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INA333AIDRGR Datasheet(PDF) 1 Page - Texas Instruments |
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INA333AIDRGR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page 50kW 150kW 150kW A 1 A 3 V OUT V IN- 6 REF 5 RFIFilteredInputs 2 V+ 7 V- 4 1 8 150kW 150kW 50kW A 2 V IN+ RFIFilteredInputs 3 INA333 R G G=1+ 100kW R G RFIFilteredInputs RFIFilteredInputs Product Folder Sample & Buy Technical Documents Tools & Software Support & Community INA333 SBOS445C – JULY 2008 – REVISED DECEMBER 2015 INA333 Micro-Power (50 μA), Zerø-Drift, Rail-to-Rail Out Instrumentation Amplifier 1 Features 3 Description The INA333 device is a low-power, precision 1 • Low Offset Voltage: 25 μV (Maximum), G ≥ 100 instrumentation amplifier offering excellent accuracy. • Low Drift: 0.1 μV/°C, G ≥ 100 The versatile 3-operational amplifier design, small • Low Noise: 50 nV/ √Hz, G ≥ 100 size, and low power make it ideal for a wide range of portable applications. • High CMRR: 100 dB (Minimum), G ≥ 10 • Low Input Bias Current: 200 pA (Maximum) A single external resistor sets any gain from 1 to 1000. The INA333 is designed to use an industry- • Supply Range: 1.8 V to 5.5 V standard gain equation: G = 1 + (100 k Ω / RG). • Input Voltage: (V–) +0.1 V to (V+) –0.1 V The INA333 device provides very low offset voltage • Output Range: (V–) +0.05 V to (V+) –0.05 V (25 μV, G ≥ 100), excellent offset voltage drift • Low Quiescent Current: 50 μA (0.1 μV/°C, G ≥ 100), and high common-mode • Operating Temperature: –40°C to +125°C rejection (100 dB at G ≥ 10). It operates with power supplies as low as 1.8 V (±0.9 V) and quiescent • RFI Filtered Inputs current is only 50 μA, making it ideal for battery- • 8-Pin VSSOP and 8-Pin WSON Packages operated systems. Using autocalibration techniques to ensure excellent precision over the extended 2 Applications industrial temperature range, the INA333 device also offers exceptionally low noise density (50 nV/ √Hz) • Bridge Amplifiers that extends down to DC. • ECG Amplifiers The INA333 device is available in both 8-pin VSSOP • Pressure Sensors and WSON surface-mount packages and is specified • Medical Instrumentation over the TA = –40°C to +125°C temperature range. • Portable Instrumentation • Weigh Scales Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) • Thermocouple Amplifiers VSSOP (8) 3.00 mm × 3.00 mm • RTD Sensor Amplifiers INA333 WSON (8) 3.00 mm × 3.00 mm • Data Acquisition (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic 1 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. |
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