Overview
The ADUM3200CRZ-RL7, produced by Analog Devices Inc., is a dual-channel digital isolator that leverages the company's iCoupler technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. By eliminating the use of LEDs and photodiodes, the ADUM3200CRZ-RL7 avoids common optocoupler issues such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. This results in stable and reliable digital interfaces with reduced power consumption, making it an ideal choice for various high-speed isolation applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Current (per channel) | IDD1 | 0.8 | 1.3 | 2.2 | mA | No load, 3.3V operation |
| Supply Current (per channel) at 10 Mbps | IDD1 | 3.2 | 4.8 | 6.4 | mA | No load, 3.3V operation |
| Supply Current (per channel) at 25 Mbps | IDD1 | 5.2 | - | - | mA | No load, 3.3V operation |
| Data Rate | - | - | - | 25 | Mbps | NRZ |
| Pulse Width Distortion | - | - | 3 | ns | - | |
| Channel-to-Channel Matching | - | - | 3 | ns | - | |
| Common-Mode Transient Immunity | |CM| | 25 | 35 | - | kV/μs | VIx = VDDX, VCM = 1000 V, transient magnitude = 800 V |
| Operating Voltage | VDD | 3.0 | 3.3 | 3.6 | V | - |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer between isolated channels.
- High Data Rate: Operates at data rates up to 25 Mbps (NRZ).
- Precise Timing Characteristics: Offers low pulse width distortion and channel-to-channel matching.
- High Common-Mode Transient Immunity: Provides immunity to common-mode transients greater than 25 kV/μs.
- Low Power Consumption: Consumes significantly less power compared to optocouplers at similar data rates.
- 3.3 V Operation: Compatible with 3.3 V supply voltage.
- Safety and Regulatory Approvals: Meets UL, CSA, and VDE safety standards.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Used in isolating SPI interfaces and data converters.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for isolating serial communication transceivers.
- Digital Field Bus Isolation: Applied in digital field bus systems for reliable data transmission.
- Hybrid Electric Vehicles and Battery Monitoring: Qualified for use in automotive applications, including hybrid electric vehicles and battery monitoring systems.
Q & A
- What is the ADUM3200CRZ-RL7?
The ADUM3200CRZ-RL7 is a dual-channel digital isolator produced by Analog Devices Inc., utilizing iCoupler technology. - What are the key advantages of the ADUM3200CRZ-RL7 over optocouplers?
The ADUM3200CRZ-RL7 offers stable performance, lower power consumption, and avoids issues like uncertain current transfer ratios and nonlinear transfer functions associated with optocouplers. - What is the maximum data rate supported by the ADUM3200CRZ-RL7?
The ADUM3200CRZ-RL7 supports data rates up to 25 Mbps (NRZ). - What is the common-mode transient immunity of the ADUM3200CRZ-RL7?
The component has a common-mode transient immunity greater than 25 kV/μs. - What are the safety and regulatory approvals for the ADUM3200CRZ-RL7?
The ADUM3200CRZ-RL7 meets UL, CSA, and VDE safety standards. - What are some typical applications of the ADUM3200CRZ-RL7?
It is used in size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and automotive applications. - What is the operating voltage range of the ADUM3200CRZ-RL7?
The operating voltage range is 3.0 V to 3.6 V. - How does the ADUM3200CRZ-RL7 handle bidirectional communication?
The ADUM3200CRZ-RL7 supports bidirectional data transfer between isolated channels. - What is the pulse width distortion of the ADUM3200CRZ-RL7?
The pulse width distortion is 3 ns maximum. - Is the ADUM3200CRZ-RL7 qualified for automotive applications?
Yes, it is qualified for automotive applications, including hybrid electric vehicles and battery monitoring systems.
