ISO7220MDR

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ISO7220MDR

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DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

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規格

屬性 價值
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 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 / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ISO7220

概述

Description

The ISO7220MDR is a digital isolator from Texas Instruments, designed for applications requiring electrical isolation between different circuit segments. It features two independent channels capable of high-speed data transmission, with isolation ratings typically around 2.5 kVrms. It operates with a supply voltage ranging from 3 V to 5.5 V, making it compatible with various digital logic levels. The device offers low power consumption and excellent noise immunity, making it suitable for use in harsh industrial environments and sensitive electronic applications.
Key features include a data rate of up to 25 Mbps, robust galvanic isolation, and a wide temperature range from -40°C to 125°C. ISO7220MDR helps prevent ground loop issues and protects sensitive components from high voltage surges and transients. The device is available in a small SOIC package, ensuring ease of integration into existing hardware designs. Its safety and reliability make it suitable for applications in industrial automation, medical equipment, and communication systems.

Equivalent

The ISO7220MDR is a dual-channel digital isolator from Texas Instruments. Equivalent products include:
1. Analog Devices ADuM1200/ADuM1201
2. Silicon Labs SI8620
3. Broadcom/Avago Technologies ACPL-M61L
These alternatives offer similar isolation capabilities and data rates, making them suitable substitutes in various applications. Always verify specific requirements such as isolation voltage, data rate, and package compatibility when selecting an equivalent.

Features

The ISO7220MDR is a dual-channel digital isolator designed for applications requiring signal isolation. Key features include:
1. High Speed: It supports data rates up to 25 Mbps, making it suitable for high-speed digital communications.
2. Robust Isolation: It offers galvanic isolation of up to 2.5 kVrms for 1 minute, ensuring effective protection against high voltages.
3. Low Power Consumption: The device is designed for efficient power usage, making it suitable for battery-operated systems.
4. Wide Temperature Range: It operates effectively within a temperature range of -40°C to +125°C, suitable for industrial environments.
5. Noise Immunity: Its design provides excellent noise immunity, crucial for maintaining signal integrity in noisy environments.
6. Prop Delay and Skew: The ISO7220MDR features low propagation delay and skew, ensuring minimal signal distortion.
7. Failsafe Logic: It includes a failsafe output to ensure predictable operation during power-up and power-down scenarios.
These features make the ISO7220MDR an excellent choice for isolating digital signals in automotive, industrial, and communication applications.

Pinout

The ISO7220MDR is a dual-channel digital isolator manufactured by Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of the pin functions:
1. VCC1 (Pin 1): Supply voltage for the primary side of the isolator.
2. IN1 (Pin 2): Input for channel 1, which is isolated and transmitted to the corresponding output on the secondary side.
3. IN2 (Pin 3): Input for channel 2, similarly isolated and transmitted to its corresponding output.
4. GND1 (Pin 4): Ground reference for the primary side.
5. GND2 (Pin 5): Ground reference for the secondary side.
6. OUT2 (Pin 6): Output for channel 2, isolated from IN2.
7. OUT1 (Pin 7): Output for channel 1, isolated from IN1.
8. VCC2 (Pin 8): Supply voltage for the secondary side of the isolator.
The ISO7220MDR provides galvanic isolation between two parts of a system, protecting against high voltages and reducing noise.

Manufacturer

The ISO7220MDR is manufactured by Texas Instruments (TI), a global technology company renowned for its development and production of semiconductors and various integrated circuits. Established in 1930 and headquartered in Dallas, Texas, TI is a leader in the electronics industry, providing innovative solutions for a wide range of applications, including industrial, automotive, personal electronics, and communications equipment. The company is known for its focus on analog chips and embedded processors, which are essential components in modern electronic devices. TI's products are widely used across various sectors, enhancing the functionality and efficiency of electronic systems.

Application

The ISO7220MDR is a digital isolator primarily used in applications requiring signal isolation to protect sensitive components and ensure signal integrity. Key application areas include:
1. Industrial Automation: Protecting control systems and communication lines from electrical noise and voltage spikes.
2. Medical Equipment: Ensuring patient safety by isolating electrical signals in devices like monitors and diagnostic tools.
3. Telecommunications: Maintaining signal integrity in networking equipment and protecting against transient surges.
4. Consumer Electronics: Safeguarding components in high-speed and high-frequency circuits.
5. Automotive Systems: Isolating communication lines in electric and hybrid vehicles to protect against high-voltage battery systems.
These applications benefit from the high-speed performance and robust isolation capabilities of the ISO7220MDR.

Package

The ISO7220MDR is a digital isolator in an SOIC-8 (Small Outline Integrated Circuit) package. This package type typically has eight pins and is suitable for surface-mount applications, providing isolation for electrical signals between different parts of a system.

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