Overview
The ISO7242MDWG4 is a quad-channel digital isolator produced by Texas Instruments. This device is part of the ISO7242 series, which offers multiple channel configurations and output enable functions. It features a silicon dioxide (SiO2) isolation barrier, providing high voltage isolation, ground isolation, and protection against noise currents. The ISO7242MDWG4 is designed to operate in various industrial and commercial applications, ensuring reliable and noise-free data transmission across isolated domains.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC1, VCC2) | 4.5 | 5.5 | 6 | V |
| Input Voltage (IN, OUT, EN) | -0.5 | 6 | V | |
| Output Current | ±15 | mA | ||
| Propagation Delay (tPLH, tPHL) | 12 | 29 | ns | |
| Pulse-Width Distortion (PWD) | 1 | 2 | ns | |
| Channel-to-Channel Output Skew (tsk(o)) | 0 | 1 | ns | |
| Isolation Voltage | 4000 Vpeak | V | ||
| Operating Temperature Range | -40 | 125 | °C | |
| ESD Protection | 4 kV |
Key Features
- Quad-channel configuration with two channels in each direction (2/2).
- High electromagnetic immunity and low channel-to-channel output skew.
- Signaling rates of up to 150 Mbps.
- Operates with 3.3-V or 5-V supplies on either side of the isolation barrier.
- Input noise-filter to prevent transient pulses (for A and C option devices).
- Failsafe circuitry to ensure output stability in case of input power loss.
- UL 1577 certified and 4 kV ESD protection).
- TTL and CMOS compatible input thresholds depending on the device option).
Applications
- Industrial fieldbus interfaces).
- Computer peripheral interfaces).
- Servo control interfaces).
- Data acquisition systems).
Q & A
- What is the ISO7242MDWG4 used for?
The ISO7242MDWG4 is a quad-channel digital isolator used to isolate and protect digital signals in various industrial and commercial applications.
- What are the signaling rates supported by the ISO7242MDWG4?
The device supports signaling rates of up to 150 Mbps.
- What is the operating temperature range of the ISO7242MDWG4?
The device operates over a temperature range of -40°C to 125°C.
- What type of ESD protection does the ISO7242MDWG4 have?
The device has 4 kV ESD protection.
- Can the ISO7242MDWG4 be powered with different voltage supplies on each side?
- What is the isolation voltage of the ISO7242MDWG4?
The device has an isolation voltage of 4000 Vpeak.
- Does the ISO7242MDWG4 have failsafe circuitry?
- What are the typical applications of the ISO7242MDWG4?
The device is used in industrial fieldbus interfaces, computer peripheral interfaces, servo control interfaces, and data acquisition systems.
- Is the ISO7242MDWG4 UL 1577 certified?
- What is the package type of the ISO7242MDWG4?
The device is packaged in a 16-SOIC (0.295", 7.50mm Width).
