ISO7221CHD

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ISO7221CHD

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DGTL ISOLTR 4KV 2CH GP 8-SOIC

  • Nhà sản xuấtTexas Dụng cụ

  • Ông. Phần #ISO7221CHD

  • Có sẵn8818

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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 1/1
Channel Type Unidirectional
Voltage - Isolation 4000Vpk
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 25Mbps
Propagation Delay tpLH / tpHL (Max) 43ns, 43ns
Pulse Width Distortion (Max) 2ns
Rise / Fall Time (Typ) 1ns, 1ns
Voltage - Supply 3V ~ 5.5V
Operating Temperature -55°C ~ 175°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ISO7221

Tổng quan

Description

The ISO7221CHD is a digital isolator component manufactured by Texas Instruments, part of the ISO7221 series. It is designed for applications requiring electrical isolation between different parts of a circuit, such as in industrial, automotive, and medical systems. This isolator helps in protecting low-voltage circuits from high voltages and noise.
Key features of the ISO7221CHD include:
1. High-Speed Operation: It supports high data rates up to 150 Mbps, making it suitable for fast digital communications.

2. Isolation Voltage: It provides galvanic isolation with a withstand voltage typically around 2500 VRMS, ensuring protection against electrical shocks and data integrity.
3. Dual-Channel: The component offers two isolated digital channels, enabling the transfer of two separate signals across an isolation barrier.
4. Low Power Consumption: Its energy-efficient design helps in reducing overall power usage, which is crucial for battery-operated devices.
5. Wide Temperature Range: It functions efficiently across a broad temperature range, enhancing reliability in various environments.
Overall, the ISO7221CHD is a versatile component for ensuring safe and efficient signal isolation in complex electronic systems.

Equivalent

The ISO7221CHD is a dual-channel digital isolator. Equivalent products include:
1. ADuM1201 from Analog Devices: Similar specifications with dual channels.
2. Si8621 from Silicon Labs: Offers comparable isolation and channel configuration.
3. MAX14850 from Maxim Integrated: Provides dual-channel isolation and similar performance.
These alternatives have similar channel configurations and isolation capabilities, making them suitable substitutes depending on specific application requirements. Always verify pin compatibility and electrical specifications before substituting.

Features

The ISO7221CHD is a dual-channel digital isolator manufactured by Texas Instruments. It provides galvanic isolation between two circuits, enabling data communication without a direct electrical connection. Key features include:
1. Isolation: Offers 2500 Vrms of isolation, ensuring safety and preventing ground loop interference.
2. Channel Configuration: Features two unidirectional channels, one in each direction.
3. Data Rate: Supports data transmission rates up to 25 Mbps.
4. Propagation Delay: Low propagation delay of 10 ns, reducing latency in data transmission.
5. Supply Voltage: Operates with a supply voltage ranging from 3.3 V to 5 V.
6. Temperature Range: Suitable for use in industrial environments, with an operating temperature range from -40°C to 125°C.
7. Robust Performance: High common-mode transient immunity of 25 kV/µs ensures reliable operation in noisy environments.
8. Package: Available in an 8-pin SOIC package, facilitating easy integration into circuits.
These features make the ISO7221CHD ideal for applications requiring reliable digital isolation, such as communication interfaces, industrial control systems, and power supply designs.

Pinout

The ISO7221CHD is a dual-channel digital isolator by Texas Instruments. It typically comes in an 8-pin package, specifically the SOIC-8 (Small Outline Integrated Circuit) package.
The primary function of the ISO7221CHD is to provide electrical isolation between its input and output channels while allowing digital signals to pass through. It is commonly used to protect sensitive components from high voltages, noise, and ground potential differences.
Key specifications include:
- Two independent isolation channels.
- Each channel can transmit data up to 150 Mbps.
- Provides isolation voltage of up to 2500 VRMS for 1 minute.
The pin configuration usually involves:
- Pins for input and output signals (A and B channels).
- Power supply pins (VCC1 for the input side and VCC2 for the output side).
- Ground pins (GND1 for the input side and GND2 for the output side).
Always refer to the datasheet for the most precise and specific details regarding pin configuration and functionality.

Manufacturer

The ISO7221CHD is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is a prominent player in the electronics industry, known for producing a wide range of semiconductor products, including analog chips and embedded processors, which are used in various electronic devices and systems. TI is headquartered in Dallas, Texas, and is recognized for its innovation and contributions to the advancement of technology.

Application

The ISO7221CHD is a dual-channel digital isolator used in applications requiring electrical isolation between different circuit sections. Key application areas include:
1. Industrial Automation: Protects sensitive components by isolating high-voltage equipment from low-voltage control systems.
2. Power Electronics: Used in inverters and motor drives for safe communication across isolated power domains.
3. Medical Equipment: Ensures patient safety by isolating patient-connected devices from other electronics.
4. Telecommunications: Provides signal integrity and protection in networking and communication devices.
5. Automotive Systems: Used in battery management and electric vehicle systems for isolating high-voltage and low-voltage components.
These applications benefit from the device's high data rate, low power consumption, and robust isolation features.

Package

The ISO7221CHD is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

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