IO pt-to-pt Interface

Part-No. / Function	Interface	Transducer frequency	Architecture	Transducer driver type / output	Measurable Distance*	V_SUPPLY	Package	Comment
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, …)

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