Overview
The ADuM1201BR-RL7, produced by Analog Devices Inc., is a dual-channel digital isolator designed to provide high-speed, low-power isolation for digital signals. This component is part of the ADuM1200/ADuM1201 series, which offers various channel configurations and data rates. The ADuM1201BR-RL7 is particularly suited for applications requiring high data rates and precise timing characteristics.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel (Quiescent) | IDDI (Q) | 0.26 | 0.35 | - | mA | VDD1 = VDD2 = 3.0 V, TA = 25°C |
| Output Supply Current per Channel (Quiescent) | IDDO (Q) | 0.11 | 0.20 | - | mA | VDD1 = VDD2 = 3.0 V, TA = 25°C |
| Maximum Data Rate | - | - | - | 10 Mbps | - | CL = 15 pF, CMOS signal levels |
| Propagation Delay | tPHL, tPLH | 15 | - | 55 ns | - | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | PWD | - | - | 3 ns | - | CL = 15 pF, CMOS signal levels |
| Common-Mode Transient Immunity | |CMH|, |CML| | 25 | - | 35 kV/μs | - | VIx = VDD1 or VDD2, VCM = 1000 V, transient magnitude = 800 V |
| Operating Temperature | - | - | - | -125°C to 125°C | - | - |
| Package Type | - | - | - | SOIC-8 | - | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 10 Mbps.
- Low Power Operation: Maximum current consumption of 1.1 mA per channel at 0 Mbps to 2 Mbps and 3.7 mA per channel at 10 Mbps for 5 V operation.
- Precise Timing Characteristics: Pulse width distortion of less than 3 ns and tight channel-to-channel matching of less than 3 ns for CR grade.
- High Common-Mode Transient Immunity: Greater than 25 kV/μs, ensuring robust performance in noisy environments.
- Voltage Translation: Supports 3 V/5 V level translation across the isolation barrier.
- Automotive Grade: Qualified for automotive applications with operation up to 125°C.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
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 industrial automation.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Used in automotive systems for isolation and protection.
Q & A
- What is the maximum data rate supported by the ADuM1201BR-RL7?
The ADuM1201BR-RL7 supports a maximum data rate of 10 Mbps.
- What is the typical power consumption per channel at 10 Mbps for 5 V operation?
The typical power consumption per channel at 10 Mbps for 5 V operation is 3.7 mA.
- What is the pulse width distortion of the ADuM1201BR-RL7?
The pulse width distortion is less than 3 ns.
- What is the common-mode transient immunity of the ADuM1201BR-RL7?
The common-mode transient immunity is greater than 25 kV/μs.
- Does the ADuM1201BR-RL7 support voltage translation?
Yes, it supports 3 V/5 V level translation across the isolation barrier.
- Is the ADuM1201BR-RL7 qualified for automotive applications?
Yes, it is qualified for automotive applications with operation up to 125°C.
- What package type does the ADuM1201BR-RL7 come in?
The ADuM1201BR-RL7 comes in an SOIC-8 package.
- What is the refresh feature of the ADuM1201BR-RL7?
The refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What are some common applications of the ADuM1201BR-RL7?
Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and automotive systems.
- What is the operating temperature range of the ADuM1201BR-RL7?
The operating temperature range is -125°C to 125°C.
