| Part-No. / Function | Interface | Transducer frequency | Architecture | Transducer driver type / output | Measurable Distance* | VSUPPLY | 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 | 
 | 
| 
                                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 | 
 | 
| 
                                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 | 
 | 
| 
                                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 | 
 | 
*) 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, …)