Overview
The ADUM3151ARSZ is a 7-channel digital isolator produced by Analog Devices Inc., designed to provide reliable signal isolation for serial peripheral interfaces (SPI). This component utilizes Analog Devices' iCoupler® chip scale transformer technology to ensure high-speed data transmission and robust isolation. It is particularly suited for applications in industrial automation, process control, and other environments where signal integrity and safety are critical.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of Channels | 7 Channel | Mounting Style | SMD/SMT |
| Data Rate | Up to 17 MHz (SPI), 250 kbps (low speed channels) | Isolation Voltage | 3750 Vrms |
| Isolation Type | Magnetic Coupling | Max Supply Voltage | 5.5 V |
| Supply Voltage - Min | 3 V | Current @ Pmpp | 4 mA, 6 mA |
| Propagation Delay Time | 14 ns (SPI), up to 2.5 µs (low speed channels) | Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +125 | Moisture Sensitive | Yes |
| Protocol Supported | SPI | Package Type | SSOP-20 |
| Package Dimensions | 7.2 mm x 5.3 mm x 1.75 mm | Lead Shape | Gull-wing |
Key Features
- High-speed data transmission rates up to 17 MHz for SPI and 250 kbps for low-speed channels.
- Seven isolated channels, including four SPI channels and three additional independent low data rate channels.
- High common-mode transient immunity: >25 kV/µs.
- Compliance with safety and regulatory standards: UL 1577, CSA, VDE.
- Low propagation delay and jitter: 14 ns propagation delay and 1 ns jitter for SPI channels.
- Supports digital input levels of 1.8 V to 5.5 V.
- Power supply monitoring capabilities.
- Supports 8-channel, 12-bit ADC conversion.
Applications
- Industrial automation and process control systems.
- Security access control systems.
- Temperature monitoring devices.
- Analog transducer isolators.
- Motor control and power supply monitoring systems.
- Test and measurement equipment.
Q & A
- Q: What is the primary function of the ADUM3151ARSZ?
A: The ADUM3151ARSZ is a 7-channel digital isolator designed to provide reliable signal isolation for serial peripheral interfaces (SPI).
- Q: What is the maximum data rate supported by the ADUM3151ARSZ?
A: The ADUM3151ARSZ supports data rates up to 17 MHz for SPI and 250 kbps for low-speed channels.
- Q: What is the isolation voltage of the ADUM3151ARSZ?
A: The ADUM3151ARSZ has an isolation voltage of 3750 Vrms.
- Q: What are the operating temperature ranges for the ADUM3151ARSZ?
A: The operating temperature range is from -40°C to +125°C.
- Q: What safety and regulatory standards does the ADUM3151ARSZ comply with?
A: The ADUM3151ARSZ complies with UL 1577, CSA, and VDE safety and regulatory standards.
- Q: What is the package type and dimensions of the ADUM3151ARSZ?
A: The ADUM3151ARSZ is packaged in a 20-pin SSOP with dimensions of 7.2 mm x 5.3 mm x 1.75 mm.
- Q: How can I find detailed information about the ADUM3151ARSZ, such as application notes and factory information?
A: You can find detailed information by visiting the Analog Devices website or using Ovaga's intelligent search engine.
- Q: Are there any equivalent products to the ADUM3151ARSZ?
A: Yes, equivalent products include the Silicon Labs Si823x series, the Texas Instruments ISO774x and ISO776x series, and the Maxim Integrated MAX14930 and MAX14932 series.
- Q: What are some common applications of the ADUM3151ARSZ?
A: Common applications include industrial automation, security access control systems, temperature monitoring devices, and test and measurement equipment.
- Q: Does the ADUM3151ARSZ support power supply monitoring?
A: Yes, the ADUM3151ARSZ has power supply monitoring capabilities.
