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INA211CIRSWT Datasheet(PDF) 1 Page - Texas Instruments |
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INA211CIRSWT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 44 page INA21x V+ OUT GND IN- IN+ C BYPASS 0.01 F m to 0.1 F m 2.7 V to 26 V REF Reference Voltage Supply Load R SHUNT Output R 1 R 3 R 2 R 4 PRODUCT R and R 3 4 INA210 INA211 INA212 INA213 INA214 5 kW 2 kW 1 kW 20 kW 10 kW R and R 1 2 1 MW 1 MW 1 MW 1 MW 1 MW GAIN 200 500 1000 50 100 SC70 INA215 13.3 kW 1 MW 75 V = (I R ) Gain + V ´ OUT LOAD SHUNT REF Copyright © 2017, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. INA210, INA211, INA212, INA213, INA214, INA215 SBOS437J – MAY 2008 – REVISED FEBRUARY 2017 INA21x Voltage Output, Low- or High-Side Measurement, Bidirectional, Zero-Drift Series, Current-Shunt Monitors 1 1 Features 1 • Wide Common-Mode Range: –0.3 V to 26 V • Offset Voltage: ±35 μV (Maximum, INA210) (Enables Shunt Drops of 10-mV Full-Scale) • Accuracy: – Gain Error (Maximum Over Temperature): – ±0.5% (Version C) – ±1% (Versions A and B) – 0.5-µV/°C Offset Drift (Maximum) – 10-ppm/°C Gain Drift (Maximum) • Choice of Gains: – INA210: 200 V/V – INA211: 500 V/V – INA212: 1000 V/V – INA213: 50 V/V – INA214: 100 V/V – INA215: 75 V/V • Quiescent Current: 100 μA (Maximum) • SC70 and Thin UQFN Packages: All Models 2 Applications • Notebook Computers • Cell Phones • Telecom Equipment • Power Management • Battery Chargers 3 Description The INA21x are voltage-output, current-shunt monitors (also called current-sense amplifiers) that are commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This series of devices can sense drops across shunts at common-mode voltages from –0.3 V to 26 V, independent of the supply voltage. Six fixed gains are available: 50 V/V, 75 V/V, 100 V/V, 200 V/V, 500 V/V, or 1000 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale. These devices operate from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All versions are specified over the extended operating temperature range (–40°C to +125°C), and offered in SC70 and UQFN packages. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) INA21x SC70 (6) 2.00 mm × 1.25 mm UQFN (10) 1.80 mm × 1.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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