ADuM34xE Family: 5.7 kV_RMS quad digital isolators

13 Jul 2023

Combining high speed, complementary metal-oxide semiconductor (CMOS) and back-to-back monolithic air core transformer technology, The ADuM340E/ADuM341E/ADuM342E provide outstanding performance characteristics and meet CISPR 32/EN 55032 Class B limits at 5 Mbps. The maximum propagation delay is 10 ns with a pulse width distortion of less than 3 ns at 5 V operation. Channel matching is tight at 3.0 ns maximum.

The ADuM340E/ADuM341E/ADuM342E data channels are independent and are available in a variety of configurations with a withstand voltage rating of 5.7 kVRMS. The devices operate with the supply voltage on either side ranging from 2.25 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier.

Two different fail-safe options are available, by which the outputs transition to a predetermined state when the input power supply is not applied.

Key Features and Benefits

High common-mode transient immunity: 180 kV/µs typical
High robustness to radiated and conducted noise
Low propagation delay
- 6.2 ns typical (10 ns maximum) for 5 V operation
Low dynamic power consumption, <1.65 mA/ch at 1 Mbps
2.25V to 5.5V level translation
150 Mbps maximum guaranteed data rate for 5 V operation
High temperature operation: 125°C
Safety and regulatory approvals
- UL recognition: 5700 V rms for 1 minute per UL 1577
- VDE certificate of conformity (pending)
  - DIN V VDE V 0884-11 (VDE V 0884-11):2017-01
  - V_IORM = 1173 V peak
- 10,000 V peak reinforced surge isolation voltage
- CSA certification per IEC 62368-1 and IEC 61010-1 (pending)
- TÜV Süd certification per EN 62368-1 (pending)
- CQC certification per GB4943.1-2022 (pending)
±8 kV IEC 61000-4-2 ESD protection across isolation barrier
±5 kV HBM ESD protection on input/output pins
Fail-safe high (E1) or low (E0) options
16-lead, RoHS compliant, SOIC package
Backward compatibility with
- ADuM1400/ADuM1401/ADuM1402
- ADuM2400/ADuM2401/ADuM2402
- ADuM140E/ADuM141E/ADuM142E
- ADuM240E/ADuM241E/ADuM242E
AEC-Q100 qualified for automotive applications

Applications

Serial peripheral interface (SPI) data converter isolation
RS-485 and controller area network with flexible data rate (CAN FD) industrial field bus isolation
PWM controller signal isolation
General-purpose multichannel isolation