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INA199B2DCKT Datasheet(PDF) 1 Page - Texas Instruments |
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INA199B2DCKT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page V+ OUT GND IN- IN+ C BYPASS 0.01 F m to 0.1 F m +2.7V to +26V REF Reference Voltage Supply Load R SHUNT Output R 1 R 3 R 2 R 4 SC70 Package QFN Package INA199A1, INA199B1 INA199A2, INA199B2 INA199A3, INA199B3 www.ti.com SBOS469D – MAY 2009 – REVISED NOVEMBER 2012 Voltage Output, High or Low Side Measurement, Bi-Directional Zerø-Drift Series CURRENT SHUNT MONITOR Check for Samples: INA199A1, INA199B1, INA199A2, INA199B2, INA199A3, INA199B3 1 FEATURES DESCRIPTION The INA199 series of voltage output current shunt 2 • WIDE COMMON-MODE RANGE: –0.3V to 26V monitors can sense drops across shunts at common- • OFFSET VOLTAGE: ±150 μV (Max) mode voltages from –0.3V to 26V, independent of the (Enables shunt drops of 10mV full-scale) supply voltage. Three fixed gains are available: • ACCURACY 50V/V, 100V/V, and 200V/V. The low offset of the Zerø-Drift architecture enables current sensing with – ±1.5% Gain Error (Max over temperature) maximum drops across the shunt as low as 10mV – 0.5 μV/°C Offset Drift (Max) full-scale. – 10ppm/°C Gain Drift (Max) These devices operate from a single +2.7V to +26V • CHOICE OF GAINS: power supply, drawing a maximum of 100 μA of – INA199A1/B1: 50V/V supply current. All versions are specified from –40°C to +105°C, and offered in both SC70 and thin QFN- – INA199A2/B2: 100V/V 10 packages. – INA199A3/B3: 200V/V • QUIESCENT CURRENT: 100 μA (max) PRODUCT FAMILY TABLE • PACKAGES: SC70, THIN QFN-10 PRODUCT GAIN R3 AND R4 R1 AND R2 INA199A1/B1 50 20k Ω 1M Ω APPLICATIONS INA199A2/B2 100 10k Ω 1M Ω INA199A3/B3 200 5k Ω 1M Ω • NOTEBOOK COMPUTERS • CELL PHONES • TELECOM EQUIPMENT • POWER MANAGEMENT • BATTERY CHARGERS • WELDING EQUIPMENT 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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