ISO7721DR

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ISO7721DR

+BOM

DGTL ISOLTR 3KV 2CH GP 8-SOIC

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #ISO7721DR

  • 데이터시트 ISO7721DR DataSheet

  • 재고15825

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사양

속성 가치
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

개요

Description

The ISO7721DR is a digital isolator manufactured by Texas Instruments. It is part of the ISO77xx family, designed to provide robust galvanic isolation for digital signals. This device is commonly used to protect low-voltage components from high-voltage circuits, ensuring reliable data transmission while preventing ground loop issues and electrical noise interference.
Key features of the ISO7721DR include:
1. Isolation Voltage: It provides a high isolation voltage of up to 5,000 VRMS, making it suitable for critical applications requiring strong isolation barriers.

2. Data Rate: It supports data rates up to 100 Mbps, allowing for high-speed communication in various applications including industrial automation, medical devices, and telecommunications.
3. Low Power Consumption: The device is designed to minimize power usage, making it efficient for both battery-powered and line-powered systems.
4. Package: The "DR" suffix indicates the device's package type, which is typically a small-outline package (SOIC), suitable for space-constrained designs.
Overall, the ISO7721DR combines safety, performance, and efficiency, making it a versatile choice for isolating digital signals in various electronic applications.

Equivalent

The ISO7721DR is a dual-channel digital isolator from Texas Instruments. Equivalent products include the ADuM1201 from Analog Devices, the SI8621 from Silicon Labs, and the MAX12931 from Maxim Integrated. These components offer similar functionality in terms of digital isolation for signal integrity and protection in various applications. Always check the specific datasheets for differences in specifications, such as data rate, isolation voltage, and package options, to ensure compatibility with your design requirements.

Features

The ISO7721DR is a digital isolator from Texas Instruments, designed to provide galvanic isolation between different parts of a system. Key features include:
1. Isolation Rating: Provides 5000 VRMS isolation for 1 minute per UL 1577, ensuring robust protection against high voltages.
2. Signal Speed: Operates at a data rate of up to 100 Mbps, suitable for high-speed digital communication.
3. Channels: Features two channels, which can be configured for different communication needs.
4. Propagation Delay: Offers low propagation delay, typically around 11 ns, enhancing signal integrity and performance.
5. Noise Immunity: High common-mode transient immunity (greater than 50 kV/µs), essential for operation in noisy environments.
6. Wide Supply Range: Operates over a wide supply voltage range from 2.25 V to 5.5 V, providing flexibility in design.
7. Temperature Range: Designed for industrial applications with an operating temperature range from -40°C to 125°C.
8. Package: Comes in an SOIC-8 package, making it compact and suitable for space-constrained designs.
Overall, the ISO7721DR offers a combination of high isolation, speed, and reliability, making it ideal for industrial and automotive applications.

Pinout

The ISO7721DR is a digital isolator manufactured by Texas Instruments. It features a dual-channel configuration with a total pin count of 8. The device provides high electrical isolation between input and output circuitry, making it suitable for applications that require signal isolation to prevent noise and interference.
Here is a concise breakdown of its pin functions:
1. VCC1 (Pin 1): Supply voltage for the input side.
2. INx (Pin 2): Input for the respective channel.
3. GND1 (Pin 4): Ground connection for the input side.
4. GND2 (Pin 5): Ground connection for the output side.
5. OUTx (Pin 6): Output for the respective channel.
6. VCC2 (Pin 8): Supply voltage for the output side.
Pins 3 and 7 are typically no-connect (NC) pins or may be reserved for other functions in different configurations. The ISO7721DR is designed to provide reliable performance with high noise immunity and low power consumption, ideal for industrial and automotive applications.

Manufacturer

The ISO7721DR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest producers of analog technology components and is known for its innovation in the field of electronics. TI serves a wide range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and has a global presence, with manufacturing, design, and sales operations in various countries. Texas Instruments is well-regarded for its contributions to technology advancements and for providing high-quality products and solutions to its customers.

Application

The ISO7721DR is a digital isolator used primarily in industrial and automotive applications. It provides high-speed, robust signal isolation, making it ideal for protecting sensitive components from high voltages and ensuring reliable data transmission. Key application areas include isolated data transmission in motor control systems, power inverters, and battery management systems. It is also used in applications like industrial automation, renewable energy systems, and medical equipment where noise immunity and signal integrity are critical. The device is suitable for environments requiring adherence to safety standards and can be part of systems that need to withstand harsh operating conditions.

Package

The ISO7721DR is a digital isolator IC from Texas Instruments, packaged in an 8-pin SOIC (Small Outline Integrated Circuit) form. The "DR" suffix indicates this specific package type, which is commonly used for surface mounting on printed circuit boards.

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