Overview
The ADuM3210TRZ, produced by Analog Devices Inc., is a dual-channel digital isolator based on Analog Devices' iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance compared to traditional optocoupler devices. It eliminates the design difficulties associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. The ADuM3210TRZ offers stable performance characteristics and low power consumption, making it an efficient choice for various isolation needs.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VDD1, VDD2 | −0.5 | 7.0 | V | |
| Input Voltage | VIA, VIB | −0.5 | VDDI + 0.5 | V | |
| Output Voltage | VOA, VOB | −0.5 | VDDO + 0.5 | V | |
| Propagation Delay | tPHL, tPLH | 15 | 55 | 55 | ns |
| Pulse Width Distortion | PWD | 5 | 3 | ns | |
| Output Rise/Fall Time | tR/tF | 2.5 | 2.5 | ns (10% to 90%) | |
| Supply Current (Quiescent) | IDD1, IDD2 | 0.7 | 1.3 | 2.1 | mA |
| Common-Mode Transient Immunity | |CM| | 25 | 35 | kV/µs |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps.
- Dual-Channel Isolation: Provides two independent isolation channels.
- Low Power Consumption: Consumes significantly less power compared to optocouplers.
- Voltage Translation: Operates with 3.3 V or 5 V supply voltages on either side, enabling voltage translation across the isolation barrier.
- High Common-Mode Transient Immunity: Offers immunity to common-mode transients up to 35 kV/µs.
- Stable Performance: Eliminates issues associated with optocouplers such as uncertain current transfer ratios and nonlinear transfer functions.
Applications
- Industrial I/O Systems: Suitable for industrial control systems requiring high-speed data isolation.
- Automotive Interfaces: Used in automotive systems for CAN, audio, and Ethernet interfaces.
- Medical Devices: Applicable in medical devices where high isolation and low power consumption are critical.
- Power Supply Systems: Utilized in power supply systems to ensure isolation between different voltage domains.
- Communication Systems: Employed in various communication systems such as RS-232, RS-422, and RS-485.
Q & A
- What is the ADuM3210TRZ based on?
The ADuM3210TRZ is based on Analog Devices' iCoupler® technology, combining high-speed CMOS and monolithic transformer technology.
- What are the key advantages over optocouplers?
The ADuM3210TRZ eliminates design difficulties associated with optocouplers, such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. It also consumes significantly less power.
- What are the supported data rates?
The ADuM3210TRZ supports data rates up to 25 Mbps.
- What supply voltages does it support?
The component operates with 3.3 V or 5 V supply voltages on either side, enabling voltage translation across the isolation barrier.
- What is the common-mode transient immunity?
The ADuM3210TRZ offers immunity to common-mode transients up to 35 kV/µs.
- What are the typical applications of the ADuM3210TRZ?
It is suitable for industrial I/O systems, automotive interfaces, medical devices, power supply systems, and various communication systems.
- How does it handle propagation delay?
The propagation delay (tPHL, tPLH) is typically 55 ns with a pulse width distortion of 3 ns.
- What is the output rise/fall time?
The output rise/fall time (tR/tF) is 2.5 ns (10% to 90%).
- What are the quiescent supply current values?
The quiescent supply current (IDD1, IDD2) ranges from 0.7 mA to 2.1 mA.
- What is the operating temperature range?
The ambient operating temperature range is −55°C to +125°C.
