Texas Instruments BOOSTXL-TUSS4470 Ultrasonic Transducer Evaluation Module (EVM) enables users to fully evaluate the TUSS4470 ultrasonic sensor signal conditioner and H-bridge driver. Transducer compatibility is expanded to open- or closed-top transducers operating between 30 to 1000kHz. The transducer drive stage is an internal H-bridge that can be configured to drive transducer in direct-drive mode to achieve maximum voltage across the transducer or can be configured as a pre-driver for external FETs, enabling higher current and voltage drive for larger transducers. The drivers can be either controlled directly via MCU for complete customization of the burst signal or can be programmed via SPI with customizable burst length. The receive signal path includes a low-noise linear amplifier, a bandpass filter followed by a logarithmic gain amplifier for input dependent amplification. This allows for high sensitivity for weak signals and offers excellent input dynamic range over a full signal range. The associated TUSS Generation III EVM GUI can be used to customize, configure, and control the ultrasonic setup, and monitor the performance of the resulting ultrasonic activity. Texas Instruments BOOSTXL-TUSS4470 includes one H-bridge driven closed-top transducer.
Texas Instruments BOOSTXL-TUSS4470 Ultrasonic Transducer Evaluation Module (EVM) enables users to fully evaluate the TUSS4470 ultrasonic sensor signal conditioner and H-bridge driver. Transducer compatibility is expanded to open- or closed-top transducers operating between 30 to 1000kHz. The transducer drive stage is an internal H-bridge that can be configured to drive transducer in direct-drive mode to achieve maximum voltage across the transducer or can be configured as a pre-driver for external FETs, enabling higher current and voltage drive for larger transducers. The drivers can be either controlled directly via MCU for complete customization of the burst signal or can be programmed via SPI with customizable burst length. The receive signal path includes a low-noise linear amplifier, a bandpass filter followed by a logarithmic gain amplifier for input dependent amplification. This allows for high sensitivity for weak signals and offers excellent input dynamic range over a full signal range. The associated TUSS Generation III EVM GUI can be used to customize, configure, and control the ultrasonic setup, and monitor the performance of the resulting ultrasonic activity. Texas Instruments BOOSTXL-TUSS4470 includes one H-bridge driven closed-top transducer.
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