Overview
The ADUM1311BRWZ-RL is a triple-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic air core transformer technology to provide reliable and high-speed data isolation. The ADUM1311 is designed to meet the stringent requirements of industrial and medical applications where data isolation is critical.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 3 |
| Logic Signal Frequency | DC to 1 MHz, up to 10 Mbps (BRWZ Grade Only) |
| VDD1 Supply Current (Q Grade, 1 MHz) | 2.2 - 2.8 mA |
| VDD2 Supply Current (Q Grade, 1 MHz) | 1.8 - 2.4 mA |
| Input Currents (IIA, IIB, IIC, ICTRL1, ICTRL2, IDISABLE) | -10 to +10 µA |
| Logic High Input Threshold (VIH) | 2.0 V |
| Logic Low Input Threshold (VIL) | 0.8 V |
| Logic High Output Voltages (VOAH, VOBH, VOCH) | 4.8 - 5.0 V (IOx = -20 µA, VIx = VIxH) |
| Logic Low Output Voltages (VOAL, VOBL, VOCL) | 0.0 - 0.1 V (IOx = 20 µA, VIx = VIxL) |
| Minimum Pulse Width (PW) | 1000 ns (CL = 15 pF, CMOS signal levels) |
| Maximum Data Rate | 1 Mbps (CL = 15 pF, CMOS signal levels) |
| Propagation Delay (tPHL, tPLH) | 20 - 100 ns (CL = 15 pF, CMOS signal levels) |
Key Features
- High-speed data transfer up to 10 Mbps (BRWZ Grade Only)
- Low power consumption with supply currents as low as 2.2 mA (VDD1) and 1.8 mA (VDD2) at 1 MHz
- High input impedance and low input current
- CMOS-compatible input and output levels
- Propagation delay of 20 - 100 ns
- Minimum pulse width of 1000 ns
- Monolithic air core transformer technology for reliable isolation
Applications
- Industrial control systems requiring high-speed data isolation
- Medical devices where electrical isolation is critical for patient safety
- Automotive systems, including CAN, audio, and Ethernet interfaces
- Industrial I/O and IO-Link applications
- General-purpose digital isolation in various electronic systems
Q & A
- What is the ADUM1311BRWZ-RL used for? The ADUM1311BRWZ-RL is used for high-speed digital isolation in various applications, including industrial control systems, medical devices, and automotive systems.
- How many channels does the ADUM1311BRWZ-RL have? The ADUM1311BRWZ-RL has three channels.
- What is the maximum data rate of the ADUM1311BRWZ-RL? The maximum data rate is up to 10 Mbps for the BRWZ grade.
- What is the typical supply current for the ADUM1311BRWZ-RL at 1 MHz? The typical supply current is 2.2 - 2.8 mA for VDD1 and 1.8 - 2.4 mA for VDD2.
- What is the propagation delay of the ADUM1311BRWZ-RL? The propagation delay is between 20 - 100 ns.
- What technology does the ADUM1311BRWZ-RL use for isolation? The ADUM1311BRWZ-RL uses monolithic air core transformer technology for isolation.
- Is the ADUM1311BRWZ-RL suitable for medical applications? Yes, it is suitable for medical applications due to its high isolation capabilities.
- What are the logic input and output levels of the ADUM1311BRWZ-RL? The logic input and output levels are CMOS-compatible.
- What is the minimum pulse width for the ADUM1311BRWZ-RL? The minimum pulse width is 1000 ns.
- Where can I find detailed specifications for the ADUM1311BRWZ-RL? Detailed specifications can be found in the datasheet available on Analog Devices' official website and other electronic component distributors like Mouser and Heisener.
