Overview
The ISO7231MDWRG4 is a high-speed, triple-channel digital isolator produced by Texas Instruments. This device is part of the ISO7231 series and is designed to provide reliable and high-speed data isolation between different voltage domains. It features multiple channel configurations and output enable functions, making it versatile for various applications. The isolator uses Texas Instruments' silicon dioxide (SiO2) isolation barrier to block high voltages, isolate grounds, and prevent noise currents from interfering with sensitive circuitry.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Signaling Rate | 25 Mbps, 150 Mbps | Mbps |
| Channel-to-Channel Output Skew | 1 ns (maximum) | ns |
| Pulse-Width Distortion (PWD) | 2 ns (maximum) | ns |
| Jitter Content | 1 ns (typical at 150 Mbps) | ns |
| Supply Voltage | 3.15 V to 5.5 V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | 16-SOIC (DW) | |
| Number of Channels | 3 | |
| Isolation Voltage | 2500 Vrms | Vrms |
| ESD Protection | 4 kV | kV |
| Common Mode Transient Immunity (CMTI) | 25 kV/μs | kV/μs |
Key Features
- 25 and 150 Mbps signaling rate options
- Low channel-to-channel output skew; 1 ns maximum
- Low pulse-width distortion (PWD); 2 ns maximum
- Low jitter content; 1 ns typical at 150 Mbps
- Typical 25-year life at rated working voltage
- 4 kV ESD protection
- Operate with 3.3 V or 5 V supplies
- 3.3 V and 5 V level translation
- High electromagnetic immunity
- Safety-related certifications: DIN EN IEC 60747-17, UL 1577, IEC 61010-1, IEC 62368-1
Applications
- Factory Automation: Modbus, Profibus™, DeviceNet™ data buses
- Computer Peripheral Interface
- Servo Control Interface
- Data Acquisition
Q & A
- What is the ISO7231MDWRG4 used for?
The ISO7231MDWRG4 is a triple-channel digital isolator used to provide high-speed data isolation between different voltage domains, protecting sensitive circuitry from noise and high voltages.
- What are the signaling rate options for the ISO7231MDWRG4?
The ISO7231MDWRG4 supports signaling rates of 25 Mbps and 150 Mbps.
- What is the operating temperature range of the ISO7231MDWRG4?
The operating temperature range is -40°C to 125°C.
- What type of package does the ISO7231MDWRG4 come in?
The ISO7231MDWRG4 comes in a 16-SOIC (DW) package.
- What is the isolation voltage of the ISO7231MDWRG4?
The isolation voltage is 2500 Vrms.
- Does the ISO7231MDWRG4 have ESD protection?
Yes, it has 4 kV ESD protection.
- What are the supply voltage options for the ISO7231MDWRG4?
The device can operate with 3.3 V or 5 V supplies.
- What safety certifications does the ISO7231MDWRG4 have?
The device has certifications such as DIN EN IEC 60747-17, UL 1577, IEC 61010-1, and IEC 62368-1.
- What is the common mode transient immunity (CMTI) of the ISO7231MDWRG4?
The CMTI is 25 kV/μs.
- In what applications is the ISO7231MDWRG4 commonly used?
It is commonly used in factory automation, computer peripheral interfaces, servo control interfaces, and data acquisition systems.
