C ~ 105°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	ISO7420

概述

Description

ISO 7420DR is a standard developed by the International Organization for Standardization (ISO) that focuses on the design, implementation, and assessment of direct current (DC) electric propulsion systems. It outlines the requirements and guidelines for ensuring safety, reliability, and efficiency in these systems, which are increasingly used in various applications, including electric vehicles, marine vessels, and aerospace.
The standard addresses aspects such as system architecture, performance metrics, safety protocols, and testing methodologies. Its objective is to facilitate interoperability among different DC propulsion systems and to provide a framework for manufacturers and engineers to develop compliant and high-quality products.
By adhering to ISO 7420DR, organizations can enhance the sustainability and effectiveness of their electric propulsion systems, contributing to advancements in clean energy technologies and reducing environmental impact.

Features

The ISO7420DR is a precision operational amplifier designed for high-performance applications. Key features include:
1. Low Input Offset Voltage: Ensures accurate signal processing with minimal error.
2. High Voltage Range: Typically operates from a single supply of 2.7V to 36V or dual supplies, making it versatile for various applications.
3. Wide Bandwidth: Offers a gain bandwidth product, ideal for high-speed signal amplification.
4. Low Noise: Minimizes interference, making it suitable for sensitive audio and measurement applications.
5. Rail-to-Rail Output: Allows the output to swing close to the supply rails, maximizing dynamic range.
6. Low Power Consumption: Designed for battery-operated devices and energy-efficient systems.
7. High Common-Mode Rejection Ratio (CMRR): Ensures that common-mode signals do not affect the output, enhancing performance in noisy environments.
These features make the ISO7420DR suitable for applications like audio processing, instrumentation, and data acquisition systems.

Package

The ISO7420DR is packaged in a SOIC-8 (Small Outline Integrated Circuit) package, which features eight pins and is designed for surface mounting. This package type helps save space on PCBs while providing good thermal and electrical performance.

Pinout

The ISO7420DR is a dual-channel, reinforced digital isolator from Texas Instruments. It features a 16-pin package.
Pin Count and Functions:
- VDD1 (Pin 1 & 2): Power supply for the first isolator channel.
- VDD2 (Pin 3 & 4): Power supply for the second isolator channel.
- GND1 (Pin 5): Ground reference for the first channel.
- GND2 (Pin 6): Ground reference for the second channel.
- A1 (Pin 7): Input for channel 1.
- B1 (Pin 8): Output for channel 1.
- A2 (Pin 9): Input for channel 2.
- B2 (Pin 10): Output for channel 2.
- NC (Pins 11, 12, 13, 14): No connect (not used).
- COM (Pin 15): Common reference for the isolator.
- VISO (Pin 16): Isolated power supply.
This device provides galvanic isolation and is commonly used in applications requiring high voltage isolation.

Manufacturer

The ISO7420DR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments is renowned for designing and producing semiconductors and various integrated circuits, which are essential components in electronic devices. Established in 1930, TI is a key player in the fields of analog, mixed-signal, and digital signal processing technologies, catering to a wide range of industries, including automotive, industrial, communications, and consumer electronics. They are also known for their development of calculators and embedded processing solutions. The ISO7420DR is specifically an isolated digital input/output device, showcasing TI's commitment to innovation and reliability in electronic components.

Application

ISO7420DR is a digital linear temperature sensor used in various applications, including HVAC systems, industrial temperature monitoring, automotive temperature control, and consumer electronics. Its precise temperature measurement capabilities make it suitable for medical devices, environmental monitoring, and food processing equipment. The sensor's reliability and accuracy support applications requiring real-time temperature data for safety and efficiency.

Equivalent

The ISO7420DR is an isolation amplifier. Equivalent products include the Analog Devices ADuM1201, Texas Instruments ISO121, and Maxim Integrated MAX14870. These chips offer similar isolation features and performance characteristics for signal isolation applications. Always check specific datasheets for detailed specifications and compatibility.