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Industry's First Digital Current Sensor And Voltage Monitor With Simultaneous Sampling

Stocks in this article: TXN









DALLAS, Oct. 9, 2013 /PRNewswire/ -- Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry's first digital current sensor and voltage monitor with simultaneous sampling and SPI interface. The LMP92064 integrates a precision current sense amplifier and two 12-bit analog-to-digital converter (ADC) channels that simultaneously capture voltage and current data, while the SPI interface transfers real-time data at up to 20 MHz. This enables the device to provide the highest precision power calculations of any device on the market today. The LMP92064 is used in applications where precise power monitoring is crucial, such as communications infrastructure applications, including telecom, servers and central office equipment. To learn more, visit wwwi.ti.com/lmp92064.

(Photo:  http://photos.prnewswire.com/prnh/20131009/DA94729)

Key features and benefits of the LMP92064:

  • Industry-leading accuracy:  The combination of simultaneous sampling, maximum input offset voltage of +/-15 uV, and maximum gain error of less than +/-0.75 percent delivers unparalleled accuracy compared to the competition.
  • Fastest conversion rate: The 125-ksps conversion rate is 19 times faster than the competition, which allows designers to measure power fluctuations more accurately.
  • Higher bandwidth: Designers can communicate with the device using a four-wire SPI interface at speeds up to 20 MHz, which is six times faster than the nearest competitor's I2C interface.
  • Easy isolation barrier interface: The unidirectional input and output lines enable easy interfacing to isolation devices, such as the ISO7141CC quad-channel digital isolator.




Packaging, availability and pricingThe LMP92064 is available now in a 16-pin, 5-mm x 4-mm WSON package for a suggested retail price of US$1.99 in 1,000-unit quantities.

Tools and supportThe LMP92064 evaluation module (EVM) quickly demonstrates the functionality of the current shunt monitor. The EVM includes a USB interface and software to configure and monitor the performance of the device.

A SPICE model is also available for designing, testing, and troubleshooting a broad variety of basic and advanced circuits, including complex architectures, without any node or number of device limitations.

The LMP92064 joins TI's portfolio of current sense amplifiers for high-side or low-side applications, supporting common mode voltages as high as +80V and as low as -22V. 

Support is available on the Current Shunt Monitors forum in the TI E2E™ Community, where engineers can ask questions and get answers from TI experts.

Learn more about TI's current sensing portfolio by visiting the links below:

About Texas InstrumentsTexas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors.  By employing the world's brightest minds, TI creates innovations that shape the future of technology.  TI is helping more than 100,000 customers transform the future, today.  Learn more at www.ti.com.

TrademarksE2E is a trademark of Texas Instruments. All other trademarks and registered trademarks belong to their respective owners.

SOURCE Texas Instruments

Copyright 2011 PR Newswire. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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