Overview
The ADUM3153BRSZ-RL7 is a 7-channel digital isolator produced by Analog Devices Inc., optimized for isolated serial peripheral interfaces (SPIs). This component utilizes Analog Devices' iCoupler® chip scale transformer technology, ensuring high-speed and low-propagation delay signal isolation. It is particularly designed for applications requiring high common-mode transient immunity and robust safety features.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 7 | - | - |
| Operating Temperature | -40°C to 125°C | °C | - |
| SPI Clock Speed | Up to 17 MHz | MHz | - |
| Propagation Delay | 14 ns | ns | - |
| Jitter | 1 ns | ns | - |
| Common-Mode Transient Immunity | >25 kV/µs | kV/µs | - |
| Package Type | 20-lead SSOP | - | - |
| Creepage Distance | 5.1 mm | mm | - |
| Input to Output Resistance | 10^12 Ω | Ω | - |
| Input to Output Capacitance | 1.0 pF | pF | f = 1 MHz |
| Input Capacitance | 4.0 pF | pF | From any input data pin to ground |
| Thermal Resistance (Junction to Case) | 75 °C/W | °C/W | Thermocouple located at center of package underside |
Key Features
- High-Speed SPI Isolation: Supports SPI clock speeds up to 17 MHz with low propagation delay and jitter.
- High Common-Mode Transient Immunity: >25 kV/µs to ensure robust signal isolation in noisy environments.
- High Temperature Operation: Operates over a wide temperature range from -40°C to 125°C.
- Safety and Regulatory Approvals: UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12.
- Low Power Consumption: Various supply current levels depending on the operating frequency and channel usage.
- Compact Packaging: 20-lead SSOP package with 5.1 mm creepage distance.
Applications
- Industrial Programmable Logic Controllers (PLCs): Ideal for isolating SPI signals in industrial control systems.
- Sensor Isolation: Used to isolate sensors from the main system to prevent noise and ensure reliable data transmission.
- Medical Devices: Suitable for medical applications requiring high isolation and safety standards.
- Automotive Systems: Can be used in automotive systems where high reliability and isolation are critical.
Q & A
- What is the maximum SPI clock speed supported by the ADUM3153BRSZ-RL7?
The ADUM3153BRSZ-RL7 supports SPI clock speeds up to 17 MHz.
- What is the operating temperature range of the ADUM3153BRSZ-RL7?
The operating temperature range is from -40°C to 125°C.
- What is the common-mode transient immunity of the ADUM3153BRSZ-RL7?
The common-mode transient immunity is greater than 25 kV/µs.
- What are the safety and regulatory approvals for the ADUM3153BRSZ-RL7?
The device has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12.
- What is the package type and creepage distance of the ADUM3153BRSZ-RL7?
The package type is 20-lead SSOP with a creepage distance of 5.1 mm.
- What are the typical applications of the ADUM3153BRSZ-RL7?
Typical applications include industrial programmable logic controllers (PLCs), sensor isolation, medical devices, and automotive systems.
- How many channels does the ADUM3153BRSZ-RL7 have?
The ADUM3153BRSZ-RL7 has 7 channels.
- What is the input to output resistance of the ADUM3153BRSZ-RL7?
The input to output resistance is 10^12 Ω.
- What is the thermal resistance (junction to case) of the ADUM3153BRSZ-RL7?
The thermal resistance (junction to case) is 75 °C/W.
- How does the ADUM3153BRSZ-RL7 ensure signal integrity in noisy environments?
The device ensures signal integrity through its high common-mode transient immunity and low propagation delay.
