Overview
The ADUM1402ARWZ-RL from Analog Devices Inc. is a quad-channel digital isolator designed to provide high-speed data transfer with robust isolation between two different voltage domains. This component utilizes Analog Devices' patented iCoupler technology, which ensures reliable and accurate data transmission without the need for optical components. The ADUM1402ARWZ-RL is housed in a 16-pin SOIC W package and is suitable for a wide range of applications requiring digital signal isolation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Number of Channels | - | 4 | - | - | - |
| Data Rate | - | - | 1 Mbps | - | CL = 15 pF, CMOS signal levels |
| Propagation Delay | 50 ns | 65 ns | 100 ns | - | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | - | - | 40 ns | - | CL = 15 pF, CMOS signal levels |
| Input Supply Current per Channel (Quiescent) | 0.50 mA | 0.53 mA | - | - | DC to 1 MHz logic signal freq. |
| Output Supply Current per Channel (Quiescent) | 0.19 mA | 0.21 mA | - | - | DC to 1 MHz logic signal freq. |
| Operating Temperature Range | -40°C | - | 105°C | - | - |
| Isolation Voltage | - | - | 560 Vp | - | - |
| Package Type | - | - | SOIC W | - | - |
| Package Dimensions | - | - | 10.5 x 7.6 x 2.35 mm | - | - |
Key Features
- Quad-Channel Isolation: The ADUM1402ARWZ-RL provides isolation for four independent digital channels, ensuring robust signal integrity and isolation between different voltage domains.
- High-Speed Data Transfer: Supports data rates up to 1 Mbps, making it suitable for high-speed applications.
- Low Pulse Width Distortion: Features low pulse width distortion (<2 ns for CRW grade), ensuring accurate data transmission.
- Tight Channel-to-Channel Matching: Offers tight channel-to-channel matching (<2 ns for CRW grade), which is crucial for synchronized data transfer.
- Refresh Feature: Includes a patented refresh feature that ensures dc correctness even in the absence of input logic transitions or when power is not applied to one of the supplies.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to 105°C, making it suitable for various environmental conditions.
- High Isolation Voltage: Provides an isolation voltage of up to 560 Vp, ensuring reliable isolation between the two voltage domains.
Applications
- Industrial Control Systems: Used in industrial control systems where high-speed data transfer and robust isolation are required.
- Medical Devices: Suitable for medical devices that need reliable isolation to ensure patient safety.
- Automotive Systems: Although not specifically automotive-grade, similar models in the ADuM1400 series are available for automotive applications.
- Power Supplies and DC-DC Converters: Used in power supplies and DC-DC converters to isolate control signals from the power stage.
- Data Acquisition Systems: Employed in data acquisition systems to isolate analog and digital signals from the system's power supply.
Q & A
- What is the ADUM1402ARWZ-RL used for?
The ADUM1402ARWZ-RL is a quad-channel digital isolator used to provide high-speed data transfer with robust isolation between two different voltage domains.
- What is the maximum data rate supported by the ADUM1402ARWZ-RL?
The ADUM1402ARWZ-RL supports a maximum data rate of 1 Mbps.
- What is the propagation delay of the ADUM1402ARWZ-RL?
The propagation delay of the ADUM1402ARWZ-RL is between 50 ns and 100 ns.
- What is the operating temperature range of the ADUM1402ARWZ-RL?
The operating temperature range is from -40°C to 105°C.
- What is the isolation voltage of the ADUM1402ARWZ-RL?
The isolation voltage is up to 560 Vp.
- What package type is the ADUM1402ARWZ-RL available in?
The ADUM1402ARWZ-RL is available in a 16-pin SOIC W package.
- Does the ADUM1402ARWZ-RL have any special features for ensuring dc correctness?
Yes, it includes a patented refresh feature that ensures dc correctness even in the absence of input logic transitions or when power is not applied to one of the supplies.
- What are some common applications of the ADUM1402ARWZ-RL?
Common applications include industrial control systems, medical devices, power supplies, and data acquisition systems.
- Is the ADUM1402ARWZ-RL suitable for automotive applications?
While the ADUM1402ARWZ-RL itself is not automotive-grade, similar models in the ADuM1400 series are available for automotive applications.
- How many channels does the ADUM1402ARWZ-RL provide?
The ADUM1402ARWZ-RL provides four independent digital channels.
