Overview
The ISO7141CCDBQR is a quad-channel digital isolator produced by Texas Instruments. This device is designed to provide galvanic isolation up to 2500 V RMS for 1 minute per UL 1577 and 4242 V PK per VDE, ensuring high levels of isolation and data integrity. It features three forward and one reverse-direction channel, making it suitable for various applications requiring high-speed data transfer and noise immunity.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of channels | 4 (3 forward / 1 reverse) | Default output | High (Low with suffix F) |
| Data rate (max) (Mbps) | 50 (with 5-V supplies), 40 (with 3.3-V or 2.7-V supplies) | Surge isolation voltage (VIOSM) (V PK) | 4000 |
| Transient isolation voltage (VIOTM) (V PK) | 4242 | Withstand isolation voltage (V ISO) (V rms) | 2500 |
| CMTI (min) (V/µs) | 25000 | Operating temperature range (°C) | -40 to 125 |
| Supply voltage (max) (V) | 5 | Supply voltage (min) (V) | 2.7 |
| Propagation delay time (typ) (µs) | 0.023 | Current consumption per channel (DC) (typ) (mA) | 1.3 |
| Creepage (min) (mm) | 3.7 | Clearance (min) (mm) | 3.7 |
Key Features
- Quad-channel digital isolator with three forward and one reverse-direction channel
- Maximum signaling rate of 50 Mbps with 5-V supplies and 40 Mbps with 3.3-V or 2.7-V supplies
- Robust design with integrated noise filters for noise-prone applications
- Low power consumption: 1.3 mA per channel at 1 Mbps with 3.3-V supplies
- Low propagation delay: 23-ns typical with 3.3-V supplies
- Wide temperature range: -40°C to 125°C
- 50-kV/µs transient immunity and long life with SiO2 isolation barrier
- Operates from 2.7-V, 3.3-V, and 5-V supply and logic levels
- Small QSOP-16 package
- Safety and regulatory approvals: UL 1577, VDE V 0884-10, CSA, IEC 60950-1, and IEC 61010-1
Applications
The ISO7141CCDBQR is commonly used in various high-reliability applications, including:
- Industrial automation
- Automotive systems
- Energy applications
- Signal isolation and data communication in systems requiring high noise immunity
- Power supply isolation to protect sensitive circuitry from noise and voltage spikes
Q & A
- What is the maximum data rate of the ISO7141CCDBQR?
The ISO7141CCDBQR has a maximum data rate of 50 Mbps with 5-V supplies and 40 Mbps with 3.3-V or 2.7-V supplies.
- How many channels does the ISO7141CCDBQR have?
The ISO7141CCDBQR is a quad-channel digital isolator with three forward and one reverse-direction channel.
- What is the operating temperature range of the ISO7141CCDBQR?
The operating temperature range is -40°C to 125°C.
- What is the typical propagation delay of the ISO7141CCDBQR?
The typical propagation delay is 23 ns with 3.3-V supplies.
- What are the safety and regulatory approvals for the ISO7141CCDBQR?
The device meets standards such as UL 1577, VDE V 0884-10, CSA, IEC 60950-1, and IEC 61010-1.
- Can the ISO7141CCDBQR operate with different supply voltages?
Yes, it can operate from 2.7-V, 3.3-V, and 5-V supply and logic levels.
- What is the isolation rating of the ISO7141CCDBQR?
The device provides galvanic isolation up to 2500 V RMS for 1 minute per UL 1577 and 4242 V PK per VDE.
- What package type is the ISO7141CCDBQR available in?
The ISO7141CCDBQR is available in a 16-pin SSOP (DBQ) package.
- Does the ISO7141CCDBQR have integrated noise filters?
Yes, it has integrated noise filters on the inputs for noise-prone applications.
- What is the typical current consumption per channel of the ISO7141CCDBQR?
The typical current consumption per channel is 1.3 mA at 1 Mbps with 3.3-V supplies.
