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TI's new current sense monitors provide high-accuracy

Posted: 13 Apr 2005 ?? ?Print Version ?Bookmark and Share

Keywords:texas instruments? ti? current sense monitor? burr-brown? ina19x?

Texas Instruments Inc. (TI) announced a family of voltage-output, high-side current sense monitors from its Burr-Brown product line. Featuring wide common-mode input range of -16V to 80V, the INA19x provides a high-accuracy solution for current measurement applications in automotive, motor control, power management and battery charging. Additional applications include telecommunications, notebook computers, welding equipment, and test and measurement.

According to TI, the INA19x solves the very common and often challenging problem of measuring high-side current, especially when common-mode dynamics include (or go more negative than) ground. Common-mode voltage range for the INA19x is independent of the supply voltage. Single supply voltage range is from 2.7V to 18V. The device features high accuracy (3 percent maximum error over temperature), wide bandwidth (400kHz), low quiescent current (700?A maximum per channel) and specification over a -40C to 125C temperature range. In addition, three output voltage transfer functions (20V/V, 50V/V and 100V/V) are offered in this product family.

Housed in SOT23 packages, members of the INA19x family have a suggested resale price starting from 80 cents in 1,000 piece quantities.

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