The ADuM4151/ADuM4152/ADuM4153 are 5kV rms, 7-channel SPIsolatorTM digital isolators optimized for the Isolated Serial Peripheral Interface (SPI). (The 3.75kV rms model is available). Based on Analog Devices' iCoupler® chip-scale transformer technology, these devices feature low propagation delay in CLK, MO/SI, MI/SO, and SS SPI bus signals to support SPI clock rates up to 17 MHz. These channels operate with 14 ns propagation delay and 1 ns jitter to optimize timing for SPI.
Main features of ADUM4152:
1. Supports SPI clock speeds up to 17 MHz
2, 4 high speed, low propagation delay, SPI signal isolation channel
3. Three 250 kbps data channels
4, 20-pin SOIC_IC package with creepage distance of 8.3 mm
5, the working temperature can reach up to: 125 ° C
6. High common mode transient immunity: >25 kV/μs
ADUM4152 featured applications:
1. Industrial programmable logic controller (PLC)
2, sensor isolation
ADUM4152 internal structure circuit:
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