Italian Semiconductor Releases High Integration Ultrasonic Emitter

Yifa Semiconductor has launched a 64 channel ultrasonic transmitter with new functions, which improves the image quality and convenience of portable high-performance industrial diagnostic and testing instruments.

Today's portable scanners are almost as large as intelligent scanners, but their image quality is comparable to the expensive large high-end image scanning systems of many years ago. The Italian semiconductor STHVUP64 ultrasonic transmitter drives the piezoelectric transmitter (sensor) of the detection instrument, improving image flexibility, enhancing innovative beam CNC technology, saving circuit board space, and promoting the lightweight development trend of industrial diagnostic and therapeutic detection instruments.

STHVUP64 is a 64 channel ultrasonic transmitter that provides a highly integrated solution for the development of portable wireless scanners. STHVUP64 can directly drive up to 256 probe components, eliminating the expensive high-voltage switch tubes often needed between transmitters and probes, allowing designers to reduce the cost of material lists and utilize scanners to save space to develop more features.

In addition to the common 3V level export, STHVUP64 also introduces a new 5V level export to make the improvement of image quality more flexible. The driving current of STHVUP64 reaches ± 400ma, which can drive high-speed sensors and complete various imaging methods. A high driving current helps to achieve a pulse duration of at least 5ns, enhance sensor control accuracy, and maximize image details. Continuous wave is suitable for both transmitter (CW) and pulse wave (PW) modes, including internal cavity and liquid flow, facilitating various types of detection and analysis.

In addition, beam CNC technology can enhance traditional beam angle operation simulation control systems, with higher accuracy than application delay power supply. By integrating logic circuits onto a chip, the transmitter does not need to support controller chips, such as beam control FPGA, thereby saving PCB circuit board area, reducing wiring complexity, and avoiding FPGA design issues.

The new transmitter also has an auto bias controller architecture, which eliminates the need to apply an off chip power decoupling capacitor, helping to reduce the area of the circuit board and the bill of materials (BOM) cost. In addition, the new product packaging is smaller than similar products, providing designers with more flexibility in developing smaller next-generation products.

Low power consumption is crucial for battery powered systems. STHVUP64 not only has low power consumption, but also has rich functions, which can bring a good user experience. The on-chip memory can store the transmission mode, and the 200MHz clock signal can synchronously transmit data, minimizing transmission vibration and improving image quality. The chip communication port also supports multiple CMOS signal specifications recommended for the maximum system clock signal frequency today.

The internal protection functions of the chip include noise barrier, overheat protection, undervoltage, and circulating current maintenance. There is also a diagnostic memory that can directly read the cause of the interruption to ensure adjustments are made when a fault occurs.

The ultrasonic transmitter adopts the market validated Italian semiconductor BCD8s SOI production technology to support the integration of analog (bipolar transistor), data (CMOS), and power supply (DMOS) circuits on the same chip. The new product has been put into production and is packaged in 10mm x 10mm x 1.4mm196 solder ball FC-BGA196.

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