Overview
The ADUM2211SRIZ is a 2-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler® technology. This device combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. By eliminating the use of LEDs and photodiodes, the ADUM2211SRIZ avoids common design difficulties associated with optocouplers, such as limited lifetime and sensitivity to temperature and voltage variations.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Quiescent Input Supply Current | IDDI (Q) | 0.3 | 0.5 | mA | ||
| Quiescent Output Supply Current | IDDO (Q) | 0.3 | 0.5 | mA | ||
| Dynamic Input Supply Current | IDDI (D) | 0.19 mA/Mbps | ||||
| Dynamic Output Supply Current | IDDO (D) | 0.03 mA/Mbps | ||||
| Output Rise/Fall Time | tR/tF | 3 ns (T Grade), 10 ns (S Grade) | 10% to 90% | |||
| Common-Mode Transient Immunity | |CM| | 25 kV/µs | 35 kV/µs | VIx = VDDX, VCM = 1000 V, transient magnitude = 800 V | ||
| Input-to-Output Resistance | RI-O | 10^12 Ω | ||||
| Input-to-Output Capacitance | CI-O | 2.2 pF | f = 1 MHz |
Key Features
- High-Speed Operation: The ADUM2211SRIZ offers fast data transfer rates with output rise/fall times as low as 3 ns for the T Grade and 10 ns for the S Grade.
- High Common-Mode Transient Immunity: Capable of withstanding common-mode transient immunity up to 35 kV/µs, ensuring robust performance in noisy environments.
- Low Power Consumption: Features low quiescent and dynamic supply currents, making it suitable for power-sensitive applications.
- High Isolation Voltage: Provides 5000 Vrms isolation voltage, ensuring electrical safety and reliability.
- Compact Package: Available in a 16-lead SOIC package, making it ideal for space-constrained designs.
Applications
- Industrial Controls: Used in industrial automation and control systems to ensure reliable and isolated signal transmission.
- Automotive Systems: Applied in automotive electronics, such as in hybrid electric vehicles, battery monitors, and motor drives.
- Power Meters and Smart Grids: Utilized in power metering and smart grid applications to enhance system reliability and safety.
- Servers and Data Centers: Employed in server and data center environments to improve signal integrity and reduce noise.
- Medical Devices: Used in medical equipment where high isolation and low noise are critical.
Q & A
- What is the ADUM2211SRIZ used for?
The ADUM2211SRIZ is a 2-channel digital isolator used to isolate digital signals and prevent electrical interference and noise in various electronic systems.
- What is the isolation voltage of the ADUM2211SRIZ?
The ADUM2211SRIZ provides an isolation voltage of 5000 Vrms.
- What are the output rise/fall times for the ADUM2211SRIZ?
The output rise/fall times are 3 ns for the T Grade and 10 ns for the S Grade.
- What is the common-mode transient immunity of the ADUM2211SRIZ?
The common-mode transient immunity is up to 35 kV/µs.
- What package is the ADUM2211SRIZ available in?
The ADUM2211SRIZ is available in a 16-lead SOIC package.
- What are some typical applications of the ADUM2211SRIZ?
Typical applications include industrial controls, automotive systems, power meters, servers, and medical devices.
- How does the ADUM2211SRIZ differ from optocoupler devices?
The ADUM2211SRIZ uses iCoupler technology, avoiding LEDs and photodiodes, which eliminates common design difficulties associated with optocouplers.
- What is the quiescent input supply current of the ADUM2211SRIZ?
The quiescent input supply current is between 0.3 mA and 0.5 mA.
- Is the ADUM2211SRIZ suitable for high-speed applications?
- How does the ADUM2211SRIZ ensure electrical safety?
The ADUM2211SRIZ ensures electrical safety through its high isolation voltage and robust common-mode transient immunity.
