The transducer drive stage consists of low-side complementary drivers that can be configured to drive an ultrasonic transducer through a step-up transformer.The device delivers constant current to the primary side of the transformer.
Ultrasonic Transducer Amplifier 405 Drivers That CanThe receive signal path includes a low-noise linear amplifier, a bandpass filter, followed by a logarithmic gain amplifier for input dependent amplification. The drivers can be controlled directly through the microcontroller for complete customization of the burst signal, or can be programmed through SPI with a customizable burst length. The TUSS4440 can support a single transducer to send and receive burst signals, or can set up two transducers to split the send and receive functions. Ultrasonic Transducer Amplifier 405 Download TUSS4440 TransformerHardware development EVALUATION BOARDS Download TUSS4440 transformer driven ultrasonic transducer with LDO evaluation module BOOSTXL-TUSS4440 document-generic User guide View options Description The TUSS4440 EVM is a collective of the BOOSTXL-TUSS4440 and MSP-EXP430F5529LP, which enables users to fully evaluate the TUSS4440 ultrasonic sensor signal conditioner and transformer driver. Transducer compatibility is expanded to open- or closed-top transducers operating between 30 to 500 kHz. The (.) Features Compatible with ultrasonic transducers operating at frequencies between 30 to 500 kHz. Able to generate maximum sound pressure level using a transformer driver. Compatible with microcontrollers operating at 3.3 or 5 V for SPI communication. Modular receive path filter value selector to support entire (.) View details Software development SUPPORT SOFTWARE Download TUSS Generation III EVM GUI (Rev. C) SLDC021C.ZIP (31021 KB) Download View details SUPPORT SOFTWARE Download TUSS44x0 Energia Library and Code Example SLDC023.ZIP (57 KB) Download View details Design tools simulation GERBER FILES Download PGA460 Transducer Transformer Listing SLAC787.ZIP (21 KB) Download View details GERBER FILES Download Transformer-Drive Ultrasonic Proximity Sensing Module Design Files (TUSS4440PSM) SLDC024.ZIP (4505 KB) Download View details CADCAE symbols Package Pins Download QFN (RTJ) 20 View options Ordering quality Support training TI E2E forums with technical support from TI engineers View all topics Content is provided as is by TI and community contributors and does not constitute TI specifications. See terms of use. If you have questions about quality, packaging or ordering TI products, see TI support. Training series View all TI training and videos Videos Related videos.
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