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Product Detailed Parameters
- Description：DGTL ISO 2.5KV 2CH GT DVR 8SOIC
- Series：iCoupler®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Magnetic Coupling
- Number of Channels：2
- Voltage - Isolation：2500Vrms
- Propagation Delay tpLH / tpHL (Max)：60ns, 60ns
- Pulse Width Distortion (Max)：-
- Rise / Fall Time (Typ)：20ns, 20ns
- Current - Output High, Low：-
- Current - Peak Output：4A
- Voltage - Forward (Vf) (Typ)：-
- Voltage - Output Supply：7.6V ~ 18V
- Grade：-
- Qualification：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Common Mode Transient Immunity (Min)：25kV/µs
- Approval Agency：CSA, UR, VDE
- Current - DC Forward (If) (Max)：-
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Overview
The ADUM3221BRZ-RL7 is a dual-channel, galvanically isolated gate driver manufactured by Analog Devices Inc. It utilizes iCoupler magnetic coupling technology to provide signal isolation with high common-mode transient immunity. The device features two independent channels, each capable of sourcing and sinking 4 A peak output current. It operates within a supply voltage range of 3 V to 5 V on both the input and output sides. The component is housed in an 8-pin SOIC package and supports surface-mount installation. It is designed for robust performance in harsh electrical environments.
Feature Summary
- Dual-channel architecture providing independent signal isolation paths
- High peak output current capability for efficient power switch driving
- Galvanic isolation via iCoupler magnetic technology ensuring safety and noise rejection
- Wide operating temperature range suitable for industrial applications
Applications
- Half-bridge and full-bridge power converter topologies
- Motor control systems requiring isolated gate drive signals
- Industrial inverters and AC drives
- Solar micro-inverter implementations
Procurement Notes
Verify the specific suffix RL7 indicates reel packaging when ordering. Confirm that the BRZ variant meets RoHS compliance requirements for your region. Cross-reference the manufacturer part number ADUM3221BRZ with distributor listings to ensure availability status. Check for any recent product change notifications affecting pinout or specifications. Ensure the receiving facility handles ESD-sensitive components appropriately during storage and assembly.
Selection Notes
Choose this component when dual isolated outputs are required for synchronous rectification or bridge driving. The 4 A peak current rating suits medium-power MOSFETs and IGBTs. Consider the 2.5 kVrms isolation rating for primary-to-secondary separation needs. Evaluate the SOIC-8 footprint against board space constraints. Compare propagation delay characteristics against system timing requirements to ensure adequate switching margins.
Part Context
This part belongs to the ADUM322x family of digital isolators and gate drivers from Analog Devices. It complements single-channel variants like the ADUM3201 and higher-channel options like the ADUM3223. The series emphasizes reliability through solid-state magnetic coupling rather than optical components. It serves as a critical interface between low-voltage control logic and high-voltage power stages in modern power electronics designs.
Replacement Considerations
The ADUM3221ARZ is a non-reel version of the same functional device. The ADUM3221WBRZ offers automotive qualification (AEC-Q100) with identical electrical characteristics. Verify pin compatibility before substituting these alternatives. Ensure the replacement matches the required isolation voltage and output current specifications.
