Low power modem "DAC8740H" for industrial process control and industrial automation.
Low power modems for industrial process control and industrial automation. In HART mode, it integrates all the circuits necessary to operate as a half-duplex HART physical layer modem, minimizing the number of external components for filtering in either slave or master configuration. In FOUNDATION Fieldbus mode, it integrates all the circuits necessary to operate as a half-duplex FOUNDATION Fieldbus compatible H1 controller or Medium Attachment Unit (MAU). HART, FOUNDATION Fieldbus, and PROFIBUS PA data streams can be transmitted from the microcontroller through an accessible built-in FIFO via a UART interface or SPI interface. The SPI interface includes SDO pins for daisy-chain support, various interrupt functions, and other extended features. Evaluation modules and reference designs are also available.
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basic information
■ HART-compatible physical layer modem * 1200/2200Hz HART FSK sine wave * Built-in RX demodulator and bandpass filter minimize the number of external components ■ FOUNDATION Fieldbus-compatible H1 controller and Medium Attachment Unit (MAU) * 31.25kbps communication based on Manchester coded bus power (MBP) * Built-in Manchester encoder/decoder * PROFIBUS PA compatible ■ Low quiescent current: up to 180uA (typical industrial operating temperature range of -40°C to +85°C) ■ Built-in 1.5V reference ■ Flexible clocking options * Built-in oscillator * External crystal oscillator * External CMOS clock ■ Digital interface: UART ■ Wide operating temperature range: -55°C to +125°C ■ Package options include 4mm square QFN and 5mm square TQFP
Price information
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Applications/Examples of results
Industrial process control/automation, programmable logic controller (PLC) modules, DCS I/O modules, field/sensor transmitters, etc.
Company information
Texas Instruments (Headquarters: Dallas, Texas, USA; Chairman, President, and CEO: Rich Templeton; Abbreviation: TI) supports customers in developing new electronic devices that make the world "more convenient, healthier, safer, environmentally friendly, and enjoyable," and works together to solve challenges. TI has manufacturing, design, and sales locations in over 30 countries worldwide and continues to pursue innovation. TI's analog ICs and embedded processing support everyday life from behind the scenes in a society overflowing with digital devices. The company is actively investing in products and technologies for markets that will become increasingly important in the future, such as the environment, energy, healthcare, medical devices, and security. Technical Inquiry Contact TI Japan Product Information Center 【http://www.tij.co.jp/pic/】
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