ISO7420DR

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ISO7420DR

+BOM

DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

  • Nhà sản xuấtTexas Dụng cụ

  • Ông. Phần #ISO7420DR

  • Bảng dữ liệu ISO7420DR DataSheet

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thuộc tính Giá trị
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

Tổng quan

Description

The ISO7420DR is a digital isolator designed by Texas Instruments for applications requiring electrical isolation between different parts of a circuit. It provides galvanic isolation, which helps prevent noise and interference in communication systems by separating ground potentials between different sections of a device. The device supports a wide range of data rates up to 25 Mbps, making it suitable for various industrial and automotive applications.
The ISO7420DR comes in a small, 8-pin SOIC package, and it operates over a temperature range of -40°C to +125°C, catering to harsh environments. It features a low power consumption design, which is beneficial for energy-efficient systems. The isolator also provides robust electromagnetic interference (EMI) immunity and high common-mode transient immunity, ensuring reliable performance in electrically noisy environments.
Overall, the ISO7420DR is ideal for applications requiring reliable digital signal isolation, such as microcontroller interfaces, data acquisition systems, and industrial automation, where safety and signal integrity are paramount.

Equivalent

The ISO7420DR is a digital isolator from Texas Instruments. Equivalent products from other manufacturers include:
1. ADuM1200 series from Analog Devices
2. SI8600 series from Silicon Labs
3. MAX14930 from Maxim Integrated
4. 6N137 from Broadcom (though it's an optocoupler with similar isolation purpose)
These alternatives provide similar isolation capabilities but may differ in specifications like data rate, isolation voltage, and channel configuration, so checking the datasheets for specific requirements is advisable.

Features

The ISO7420DR is a dual-channel digital isolator from Texas Instruments, designed to provide galvanic isolation between different segments of a digital circuit. Key features include:
1. Isolation Voltage: It offers a high isolation voltage, typically 2500 VRMS, providing strong protection against electrical noise and voltage spikes.
2. Data Rate: The device supports data rates up to 25 Mbps, making it suitable for high-speed digital communication.
3. Low Power Consumption: The ISO7420DR is designed for low power operation, with a typical supply current of 1.8 mA per channel.
4. Robust Design: It features noise-resistant signal integrity, with a high common-mode transient immunity (CMTI) of 50 kV/µs.
5. Wide Supply Range: The device operates over a wide supply voltage range, typically from 3 V to 5.5 V.
6. Package: It comes in an 8-pin SOIC package, making it easy to integrate into various circuit designs.
These features make the ISO7420DR suitable for applications requiring reliable digital isolation, such as industrial automation, medical equipment, and power systems.

Pinout

The ISO7420DR is a digital isolator manufactured by Texas Instruments. It features a 16-pin package with the following key functions:
1. Pin Count: The ISO7420DR comes in a 16-pin SOIC (Small Outline Integrated Circuit) package.

2. Functionality: This device provides digital signal isolation with two independent channels. It is designed to protect sensitive components by electrically isolating different parts of a system while still allowing data to pass through. It typically finds applications in systems such as industrial control, communication interfaces, and medical equipment where signal integrity and noise immunity are crucial.
3. Isolation: The ISO7420DR provides galvanic isolation, which helps in breaking ground loops and preventing high voltage from damaging sensitive components.
Overall, the ISO7420DR serves as a reliable component for ensuring signal integrity in environments where electrical isolation is needed between different parts of a system.

Manufacturer

The ISO7420DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a variety of electronic components, including integrated circuits, processors, and analog devices. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most well-established companies in the semiconductor industry. It serves a wide range of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is renowned for its innovation and has a strong emphasis on research and development to advance technology across its product lines.

Application

The ISO7420DR is a dual-channel digital isolator used primarily for isolating digital signals in various applications. Key areas include industrial automation systems, where it ensures signal integrity and safety between different voltage domains. It's also used in motor control systems, providing isolation between control logic and power stages. Additionally, it finds applications in medical equipment, offering protection and reliability by isolating patient-connected devices from other systems. The device is suitable for data communication interfaces, such as I2C or SPI, in harsh environments, and in power supply designs to provide noise isolation. Its high-speed operation and robust isolation capabilities make it ideal for these applications.

Package

The ISO7420DR is a digital isolator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface mounting on PCBs, designed to provide isolation for digital signals.

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