Part-No. / Function Interface Transducer frequency Architecture Transducer driver type / output Measurable Distance* VSUPPLY Package Comment
E524.02
Digital Ultrasonic Transducer Driver and Signal Processor

proprietary bidirectional IO (2-wire)

40kHz to 58kHz

pt-to-pt

transformer / 108mA to 310mA

20cm - 400cm

7V to 18V

QFN20L4

  • For new designs E524.08 is recommended
E524.03
Digital Ultrasonic Transducer Driver and Signal Processor

proprietary bidirectional IO (3-wire)

40kHz to 58kHz

pt-to-pt

transformer / 108mA to 310mA

20cm - 400cm

7V to 18V

QFN20L4

  • For new designs E524.09 is recommended
E524.05
Direct Drive Ultrasonic Sensor IC

proprietary bidirectional IO (2-wire)

38kHz to 72kHz

pt-to-pt

direct drive /
8V to 14.5V

25cm - 250cm

7V to 18V

QFN20L4

  • Significant reduction of system costs and size
  • For new designs E524.32 is recommeded
E524.06
Direct Drive Ultrasonic Sensor IC

proprietary bidirectional IO (3-wire)

38kHz to 72kHz

pt-to-pt

direct drive /
8V to 14.5V

25cm - 250cm

7V to 18V

QFN20L4

  • Significant reduction of system costs and size
  • For new designs E524.33 is recommended
E524.07
Direct Drive Ultrasonic Sensor IC

EUSART (2-wire)

38kHz to 72kHz

external µC

direct drive /
8V to 14.5V

25cm - 250cm

7V to 18V

QFN20L4

  • Significant reduction of system costs and size
E524.08
2nd Generation Ultrasonic Transducer Driver and Signal Processor

proprietary bidirectional IO (2-wire)

30kHz to 83kHz

pt-to-pt

transformer / 168mA to 354mA

10cm - 600cm

6V to 18V

QFN20L4

  • Excellent short and long range performance
  • High robustness and sensor diagnostics
  • Advanced IO communication interface
E524.09
2nd Generation Ultrasonic Transducer Driver and Signal Processor

proprietary bidirectional IO (3-wire)

30kHz to 83kHz

pt-to-pt

transformer / 168mA to 354mA

10cm - 600cm

6V to 18V

QFN20L4

  • Excellent short and long range performance
  • High robustness and sensor diagnostics
  • Advanced IO communication interface
E524.32
High Voltage Direct Drive Ultrasonic Sensor IC

proprietary bidirectional IO (2-wire)

30kHz to 83kHz

pt-to-pt

direct drive

10cm - 400cm

6V to 18V

QFN20L4

  • Best measurement performance without transformer
  • High robustness and sensor diagnostics
  • Near field detection
E524.33/E524.34/E524.35
High Voltage Direct Drive Ultrasonic Sensor IC

proprietary bidirectional IO (3-wire)

30kHz to 83kHz

pt-to-pt

direct drive

10cm - 400cm

6V to 18V

QFN20L4

  • Best measurement performance without transformer
  • High robustness and sensor diagnostics
  • Near field detection

*) 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, …)