ISO7221MDR

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ISO7221MDR

+BOM

DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

  • Nhà sản xuấtTexas Dụng cụ

  • Ông. Phần #ISO7221MDR

  • Bảng dữ liệu ISO7221MDR DataSheet

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Part Status Active
Base Product Number ISO7221
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 2
Inputs - Side 1/Side 2 1/1
Channel Type Unidirectional
Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 150Mbps
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns
Pulse Width Distortion (Max) 1ns
Rise / Fall Time (Typ) 1ns, 1ns
Voltage - Supply 3V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

The ISO7221MDR is a part of the ISO722x family, which consists of digital isolators manufactured by Texas Instruments. These devices are designed to provide galvanic isolation for digital signals, ensuring that noise, ground loops, or differences in ground potential do not interfere with signal integrity. The "MDR" suffix typically denotes specific packaging or performance characteristics.
Key features of the ISO7221MDR include a dual-channel configuration, with one channel in each direction, facilitating bidirectional communication between systems. It offers high-speed data transmission, usually up to several Mbps, while maintaining low power consumption. Additionally, it provides robust electromagnetic compatibility and can withstand high voltage surges, making it suitable for industrial and automotive applications.
These isolators are commonly used in applications that require reliable isolation between different parts of an electronic system, such as in power supplies, data converters, and microcontroller interfaces. By ensuring signal integrity and safety, the ISO7221MDR helps in enhancing the performance and reliability of electronic systems.

Equivalent

The ISO7221MDR is a dual-channel digital isolator from Texas Instruments. Equivalent products include:
1. ADuM1201 from Analog Devices
2. SI8621 from Silicon Labs
3. MAX14931 from Maxim Integrated
These alternatives offer similar functionality, such as digital signal isolation, data rates, and withstand voltage. When selecting a replacement, it's important to verify compatibility in terms of pin configuration, isolation voltage, and data rate to ensure it meets the requirements of your specific application.

Features

The ISO7221MDR is a dual-channel digital isolator manufactured by Texas Instruments. Key features include:
1. Isolation Rating: It offers a high isolation voltage rating, typically around 2500 VRMS, which provides protection against high-voltage transients.

2. Data Rate: Capable of supporting data rates up to 150 Mbps, making it suitable for high-speed digital communication applications.
3. Low Propagation Delay: It features a low propagation delay, typically around 10 ns, ensuring minimal latency in signal transmission.
4. Noise Immunity: Robust against common-mode transients, providing reliable operation in noisy environments.
5. Wide Supply Range: Operates over a wide supply voltage range, typically from 3 V to 5.5 V, making it versatile for different applications.
6. Low Power Consumption: Designed for low power consumption with low quiescent current, which is beneficial for power-sensitive applications.
7. Temperature Range: Operates over an extended temperature range, typically from -40°C to +125°C, suitable for industrial applications.
These features make the ISO7221MDR ideal for applications requiring digital isolation, such as in industrial automation, data communication, and medical equipment.

Pinout

The ISO7221MDR is a digital isolator manufactured by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This device provides isolation for digital signals and is commonly used in applications requiring noise immunity and high voltage isolation.
Pin Count and Functions:
1. Pin 1 (VCC1): Supply voltage for the input side.
2. Pin 2 (IN1): Input channel 1.
3. Pin 3 (IN2): Input channel 2.
4. Pin 4 (GND1): Ground reference for the input side.
5. Pin 5 (GND2): Ground reference for the output side.
6. Pin 6 (OUT2): Output channel 2.
7. Pin 7 (OUT1): Output channel 1.
8. Pin 8 (VCC2): Supply voltage for the output side.
The device features two independent channels and provides signal isolation, making it suitable for various industrial and communication applications.

Manufacturer

The ISO7221MDR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide array of electronic components and integrated circuits. TI is known for developing analog chips, digital signal processors, microcontrollers, and radio frequency identification (RFID) technology. The company serves a diverse range of markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leader in the semiconductor industry through continuous innovation and a focus on developing technologies that enhance electronic systems' efficiency and functionality.

Application

The ISO7221MDR is a digital isolator commonly used in applications requiring electrical isolation to enhance safety and signal integrity. Key application areas include:
1. Industrial Automation: Protects circuits from high voltages and noise, ensuring reliable communication between different parts of machinery and control systems.
2. Medical Equipment: Provides necessary isolation to prevent electrical shocks, ensuring patient and operator safety.
3. Power Supply Systems: Isolates control circuits from high-voltage sections, improving system reliability.
4. Data Communication: Used in isolated transceivers for robust, noise-free data transmission.
5. Consumer Electronics: Enhances safety and performance by isolating sensitive electronics from potentially harmful voltages.

Package

The ISO7221MDR is a digital isolator packaged in an SOIC-8 (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface-mount applications, offering reliable insulation and isolation for digital signals in electronics.

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