This device provides best performance in ultrasonic applications. It builds the core for a robust and easy-to-handle distance measurement system, while offering flexibility for customer applications.

The integrated driver... read more


  • Supports directly driven transducers
  • Best measurement performance due to:
    - Smart damping algorithm / Two static and one automatic thresholds / Near field detection / Noise suppression
  • High robustness and diagnostics
  • Transducer diagnosis information / Temperature sensor
  • Advanced IO protocol with configurable measurement profiles
  • E524.32: 2-wire Interface
  • E524.33: 3-wire Interface
  • E524.34: 3-wire Interface 3.3V
  • E524.35: 3-wire Interface 5.0V


Free Download

File Description Type
Info Sheet PDF 139 kB
Application Note Feature Description for Sensor Integration PDF 611 kB
Product Flyer Ultrasonic Sensors PDF 2.89 MB

On Request

File Description
E524.33-35 | Data Sheet

Application Diagram


  • Ultrasonic park assist systems (USPA, PAS, ...)
  • Advanced driver assistance systems (ADAS)
  • Distance and level metering

Ordering Information

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Part No. Interface Package Order No.
E524.33 3-wire, VSUP QFN20L4 E52433A52C
E524.34 3-wire, 3.3V QFN20L4  E52434A52C 
E524.35 3-wire, 5.0V QFN20L4  E52434A52C 


Part No. Description Board type Order No.
E524.33 Ultrasonic Sensor Application Board Demoboard K52433-0001

*) Reachable detection range for a standard pole (75mm diameter, 1m height).
Overall system performance depends on external components (transducer, transformer, PCB layout, …) and environmental conditions (supply voltage, noise, ambient temperature, …)

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