Overview
The ADUM3301CRWZ is a 3-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler technology. This device combines high-speed CMOS and monolithic air core transformer technology to provide reliable and high-speed digital isolation. It is designed to enhance system-level ESD reliability and is suitable for various applications requiring digital signal isolation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel, Quiescent | IDDI (Q) | 0.37 | 0.57 | mA | ||
| Output Supply Current per Channel, Quiescent | IDDO (Q) | 0.25 | 0.37 | mA | ||
| VDD1 Supply Current (DC to 1 MHz logic signal freq.) | IDD1 (Q) | 1.4 | 1.9 | mA | VDD1 = VDD2 = 3.3 V | |
| VDD2 Supply Current (DC to 1 MHz logic signal freq.) | IDD2 (Q) | 0.7 | 1.2 | mA | VDD1 = VDD2 = 3.3 V | |
| Logic High Input Threshold | VIH, VEH | 2.0 | V | |||
| Logic Low Input Threshold | VIL, VEL | 0.8 | V | |||
| Logic High Output Voltages | VOAH, VOBH, VOCH, VODH | −0.1 | 5.0 | V | IOx = −20 µA, VIx = VIxH | |
| Logic Low Output Voltages | VOAL, VOBL, VOCL, VODL | 0.0 | 0.1 | V | IOx = 20 µA, VIx = VIxL | |
| Maximum Data Rate | 10 Mbps | CL = 15 pF, CMOS signal levels | ||||
| Propagation Delay | tPHL, tPLH | 15 | 50 | ns | CL = 15 pF, CMOS signal levels |
Key Features
- 3-channel digital isolation using iCoupler technology
- High-speed CMOS and monolithic air core transformer technology
- Enhanced system-level ESD reliability
- Supports data rates up to 10 Mbps (CRW grade)
- Low propagation delay (15 ns to 50 ns)
- Operating voltage range: 3.3 V and 5 V
- Packaged in a 16-lead SOIC package
Applications
- Industrial I/O systems
- Automotive interfaces (CAN, Audio, Ethernet)
- RS-232 / RS-422 / RS-485 / RS-562 interfaces
- IO-Link and other industrial communication protocols
- Medical devices requiring high isolation
- General-purpose digital isolation in various systems
Q & A
- What is the ADUM3301CRWZ used for? The ADUM3301CRWZ is used for 3-channel digital isolation in various applications requiring high-speed and reliable signal isolation.
- What technology does the ADUM3301CRWZ use? It uses Analog Devices' iCoupler technology, combining high-speed CMOS and monolithic air core transformer technology.
- What are the typical operating voltages for the ADUM3301CRWZ? The device operates at 3.3 V and 5 V.
- What is the maximum data rate supported by the ADUM3301CRWZ? The maximum data rate supported is up to 10 Mbps for the CRW grade.
- What is the propagation delay of the ADUM3301CRWZ? The propagation delay ranges from 15 ns to 50 ns.
- What package type is the ADUM3301CRWZ available in? It is packaged in a 16-lead SOIC package.
- What are some common applications of the ADUM3301CRWZ? Common applications include industrial I/O systems, automotive interfaces, and medical devices requiring high isolation.
- Does the ADUM3301CRWZ support ESD protection? Yes, it is designed to enhance system-level ESD reliability.
- What is the typical quiescent supply current for the ADUM3301CRWZ? The typical quiescent supply current is around 1.4 mA to 1.9 mA for VDD1 and 0.7 mA to 1.2 mA for VDD2 at 3.3 V.
- Can the ADUM3301CRWZ be used in high-speed applications? Yes, it is suitable for high-speed applications with data rates up to 10 Mbps.
