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OPA992 Datasheet(PDF) 1 Page - Texas Instruments |
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OPA992 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 70 page  OPAx992 40-V Rail-to-Rail Input/Output, Low Offset Voltage, Low Noise Op Amp 1 Features • Low offset voltage: ±210 µV • Low offset voltage drift: ±0.25 µV/°C • Low noise: 7 nV/√Hz at 1 kHz, 4.4 nV/√Hz broadband • High common-mode rejection: 115 dB • Low bias current: ±10 pA • Rail-to-rail input and output • MUX-friendly/comparator inputs – Amplifier operates with differential inputs up to supply rail – Amplifier can be used in open-loop or as comparator • Wide bandwidth: 10.6-MHz GBW, unity-gain stable • High slew rate: 32 V/µs • Low quiescent current: 2.4 mA per amplifier • Wide supply: ±1.35 V to ±20 V, 2.7 V to 40 V • Robust EMIRR performance 2 Applications • Multiplexed data-acquisition systems • Test and measurement equipment • Motor drive: power stage and control modules • Power delivery: UPS, server, and merchant network power • ADC driver and reference buffer amplifier • Programmable logic controllers • Analog input and output modules • High-side and low-side current sensing • High precision comparator 3 Description The OPAx992 family (OPA992, OPA2992, and OPA4992) is a family of high voltage (40 V) general purpose operational amplifiers. These devices offer excellent DC precision and AC performance, including rail-to-rail input/output, low offset (±210 µV, typ), low offset drift (±0.25 µV/°C, typ) and low noise (7 nV/√Hz at 1 kHz, 4.4 nV/√Hz at 10 kHz). Features such as differential and common-mode input voltage ranges to the supply rails, high short-circuit current (±65 mA), and high slew rate (32 V/µs) make the OPAx992 a flexible, robust, and high-performance op amp for high-voltage industrial applications. The OPAx992 family of op amps is available in micro- size packages (such as WSON), as well as standard packages (such as SOT-23, SOIC, and TSSOP), and is specified from –40°C to 125°C. Device Information PART NUMBER(1) PACKAGE BODY SIZE (NOM) OPA992 SOT-23 (5) 2.90 mm × 1.60 mm SOT-23 (6) 2.90 mm × 1.60 mm SC70 (5) 2.00 mm × 1.25 mm OPA2992 SOIC (8) 4.90 mm × 3.90 mm SOT-23 (8) 2.90 mm × 1.60 mm TSSOP (8) 3.00 mm × 4.40 mm VSSOP (8) 3.00 mm × 3.00 mm WSON (8) 2.00 mm × 2.00 mm X2QFN (10)(2) 1.50 mm × 2.00 mm OPA4992 SOIC (14) 8.65 mm × 3.90 mm TSSOP (14) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) This package is preview only. System Load + – + GND + System Load + – + + GND + GND Vbus Vbus GND Vshunt Rshunt Rshunt Vo Vo Iload Iload + MCU MCU GND GND OPAx992 OPAx992 Low-Side Current Sense High-Side Current Sense Vshunt - - - - - - OPAx992 in Current-Sensing Applications OPA992, OPA2992, OPA4992 SBOSA10D – JUNE 2021 – REVISED AUGUST 2022 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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