ADUM4190TRIZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Isolation
• Characteristics:
  • High-speed digital isolation
  • Low power consumption
  • Small package size
  • Robust performance in noisy environments
• Package: Surface Mount Technology (SMT)
• Essence: The ADUM4190TRIZ is a high-speed, low-power digital isolator designed for signal isolation in various applications.
• Packaging/Quantity: The ADUM4190TRIZ is available in a surface mount package and is typically sold in reels of 2500 units.

Specifications

• Isolation Voltage: 5 kV
• Data Rate: Up to 25 Mbps
• Supply Voltage Range: 3.0 V to 5.5 V
• Operating Temperature Range: -40°C to +105°C
• Propagation Delay: 20 ns (max)
• Power Consumption: 1.6 mW (typ)

Pin Configuration

The ADUM4190TRIZ has a total of 16 pins arranged as follows:

Pin 1: VDD1 Pin 2: GND1 Pin 3: NC Pin 4: A1 Pin 5: B1 Pin 6: GND2 Pin 7: VDD2 Pin 8: NC Pin 9: B2 Pin 10: A2 Pin 11: GND3 Pin 12: VDD3 Pin 13: NC Pin 14: REFA Pin 15: REF Pin 16: NC

Functional Features

• Provides galvanic isolation between two digital signal paths.
• Supports bidirectional communication.
• High-speed data transmission up to 25 Mbps.
• Low power consumption for energy-efficient operation.
• Robust performance in noisy environments due to isolation barrier.

Advantages

• Ensures reliable signal isolation, protecting sensitive components from voltage spikes and noise.
• Small package size allows for space-saving integration into compact designs.
• Wide operating temperature range enables usage in various environmental conditions.
• High-speed data transmission facilitates real-time communication between isolated systems.

Disadvantages

• Relatively high cost compared to non-isolated alternatives.
• Limited number of pins may restrict the complexity of the system it can be used in.
• Requires careful consideration of power supply requirements to ensure proper functionality.

Working Principles

The ADUM4190TRIZ utilizes a proprietary iCoupler® technology to achieve signal isolation. It employs a combination of high-speed CMOS and monolithic air core transformer technologies to transmit data across the isolation barrier. This ensures that signals are transferred without any direct electrical connection, providing galvanic isolation.

Detailed Application Field Plans

The ADUM4190TRIZ finds applications in various fields, including:

1. Industrial automation: Isolation of control signals in motor drives, PLCs, and industrial sensors.
2. Medical devices: Isolation of patient monitoring signals to prevent ground loops and ensure patient safety.
3. Power grid monitoring: Isolation of communication interfaces in smart meters and energy management systems.
4. Automotive electronics: Isolation of CAN bus signals for enhanced safety and reliability.
5. Telecommunications: Isolation of data lines in networking equipment to protect against voltage transients.

Detailed Alternative Models

1. ADUM3190TRIZ: Similar to ADUM4190TRIZ but with a lower data rate of 10 Mbps.
2. ADUM5190TRIZ: Higher-speed version of ADUM4190TRIZ with a data rate of 50 Mbps.
3. ADUM2190TRIZ: Lower-cost alternative with a reduced isolation voltage of 2.5 kV.

These alternative models provide flexibility in selecting the appropriate digital isolator based on specific application requirements.

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