Overview
The ADUM3152ARSZ-RL7, produced by Analog Devices Inc., is a 7-channel SPIsolator™ digital isolator designed to optimize isolated serial peripheral interfaces (SPIs). This component leverages Analog Devices' iCoupler® chip scale transformer technology to ensure high-speed and low-propagation-delay signal isolation. It is particularly suited for applications requiring reliable and high-speed data transfer across isolation barriers.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| SPI Clock Speed | - | - | - | 17 MHz | - | - |
| Propagation Delay | - | - | 14 ns | - | - | - |
| Jitter | - | - | 1 ns | - | - | - |
| Supply Current (1 MHz, A Grade) | IDD1 | 4.8 mA | 8 mA | 14 mA | - | CL = 0 pF, low speed channels |
| Supply Current (1 MHz, A Grade) | IDD2 | 6.5 mA | 10.5 mA | 14 mA | - | CL = 0 pF, low speed channels |
| Supply Current (17 MHz, B Grade) | IDD1 | 21.5 mA | - | - | - | CL = 0 pF, low speed channels |
| Supply Current (17 MHz, B Grade) | IDD2 | 22.5 mA | - | - | - | CL = 0 pF, low speed channels |
| Input to Output Resistance | RI-O | 1012 Ω | - | - | - | - |
| Input to Output Capacitance | CI-O | 1.0 pF | - | - | - | f = 1 MHz |
| Input Capacitance | CI | 4.0 pF | - | - | - | - |
| Package Type | - | - | - | SSOP-20 | - | - |
| Creepage Distance | - | - | - | 5.1 mm | - | - |
Key Features
- Supports up to 17 MHz SPI clock speed
- Low propagation delay of 14 ns and 1 ns jitter for optimal SPI timing
- Four high-speed, low-propagation-delay SPI signal isolation channels and three 250 kbps data channels
- High temperature operation up to 125°C
- High common-mode transient immunity: >25 kV/µs
- Safety and regulatory approvals: UL recognition per UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity DIN V VDE V 0884-10:2006-12
Applications
- Industrial programmable logic controllers (PLCs)
- Sensor isolation
- Any application requiring high-speed and reliable signal isolation across different voltage domains
Q & A
- What is the maximum SPI clock speed supported by the ADUM3152ARSZ-RL7?
The ADUM3152ARSZ-RL7 supports up to 17 MHz SPI clock speed. - What is the propagation delay of the SPI signals in the ADUM3152ARSZ-RL7?
The propagation delay is 14 ns with 1 ns jitter. - What are the safety and regulatory approvals for the ADUM3152ARSZ-RL7?
The component has UL recognition per UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity DIN V VDE V 0884-10:2006-12. - What is the maximum operating temperature of the ADUM3152ARSZ-RL7?
The maximum operating temperature is 125°C. - What is the common-mode transient immunity of the ADUM3152ARSZ-RL7?
The common-mode transient immunity is >25 kV/µs. - What type of package does the ADUM3152ARSZ-RL7 come in?
The component comes in a 20-lead SSOP package. - What is the creepage distance of the ADUM3152ARSZ-RL7 package?
The creepage distance is 5.1 mm. - What are some typical applications for the ADUM3152ARSZ-RL7?
Typical applications include industrial programmable logic controllers (PLCs) and sensor isolation. - How many channels does the ADUM3152ARSZ-RL7 have?
The component has 7 channels, including four high-speed SPI signal isolation channels and three 250 kbps data channels. - What technology is used in the ADUM3152ARSZ-RL7 for signal isolation?
The component uses Analog Devices' iCoupler® chip scale transformer technology.
