ISO7220ADR

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ISO7220ADR

+BOM

DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

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Specifications

Attribute Value
PartStatus Active
Technology Capacitive Coupling
Type General Purpose
IsolatedPower No
NumberofChannels 2
Inputs-Side1/Side2 2/0
ChannelType Unidirectional
Voltage-Isolation 2500Vrms
CommonModeTransientImmunity(Min) 25kV/µs
DataRate 1Mbps
PropagationDelaytpLH/tpHL(Max) 475ns, 475ns
PulseWidthDistortion(Max) 14ns
Rise/FallTime(Typ) 1ns, 1ns
Voltage-Supply 3V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber ISO7220

Overview

Description

The ISO7220ADR is a digital isolator developed by Texas Instruments, designed for applications requiring electrical isolation between different parts of a system. It typically features two isolated channels and uses silicon dioxide as an insulator to provide high voltage isolation, which is crucial for protecting sensitive electronic components and ensuring signal integrity in noisy environments. This device is commonly used in industrial automation, medical equipment, and data acquisition systems, where safety and reliability are paramount.
Key features include:
1. Isolation Voltage: Typically, it offers a high isolation voltage, often in the range of several kilovolts, to prevent electrical interference between circuits.

2. Data Rate: The ISO7220ADR supports high data rates, making it suitable for applications that require fast signal processing.
3. Low Power Consumption: It is designed for low power operation, which is beneficial for battery-powered or energy-sensitive applications.
4. Compact Size: The device comes in a small package, making it easy to integrate into various electronic designs.
Overall, the ISO7220ADR provides robust isolation solutions for enhancing system performance and safety.

Equivalent

The ISO7220ADR is a high-speed digital isolator from Texas Instruments. Equivalent products include the ADuM1200 from Analog Devices, the Si8620 from Silicon Labs, and the TLP2361 from Toshiba. These alternatives generally offer similar functionality in terms of digital isolation with comparable data rates and isolation voltages. However, always ensure to check specific electrical characteristics and pin configurations for compatibility with your application.

Features

The ISO7220ADR is a dual-channel digital isolator from Texas Instruments, designed for applications requiring electrical isolation between two parts of a system. Key features include:
1. Isolation: Provides 2500 VRMS isolation per UL 1577 standard, making it suitable for protecting low-voltage circuits from high-voltage surges.
2. Data Rate: Supports high-speed data transmission up to 25 Mbps, ensuring quick signal processing and communication.
3. Low Power Consumption: Offers low power dissipation with a maximum supply current typically around 4.5 mA per channel, making it efficient for battery-operated devices.
4. Wide Temperature Range: Operates effectively from -40°C to 125°C, suitable for various industrial and automotive applications.
5. Noise Immunity: Features excellent noise immunity, crucial for maintaining signal integrity in noisy environments.
6. Propagation Delay: Features low propagation delay (typical 13 ns), which is essential for time-critical applications.
7. Supply Voltage: Operates over a wide supply voltage range from 3 V to 5.5 V.
These features make the ISO7220ADR ideal for applications needing robust and reliable signal isolation, such as in industrial automation, medical equipment, and communication systems.

Pinout

The ISO7220ADR is a dual-channel digital isolator manufactured by Texas Instruments. It typically comes in an SOIC-8 (Small Outline Integrated Circuit with 8 pins) package.
The pin configuration is as follows:
- Pin 1 (VCC1): Supply voltage for the input side.
- Pin 2 (IN1): Input for channel 1.
- Pin 3 (IN2): Input for channel 2.
- Pin 4 (GND1): Ground for the input side.
- Pin 5 (GND2): Ground for the output side.
- Pin 6 (OUT2): Output for channel 2.
- Pin 7 (OUT1): Output for channel 1.
- Pin 8 (VCC2): Supply voltage for the output side.
The ISO7220ADR provides digital signal isolation with two channels, which are used to separate sections of circuits for protection and noise reduction, allowing for data transmission across high-voltage domains without a direct electrical connection.

Manufacturer

The ISO7220ADR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. These semiconductors are used in various applications across industries like automotive, industrial, personal electronics, and communications equipment. TI is known for its innovative products and solutions that help in powering electronic devices and enhancing technological capabilities.

Application

The ISO7220ADR is a high-speed digital isolator commonly used in various applications requiring electrical isolation and high data transfer rates. Key application areas include:
1. Industrial Automation: Ensures safe signal transmission between different voltage domains.
2. Power Electronics: Provides isolation in power conversion systems like inverters and motor drives.
3. Medical Equipment: Maintains patient safety by isolating high-voltage sections.
4. Communication Systems: Facilitates isolated data communication in interfaces such as RS-232, RS-485, and CAN bus.
5. Consumer Electronics: Used in devices requiring reliable data isolation for safe operation.
These applications benefit from the device's EMI resistance, high noise immunity, and robust insulating capabilities.

Package

The ISO7220ADR is a digital isolator from Texas Instruments, typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mount applications, providing a compact and efficient design for isolating digital signals in electronic devices.