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OPA191IDBVT Datasheet(PDF) 1 Page - Texas Instruments |
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OPA191IDBVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 49 page ADS8864 REF VIN P VIN M 4:2 HV MUX + + + Antialiasing Filter Gain Gain Gain High-Voltage Level Translation VCM High-Voltage Multiplexed Input Reference Driver REF3140 RC Filter OPA625 RC Filter Analog Inputs Bridge Sensor Thermocouple Current Sensing Optical Sensor OPA191 OPA191 OPA191 Product Folder Sample & Buy 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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. OPA191, OPA2191, OPA4191 SBOS701A – DECEMEBER 2015 – REVISED APRIL 2016 OPAx191 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp 1 1 Features 1 • Low Offset Voltage: ±5 µV • Low Offset Voltage Drift: ±0.1 µV/°C • Low Noise: 15 nV/ √Hz at 1 kHz • High Common-Mode Rejection: 140 dB • Low Bias Current: ±5 pA • Rail-to-Rail Input and Output • Wide Bandwidth: 2.5-MHz GBW • High Slew Rate: 5 V/µs • Low Quiescent Current: 140 µA per Amplifier • Wide Supply: ±2.25 V to ±18 V, 4.5 V to 36 V • EMI/RFI Filtered Inputs • Differential Input Voltage Range to Supply Rail • High Capacitive Load Drive Capability: 1 nF • Industry Standard Packages: – Single in SOIC-8, SOT-5, and VSSOP-8 – Dual in SOIC-8 and VSSOP-8 – Quad in SOIC-14 and TSSOP-14 2 Applications • Multiplexed Data-Acquisition Systems • Test and Measurement Equipment • High-Resolution ADC Driver Amplifiers • SAR ADC Reference Buffers • Programmable Logic Controllers • High-Side and Low-Side Current Sensing • High Precision Comparator 3 Description The OPAx191 family (OPA191, OPA2191, and OPA4191) is a new generation of 36-V, e-trim operational amplifiers. These devices offer outstanding dc precision and ac performance, including rail-to-rail input/output, low offset voltage (±5 µV, typ), low offset drift (±0.2 µV/°C, typ), and 2-MHz bandwidth. Unique features, such as differential input-voltage range to the supply rail, high output current (±65 mA), high capacitive load drive of up to 1 nF, and high slew rate (5 V/µs), make the OPAx191 a robust, high- performance operational amplifier for high-voltage industrial applications. The OPAx191 family of op amps is available in standard packages and is specified from –40°C to +125°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) OPA191 SOIC (8) 4.90 mm × 3.90 mm SOT (5) 2.90 mm × 1.60 mm VSSOP (8) 3.00 mm × 3.00 mm OPA2191 SOIC (8) 4.90 mm × 3.90 mm VSSOP (8) 3.00 mm × 3.00 mm OPA4191 SOIC (14) 8.65 mm x 3.90 mm TSSOP (14) 5.00 mm x 4.40 mm (1) For all available packages, see the package option addendum at the end of the data sheet. OPA191 in a High-Voltage, Multiplexed, Data-Acquisition System |
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