ISO7721FDR

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ISO7721FDR

+Nomenclature

DGTL ISOLTR 3KV 2CH GP 8-SOIC

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Spécifications

Attribut Valeur
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 3000Vrms
Common Mode Transient Immunity (Min) 85kV/µs
Data Rate 100Mbps
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns
Pulse Width Distortion (Max) 4.9ns
Rise / Fall Time (Typ) 1.8ns, 1.9ns
Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ISO7721

Présentation

Description

The ISO7721FDR is a digital isolator from Texas Instruments, part of their ISO77xx family. These isolators are designed to provide high electromagnetic immunity and low emissions, suitable for applications that require robust isolation solutions. The ISO7721FDR specifically offers two channels of digital signal isolation and is optimized for low propagation delay, ensuring timely communication across isolated domains.
Operating with a wide supply voltage range, this isolator is capable of handling fast transient voltage swings, making it suitable for industrial automation, motor control, and power supply applications. Its small form factor and high isolation voltage rating enhance its versatility in various environments. The device is housed in an 8-pin SOIC package, making it convenient for integration into existing systems.
In summary, the ISO7721FDR provides reliable isolation for digital signals, protecting sensitive components from high voltages and ensuring consistent performance in electrically noisy environments.

Equivalent

The ISO7721FDR is a dual-channel digital isolator from Texas Instruments. Equivalent products from other manufacturers include the ADuM1200 series from Analog Devices, the Si862x series from Silicon Labs, and the MAX12930 series from Maxim Integrated. These products typically offer similar functionalities such as high-speed data transmission, low power consumption, and robust isolation for digital signals. When selecting an equivalent, it's important to compare specifications like data rate, isolation voltage, and package type to ensure compatibility with your application.

Features

The ISO7721FDR is a high-performance, dual-channel digital isolator. Key features include:
1. Isolation Rating: Provides a high level of galvanic isolation with a rating of up to 5000 Vrms, protecting data transmission between systems.
2. Data Rate: Supports high-speed data transmission up to 100 Mbps, suitable for fast digital communications.
3. Low Power Consumption: Optimized for low power usage, making it efficient for battery-powered and energy-sensitive applications.
4. Wide Supply Voltage Range: Operates over a wide supply voltage range from 2.25 V to 5.5 V, offering flexibility in system design.
5. Temperature Range: Ensures reliable operation over an extended industrial temperature range from -40°C to +125°C.
6. Noise Immunity: Designed to offer excellent immunity to external noise, enhancing signal integrity.
7. Fail-Safe Functionality: Includes default output states to ensure safe operation in the event of an input signal loss.
8. Compact Package: Available in a small, space-saving package, making it suitable for compact or densely packed circuit boards.
These features make the ISO7721FDR suitable for a wide range of applications including industrial automation, medical equipment, and data communication interfaces.

Pinout

The ISO7721FDR is a digital isolator manufactured by Texas Instruments. It features a dual-channel configuration with one forward and one reverse channel. Here are the key details:
- Pin Count: The ISO7721FDR comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.
- Pin Functions:
1. VCC1: Supply voltage for side 1.
2. GND1: Ground for side 1.
3. IN1: Input for side 1.
4. OUT1: Output for side 2, corresponding to IN1.
5. OUT2: Output for side 1, reverse channel corresponding to IN2.
6. IN2: Input for side 2, reverse channel.
7. GND2: Ground for side 2.
8. VCC2: Supply voltage for side 2.
The ISO7721FDR offers high-performance isolation and is commonly used in applications requiring signal integrity and safety, such as industrial automation and communication systems.

Manufacturer

The ISO7721FDR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic products and components. They are well-known for their development and manufacturing of analog and embedded processing chips. TI's products are used in various applications, including automotive, industrial, electronics, consumer electronics, communications, and more. The company is recognized for its innovation and contributions to the technology sector, providing high-performance solutions that address the needs of a diverse range of industries.

Application

The ISO7721FDR is a high-speed, robust digital isolator used in various applications requiring reliable isolation and signal integrity. Key areas include:
1. Industrial Automation: Ensures safe data transmission between different system parts without direct electrical connection.
2. Medical Equipment: Provides isolation in medical devices to protect patients and ensure accurate data transfer.
3. Power Electronics: Used in inverters and motor drives for noise reduction and signal integrity.
4. Communication Systems: Facilitates isolated data communication in rugged environments.
5. Instrumentation: Ensures precision and safety in data acquisition systems by isolating different system sections.
These applications benefit from the ISO7721FDR's high-speed performance and robust isolation capabilities.

Package

The ISO7721FDR is housed in an SOIC-8 (Small Outline Integrated Circuit) package, which is a surface-mount package type with eight pins.

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