Overview
The ISO7220ADR is a dual-channel digital isolator produced by Texas Instruments. This device utilizes innovative silicon dioxide (SiO2) isolation technology to provide reliable and efficient isolation between digital logic signals. It is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) and is designed to offer robust performance in various industrial applications, ensuring data integrity and safety. The ISO7220ADR is part of the ISO7220x and ISO7221x family of devices, which are characterized by their ability to block high voltage and isolate grounds, preventing noise currents from interfering with sensitive circuitry.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | - |
| Signaling Rate | Up to 150 Mbps | Mbps |
| Supply Voltage | 2.8V, 3.3V, 5V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Maximum Junction Temperature | 170°C | °C |
| Maximum Storage Temperature | -65°C to 150°C | °C |
| Maximum Isolation Voltage | 4000 VPK | VPK |
| ESD Protection | ±4000 V (HBM), ±1000 V (CDM) | V |
| Output Type | CMOS | - |
| Maximum Propagation Delay Time (tPHL/tPLH) | Typically 13 ns | ns |
| Common-Mode Transient Immunity | 50 kV/μs | kV/μs |
Key Features
- Dual-channel isolator with bi-directional communication.
- Low power consumption and low propagation delay and jitter.
- Provides galvanic isolation of up to 4000 VPK per VDE, ensuring safety and preventing noise interference.
- Suitable for high-speed data communication with signaling rates up to 150 Mbps.
- Compact SOIC-8 package allows for space-saving designs.
- Reliable performance in harsh environments with an operating temperature range of -40°C to +125°C.
- High electromagnetic immunity and 4 kV ESD protection.
- Safety-related certifications including DIN EN IEC 60747-17, UL 1577, and IEC 62368-1.
Applications
- Industrial Automation and Control Systems.
- Medical Equipment.
- Power Supply and Battery Management Systems.
- Communication Systems.
- Motor Control and Drives.
- Data Acquisition Systems.
- Automotive Electronics).
- Factory Automation (Modbus, Profibus, DeviceNet data buses)).
- Computer Peripheral Interface and Servo Control Interface).
Q & A
- What is the primary function of the ISO7220ADR?
The ISO7220ADR is a dual-channel digital isolator that provides galvanic isolation between digital logic signals, ensuring data integrity and safety by blocking high voltage and isolating grounds.
- What are the available signaling rates for the ISO7220ADR?
The signaling rates available for the ISO7220ADR range from 0 Mbps (DC) to 150 Mbps.
- What are the supported supply voltages for the ISO7220ADR?
The device operates with supply voltages of 2.8V, 3.3V, or 5V.
- What is the maximum isolation voltage of the ISO7220ADR?
The maximum isolation voltage is up to 4000 VPK per VDE.
- What is the operating temperature range of the ISO7220ADR?
The device operates over an ambient temperature range of -40°C to +125°C.
- Does the ISO7220ADR have ESD protection?
Yes, the device has ESD protection of ±4000 V (HBM) and ±1000 V (CDM).
- What are some of the safety-related certifications for the ISO7220ADR?
The device has certifications including DIN EN IEC 60747-17, UL 1577, and IEC 62368-1.
- What are the typical applications of the ISO7220ADR?
The device is used in industrial automation, medical equipment, power supply and battery management systems, communication systems, motor control and drives, data acquisition systems, and automotive electronics.
- How does the ISO7220ADR ensure signal integrity?
The device ensures signal integrity by providing galvanic isolation and reducing noise interference, enhancing signal integrity.
- What is the package type of the ISO7220ADR?
The device is packaged in an 8-pin SOIC (Small Outline Integrated Circuit).
