CIs Amplificadores
Produtos (793)
OPA2107AU/2K5 - Precision Dual Difet Op Amp 4.5MHz SOIC-8 | TI
The Texas Instruments OPA2107AU/2K5 is a precision dual Difet (dielectrically isolated FET) operational amplifier delivering 4.5 MHz gain bandwidth, 1 mV maximum offset voltage, and 10 pA maximum input bias current in an 8-pin SOIC (D) package. It operates from supplies up to 30 V total (typically +/-15 V) across a -25C to +85C temperature range. An operational amplifier is a high-gain voltage amplifier with differential inputs and a single-ended output that forms the core building block of analog signal chains. Within the amplifier hierarchy, the OPA2107 belongs to the precision JFET-input (Difet) family: precision op amps trade some speed for ultra-low offset, low drift, and low bias current, positioning them above general-purpose amplifiers for measurement-grade signal conditioning but below high-speed amplifiers for video or RF applications. Key features include very low noise at 10 kHz, a maximum offset voltage of 1 mV with maximum drift of 10 uV/C, and a maximum input bias current of 10 pA enabled by the Difet junction-isolation process. The dual-channel integration matches two matched amplifiers on one die, improving thermal tracking between channels. Fast settling to 0.01% and unity-gain stability allow use in active filters and DAC buffers without external compensation. The Difet dielectric isolation technology keeps bias current low across the full temperature range, unlike standard JFET parts whose bias doubles roughly every 10C. This preserves high-impedance sensor accuracy in warm environments. Typical applications from the manufacturer datasheet include data acquisition front ends, DAC output amplifiers, optoelectronic receivers, and high-impedance sensor interfaces such as photodiode and pH probe amplifiers. Design consideration: note this part is in the process of being discontinued per TI, so new designs should qualify a replacement early. The /2K5 suffix denotes tape-and-reel packaging of the standard OPA2107AU die. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet, with availability verified as of 2026-09-13.
OPA2107BM - Dual Precision Difet Op Amp, 4.5MHz | TI
The Texas Instruments OPA2107BM is a precision dual Difet operational amplifier offering 4.5 MHz bandwidth, operation up to a 36V total supply (±18V), and a maximum input offset voltage of 1000 uV, housed in an 8-pin TO-99 hermetic metal can package (MBCY8). Originally introduced by Burr-Brown, this part combines precision Difet (dielectrically isolated JFET) performance with the cost and space savings of a dual op amp. An operational amplifier is a high-gain DC-coupled voltage amplifier that, with external feedback networks, forms the fundamental building block of analog signal chains; the op amp sits within the amplifier IC hierarchy of analog integrated circuits and power/analog signal conditioning devices. FET-input amplifiers like the OPA2107 provide extremely low input bias currents compared to bipolar-input predecessors, which is essential when amplifying signals from high-impedance sources. Key features include precision Difet input technology delivering very low input bias current, low input offset voltage drift over temperature, a 4.5 MHz gain-bandwidth suitable for precision audio and instrumentation signals, and the hermetic TO-99 metal can, which offers superior thermal and environmental stability versus plastic packages - a major reason this package remains specified in avionics and military systems. Architecturally, the OPA2107 uses a Difet (dielectrically isolated JFET) process, an advancement over the BIFET process that reduces input bias current and offset drift while preserving slew rate and bandwidth. TI positions it as a drop-in performance upgrade for legacy BIFET-type amplifiers in existing sockets. Typical applications include precision instrumentation front ends, active filter stages in professional audio equipment, integrators and sample-hold circuits, and photodiode or high-impedance sensor preamplifiers where low bias current directly determines measurement accuracy. A key design consideration is that the metal-can package does not dissipate heat as effectively as modern surface-mount packages, so total power dissipation should be checked at high supply voltages. Output drive should also be kept within datasheet limits for stability with capacitive loads. This page synthesizes cross-reference data, drop-in alternative analysis, and practical design guidance not found in the manufacturer datasheet.
OPA211ID - 1.1nV/Hz Precision Op Amp 80MHz SOIC-8 | TI
The Texas Instruments OPA211ID is a precision operational amplifier delivering an ultra-low voltage noise density of 1.1 nV/√Hz while consuming only 3.6 mA of quiescent supply current. The single-channel amplifier comes in an 8-pin SOIC package and is fully specified from -40C to +125C. It is unity-gain stable with a rail-to-rail output stage. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, a fundamental building block of analog signal chains. Precision op amps such as the OPA211 sit within the amplifier hierarchy: amplifier > operational amplifier > precision op amp, characterized by low offset, low noise, and high open-loop gain. They are essential in instrumentation, medical equipment, and test systems where signal accuracy is critical. Key features include the 1.1 nV/√Hz input-referred noise density - among the lowest available for a precision op amp - plus a gain-bandwidth product of 80 MHz and 20 V/µs slew rate for high-speed signals. The rail-to-rail output maximizes dynamic range in low-supply designs. DC accuracy is strong with 50 µV typical offset voltage and 60 nA input bias current, and total harmonic distortion plus noise is a very low 0.000015%. Technically, the OPA211 uses a bipolar input stage with laser trimming to minimize offset and drift. The class-AB output stage provides low distortion and solid capacitive-drive capability. Single (OPA211) and dual (OPA2211) versions exist, with shutdown options on single-channel family members, packaged in SON-8 (3x3 mm), VSSOP-8, and SOIC-8. Typical applications include low-noise audio preamplifiers, precision instrumentation front ends, active filters, and data-acquisition stages driving high-resolution ADCs such as the ADS1262. The 80 MHz bandwidth also suits photodiode transimpedance amplifiers and RF/IF signal chains. Design tip: place 0.1 µF ceramic decoupling capacitors close to the supply pins, and respect the input common-mode range to avoid phase reversal. For a second channel, the OPA2211 shares the same performance in one package. Prices as of 2026-08-30.
OPA2134UA/2K5 - Dual Audio Op-Amp 0.00008% THD | TI
The Texas Instruments OPA2134UA/2K5 is a dual SoundPlus high-performance audio operational amplifier in an 8-pin SOIC package, supplied in 2,500-unit tape-and-reel format. It combines ultra-low distortion (0.00008% THD), low noise (8 nV/rtHz), true FET input (5 pA bias current), 20 V/us slew rate, and 8 MHz gain-bandwidth, operating from +/-2.5 V to +/-18 V supplies. An audio operational amplifier is a precision linear amplifier optimized to pass audio-band signals with minimal added harmonic distortion, noise, and phase error. It sits in the analog signal chain between transducers, DACs, and loudspeakers, and is a specialized subclass of the general op amp: an audio op amp is a linear amplifier within the analog signal processing chain of consumer, professional, and automotive audio electronics. Key features include the 0.00008% total harmonic distortion figure that keeps the device transparent in the audible signal path, 8 nV/rtHz voltage noise for low hiss in high-gain stages, and 5 pA FET input bias current that prevents loading of high-impedance sources such as guitar pickups and passive EQ networks. The 8 MHz bandwidth and 20 V/us slew rate preserve full-power performance across the entire 20 Hz to 20 kHz audio band, and the wide +/-18 V supply range matches standard professional audio rails. Architecturally, the OPA2134 uses a true FET input stage with a high open-loop gain of 600 V/mV (per TI datasheet), delivering excellent DC precision alongside audio-grade AC performance. The dual-channel SOIC-8 configuration enables compact stereo designs without performance compromise, and the single (OPA134) and quad (OPA4134) family members share identical core specifications for BOM flexibility. Typical applications include audio DAC output buffering (I/V conversion), line drivers, active crossovers, microphone preamplifiers, and audio test instrumentation, where the OPA2134UA/2K5 is often the limiting factor in signal purity. Design tip: bypass each supply pin with a 0.1 uF ceramic capacitor placed close to the package, and maintain adequate input/output headroom since this is not a rail-to-rail op amp. Prices as of 2026-08-30.
OPA2134UA/2K5 - Dual Audio Op-Amp 0.00008% THD | TI
The Texas Instruments OPA2134UA/2K5 is a dual SoundPlus high-performance audio operational amplifier delivering 0.00008% total harmonic distortion, 8 nV per root-hertz input voltage noise, and a 20 V/us slew rate in an 8-pin SOIC package, supplied in 2,500-unit tape-and-reel format. An audio operational amplifier is a precision linear amplifier optimized to pass audio-band signals with minimal added harmonic distortion, noise, and phase error. It sits in the analog signal chain between transducers, DACs, and loudspeakers, and is a specialized subclass of the general op amp: an audio op amp is a linear amplifier within the analog signal processing chain of consumer, professional, and automotive audio electronics. Key features include the 0.00008% total harmonic distortion figure that keeps the device transparent in the audible signal path, 8 nV/rtHz voltage noise for low hiss in high-gain stages, and 5 pA FET input bias current that prevents loading of high-impedance sources such as guitar pickups and passive EQ networks. The 8 MHz gain-bandwidth product and 20 V/us slew rate preserve full-power performance across the entire 20 Hz to 20 kHz audio band, and the wide +/-2.5 V to +/-18 V supply range matches standard professional audio rails. Architecturally, the OPA2134 uses a true FET input stage with a high open-loop gain of 600 V/mV per the TI datasheet, delivering excellent DC precision alongside audio-grade AC performance. The dual-channel SOIC-8 configuration enables compact stereo designs without performance compromise, and the single (OPA134) and quad (OPA4134) family members share identical core specifications for BOM flexibility. Typical applications include audio DAC output buffering (I/V conversion), line drivers, active crossovers, and microphone preamplifiers, where the OPA2134UA/2K5 is often the limiting factor in signal purity. Design tip: bypass each supply pin with a 0.1 uF ceramic capacitor placed close to the package, and maintain adequate input/output headroom since this is not a rail-to-rail op amp. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
OPA2170AIDCUR - 36V Dual Op Amp, Rail-to-Rail Output, VSSOP-8 | Texas Instruments
The Texas Instruments OPA2170AIDCUR is a dual-channel, 36 V, single-supply, low-power operational amplifier in a VSSOP-8 (DCU) micro-package, featuring rail-to-rail output swing, 1.2 MHz gain-bandwidth product, and 0.4 V/us slew rate for general-purpose analog signal conditioning. Each channel delivers a low offset voltage and low offset drift while consuming only 110 uA per channel of quiescent current, making this op amp suitable for battery-powered and always-on sensor interfaces. An operational amplifier (op amp) is a high-gain DC-coupled electronic voltage amplifier with differential inputs and a single-ended output, forming the fundamental building block of analog signal chains. It belongs to the broader category of linear integrated circuits within power management and analog signal conditioning, and is used for amplification, filtering, level shifting, buffering, and comparator functions. The OPA2170AIDCUR is part of TI's OPAx170 value-line family, alongside the single-channel OPA170 and quad-channel OPA4170, all sharing identical specifications to simplify design reuse across channel densities. The OPAx170 architecture operates from a single 2.7 V to 36 V supply (or dual ±1.35 V to ±18 V), eliminating the need for negative rails in single-supply systems. Key differentiating features include 19 nV/√Hz input voltage noise density, RFI-filtered inputs to reject out-of-band RF interference, and an input common-mode range that extends to the negative supply rail, which is critical for ground-referenced single-supply sensing. The device also includes internal ESD protection on the inputs and outputs, simplifying board-level robustness. Combined, these features enable precision measurement in noisy industrial environments. Typical applications include transducer signal conditioning for bridge sensors, temperature sensor interfaces (thermocouples, RTDs, thermistors), active filtering for audio and instrumentation, low-side current sensing, and portable medical or test equipment. The 36 V supply tolerance also supports 24 V industrial bus interfaces and automotive load-dump-protected rails. When designing with this part, place a 0.1 uF decoupling capacitor as close as possible to the V+ pin, and use a low-ESR ceramic at the supply. For unity-gain buffer or low-gain stages, a 10 nF to 100 nF compensation capacitor between V+ and the output node may improve capacitive load drive. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found on the manufacturer datasheet cover page.
OPA2170AIDGK - 36V Dual Op Amp, RRO, 1.2MHz | Texas Instruments
The Texas Instruments OPA2170AIDGK is a dual-channel, 36V, single-supply, low-power operational amplifier (op amp) housed in an 8-pin MSOP/VSSOP package (DGK). It delivers a 1.2 MHz gain-bandwidth product, a 0.4 V/us slew rate, and a low 19 nV/sqrt(Hz) input-referred voltage noise density while drawing only 110 uA of quiescent current per channel. The device operates from 2.7V to 36V single supply (or +/-1.35V to +/-18V dual supply), making it well-suited to industrial 24V rails as well as 3.3V / 5V low-voltage analog signal chains. An operational amplifier (op amp) is a high-gain differential voltage amplifier that uses external feedback components to set closed-loop gain, bandwidth, and transfer function. Op amps are fundamental building blocks in analog signal conditioning: they amplify, buffer, filter, sum, and convert signals. Within the broader hierarchy, a dual low-power op amp like the OPA2170 sits below the "linear IC" family, adjacent to instrumentation amplifiers, comparators, and programmable gain amplifiers. The "value line" label from TI indicates it is positioned for cost-sensitive, high-volume designs without sacrificing key specs. Key features of the OPA2170 include 0.0035 uA input bias current (CMOS input stage), 120 dB CMRR, rail-to-rail output (RRO), an input common-mode range that includes the negative rail, and EMI/RFI filtered inputs to improve immunity in harsh electrical environments. The unity-gain-stable design requires no external compensation and supports capacitive loads up to 1 nF. Architecturally, the OPA2170 uses a CMOS input stage for high input impedance and low bias current, combined with a class AB output stage that achieves rail-to-rail swing on a single supply. This combination makes the part equally suitable for low-voltage sensor signal chains (where input bias current matters) and higher-voltage industrial loops (where supply tolerance matters). Typical applications include transducer signal conditioning, 4-20 mA loop drivers, low-side current sensing, active filters, audio signal buffering, general-purpose amplification in PLC analog input modules, and battery-powered instrumentation that needs wide supply tolerance. When designing in the OPA2170AIDGK, be mindful that although the inputs include the negative rail, the inputs do NOT include the positive rail - common-mode voltage must remain at least a few hundred mV below V+ for linear operation. Use the dual-channel part when two related signals (e.g., a differential sensor) need matched amplifier paths; switch to the quad-channel OPA4170 only when the PCB area savings of one IC outweigh the loss of channel-level routing flexibility. This page synthesizes distributor pricing, verified cross-reference alternatives in the same VSSOP-8 footprint, and practical design considerations not found in the manufacturer datasheet alone.
OPA2171AIDR - Dual 36V 3MHz Low-Power Op Amp | Texas Instruments
The Texas Instruments OPA2171AIDR is a dual-channel, 36V, 3MHz, low-power operational amplifier in an 8-pin SOIC package. The OPA2171AIDR is part of the OPAx171 family (single/dual/quad) and is designed for single-supply operation from 2.7V (±1.35V) to 36V (±18V). It features rail-to-rail output (RRO), low offset voltage, low drift, and low quiescent current, making it well-suited for cost-sensitive general-purpose analog signal conditioning. An operational amplifier (op amp) is a high-gain DC-coupled electronic voltage amplifier with differential inputs and a single-ended output. It is the fundamental building block of analog signal chains, used for amplification, filtering, comparison, buffering, and mathematical operations. The OPA2171 belongs to the lineage of low-power, general-purpose amplifiers, sitting between precision op amps (high accuracy, high power) and high-speed op amps (wide bandwidth, higher noise), optimized for applications requiring moderate bandwidth and low current draw. Key features of the OPA2171AIDR include 3MHz gain-bandwidth product, 1.5V/µs slew rate, low quiescent current, rail-to-rail output swing, and 36V maximum supply voltage. The 3MHz gain-bandwidth product enables stable operation in active filter circuits, sensor signal conditioning, and transducer amplification. The wide supply range supports industrial 24V bus systems, automotive 12V rails (post-protection), and battery-powered portable equipment operating down to 2.7V. The OPA2171 uses a CMOS input stage for low input bias current, paired with a rail-to-rail output stage that maximizes dynamic range on low-voltage supplies. Internal EMI/RFI filtering on the inputs improves robustness in harsh electrical environments. The dual op-amp configuration in the SOIC-8 package provides two independent amplifiers in a small footprint, enabling compact multi-channel designs. Typical applications include transducer amplification, sensor signal conditioning, industrial process control, battery-powered instrumentation, active filters, and voltage reference buffers. The wide input range allows direct interfacing with 24V industrial sensors, while the rail-to-rail output maximizes dynamic range on 3.3V or 5V ADC rails. When designing with this device, pay attention to input common-mode range, especially near the negative rail where CMOS input stages exhibit degraded behavior. Decouple supply pins with 0.1µF ceramic capacitors placed close to the IC. This page synthesizes distributor pricing, drop-in alternatives (including same-brand OPA2171AID and OPA4171 variants), and practical design notes not found in the manufacturer datasheet alone.
OPA2172 - 36V 10MHz Dual Rail-to-Rail Op Amp | Texas Instruments
The Texas Instruments OPA2172 is a dual, 36-V, 10-MHz, rail-to-rail output (RRO) operational amplifier in an 8-pin SOIC (D) package. It operates on supplies from +4.5 V (±2.25 V) to +36 V (±18 V), combining wide dynamic range with low power consumption of 1.6 mA per amplifier. An operational amplifier (op amp) is a high-gain differential voltage amplifier used as the building block of analog signal chains - a subcategory of amplifier ICs within the broader power-management and signal-conditioning hierarchy. The OPA2172 belongs to TI's OPAx172 family (OPA172 single, OPA2172 dual, OPA4172 quad), which is engineered for high-voltage, single-supply designs where the output must swing close to the rails. Key features include a gain-bandwidth product of 10 MHz, low input offset voltage of ±0.2 mV, and ultra-low offset drift of ±0.3 uV/degC, ensuring accuracy across the industrial temperature range. Input bias current is a low ±8 pA thanks to the JFET-input front end, and broadband noise is 7 nV/rtHz, making the part suitable for precision, low-noise signal conditioning. High slew rate supports fast settling in active filters and ADC drivers. Architecturally, the OPA2172 uses a precision input stage with rail-to-rail output stage that maintains low distortion even when driving loads near the supply rails. The 36-V tolerance provides headroom against industrial 24-V bus transients, and operation down to +4.5 V supports 5-V single-supply systems. Typical applications include 24-V industrial instrumentation front ends, active filter and data-acquisition signal conditioning ahead of ADCs such as the ADS131M08, sensor buffering, and output amplification in audio and synth-DIY circuits where it replaces noisier TL072-class devices. Design tip: keep total supply below 36 V, and for maximum output swing at low loads, ensure load impedance keeps output current within datasheet limits; bypass both supply pins with 100 nF ceramics placed close to the device.
OPA2172 - Dual 36V 10MHz Low-Noise Op Amp | Texas Instruments
The Texas Instruments OPA2172ID is a dual, 36-V, 10-MHz, low-power rail-to-rail output operational amplifier in an 8-SOIC package, part of the OPAx172 family that also includes the single OPA172 and quad OPA4172. It operates on supplies from +4.5 V to +36 V (or ±2.25 V to ±18 V), making it versatile for single-supply and dual-supply industrial systems. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, and is a fundamental building block of analog signal conditioning, filtering, and amplification. The OPA2172 sits in the hierarchy of amplifiers -> operational amplifiers -> precision, rail-to-rail output amplifiers, balancing bandwidth, noise, and power in one general-purpose part. Key specifications include ±0.2 mV offset voltage, ±0.3 uV/C offset drift, 10 MHz gain-bandwidth product, ±8 pA input bias current, 1.6 mA quiescent current per amplifier, and 7 nV/√Hz broadband noise. The rail-to-rail output stage maximizes dynamic range in low-voltage designs, while the wide supply range supports industrial 24 V buses directly. The CMOS input stage provides high input impedance and picoampere bias currents suitable for high-impedance sensors and photodiode circuits. The output stage swings to within millivolts of the rails at light load and is stable with substantial capacitive loads, simplifying buffer designs. Low quiescent current permits use in battery-powered and thermally constrained equipment. Typical applications include motor-control current sensing, solar inverters, power-supply feedback loops, active filters, and audio signal chains, where low noise and high slew rate preserve signal fidelity. The dual channel saves board space versus two singles. Design tip: decouple supply pins with 0.1 uF ceramics close to the device, keep feedback resistors low-valued for best noise, and verify output swing headroom under heavy load.
OPA2192IDGK - 36V Precision RRIO Op Amp Dual | TI
The Texas Instruments OPA2192IDGK is a dual-channel, 36-V precision operational amplifier with rail-to-rail input/output (RRIO), low offset voltage, and low input bias current, implemented in TI's e-trim chopper-stabilized architecture and packaged in an 8-pin MSOP (PowerPAD). It carries an automotive temperature grade and supports up to +/-18 V or 36 V single-supply operation from a 4.5 V to 36 V rail. Background: An operational amplifier (op amp) is a high-gain DC-coupled analog building block that uses external feedback to set gain, filter response, and signal conditioning behavior. The OPA2192IDGK belongs to the precision op-amp family, characterized by microvolt-level input offset voltage, picoampere-range input bias current, and low drift over temperature - a category that sits above general-purpose op amps and below zero-drift chopper amplifiers in the precision signal-chain hierarchy. Rail-to-rail input/output op amps accept and produce signals that swing to both supply rails, which maximizes dynamic range in low-voltage single-supply designs and is critical for driving successive-approximation ADCs without headroom loss. Key specifications include 5 pA typical input bias current, 25 uV maximum input offset voltage, 0.5 uV/degC typical offset drift, 10 MHz unity-gain bandwidth, and 20 V/us slew rate. The e-trim architecture provides 5 uV/degC offset drift without the chopping sidebands or large inrush currents of classic chopper amplifiers. EMI-hardened inputs reject RF interference from adjacent switching converters and motor drivers in industrial environments. The MSOP-8 package with PowerPAD delivers a thermal resistance of approximately 50 C/W, enabling dual-channel operation at full bandwidth without external heatsinking. Typical applications include precision weigh scales, sensor signal conditioning for thermocouples and strain gauges, battery management current sensing, and industrial analog input modules. Designers select the OPA2192IDGK for systems requiring sub-100 uV total DC accuracy across the full -40C to +125C automotive temperature range and tight PCB footprints where two precision channels must fit into a 3 mm x 3 mm outline. Designers should note the OPA2192IDGK is pin-compatible with the OPA2191 (lower precision), OPA2188 (zero-drift), and OPA2227 (lower precision), enabling drop-in upgrades. For optimal performance, bypass supplies with 0.1 uF ceramic capacitors placed within 5 mm of the V+ and V- pins. This page consolidates real-time distributor pricing, drop-in alternatives, and design notes beyond the manufacturer datasheet to accelerate part selection.
OPA2192IDGKR - 36V Precision RRIO Dual Op Amp | Texas Instruments
The Texas Instruments OPA2192IDGKR is a 36-V, precision, rail-to-rail input/output (RRIO), low-offset-voltage, low-input-bias-current operational amplifier with e-trim, delivered in an 8-pin VSSOP (DGK) package. Key headline parameters include 10-MHz unity-gain bandwidth, 20-V/µs slew rate, ±5-µV typical offset voltage, ±0.2-µV/°C typical offset drift, and 4.5-V to 36-V single-supply operation (or ±2.25-V to ±18-V dual). The e-trim calibration architecture trims input offset and offset drift at the wafer level, eliminating the need for external nulling components. An operational amplifier (op amp) is a high-gain DC-coupled analog circuit block that amplifies differential input voltages. The OPA2192 belongs to the precision amplifier sub-class, where DC accuracy (low offset, low drift) and rail-to-rail signal swing matter more than raw speed. It sits in the broader hierarchy of linear ICs -> amplifiers -> operational amplifiers -> precision RRIO op amps -> semiconductor, and competes with parts such as the ADA4522 and OPA2188. Its main role in a system is to condition small analog signals (sensor bridges, shunt currents, thermocouples) with minimal added error and to drive ADC reference or output stages up to the supply rails. Distinctive features include differential input-voltage range to the supply rail, high-output current drive with no phase reversal, low-input-bias current with e-trim, and integrated EMI/RFI rejection at 1 GHz. The OPA2192 also offers independent short-circuit protection on the outputs and a wide 4.5-V to 36-V supply headroom that lets a single device serve both 5-V analog rails and 24-V industrial transducers. Architecturally, the OPA2192 uses a bipolar input stage with chopper-free e-trim post-package calibration, preserving low noise while achieving 10-MHz GBW at 20 V/µs. The RRIO output stage swings within millivolts of either rail at moderate loads, eliminating headroom loss in low-voltage ADC interfaces and giving designers full dynamic range on 5-V or 12-V rails. Typical applications include precision analog input modules, 4-20 mA loop transmitters, multi-channel data acquisition front ends, test and measurement instruments, and active filtering in audio paths. Designers favor it where both 5-V digital-rail operation and 24-V industrial transducers must share one BOM line. When using the OPA2192, observe the maximum differential input-voltage limit and add an input-series resistor for true over-voltage protection; a 2-kΩ resistor on each input typically prevents fault-current damage during 36-V transients. This page also synthesizes distributor pricing, drop-in alternates, and practical design notes that the TI datasheet alone does not surface.
OPA2192IDGKT - 36V Precision RRIO Op Amp, 10MHz, Dual | Texas Instruments
The Texas Instruments OPA2192IDGKT is a dual-channel, 36-V, e-trim precision operational amplifier that delivers rail-to-rail input and output (RRIO) swing, 10 MHz unity-gain bandwidth, and 20 V/µs slew rate in an 8-pin VSSOP (DGK) package. According to the manufacturer datasheet, the OPA2192 family offers typical input offset voltage of ±5 µV, offset drift of ±0.2 µV/°C, and a 1 mA per-channel quiescent supply current while supporting output current up to 65 mA per channel for direct drive of low-impedance loads. A precision operational amplifier (op amp) is a high-gain DC-coupled analog building block used to amplify small differential signals in instrumentation, signal conditioning, and active-filter chains. The OPA2192 belongs to the e-trim chopper-stabilized family that achieves CMOS-class input bias current with bipolar-class DC accuracy, positioning it above general-purpose op amps in the precision amplifier hierarchy: precision op amp -> operational amplifier -> analog IC -> signal chain -> semiconductor. Key features include differential input range that extends to both supply rails, integrated EMI/RFI rejection input filtering, and 6 V to 36 V single-supply operation (or ±3 V to ±18 V dual-supply). The e-trim process eliminates the traditional chopper chopping artifacts, making the part suitable for DC-coupled precision paths where chopper noise would otherwise be unacceptable. Architecture-wise, the OPA2192 combines a CMOS input differential pair with TI's e-trim calibration to correct residual input-referred offset at the wafer level. This achieves laser-trim performance without active chopping, providing clean DC behavior at low frequencies while still supporting the 10 MHz GBW required by audio and wide-bandwidth transducer signal conditioning. Typical applications include industrial process-control analog front ends, precision analog-input modules for PLCs, multi-channel data-acquisition (DAQ) signal conditioning, precision active filters, and transducer excitation/readout such as bridge amplifiers and RTD conditioners. The wide supply range allows direct interface to ±15 V industrial rails as well as 24 V loop-powered systems. When designing with this device, ensure that the input common-mode voltage stays within the rail-to-rail range (which includes both rails). Decouple the supply pins with a 100 nF ceramic capacitor placed within 5 mm of the device, and consider a 10 µF bulk capacitor for high-output-current transients. The exposed thermal pad (if present on the package variant) must be soldered to a copper pour for rated thermal performance. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes that go beyond the manufacturer datasheet, helping engineers shorten selection time and avoid common layout pitfalls.
OPA2192IDR - 36V Precision RRIO Dual Op Amp e-Trim | TI
The Texas Instruments OPA2192IDR is a dual-channel, 36V precision operational amplifier with rail-to-rail input and output (RRIO), delivered in an 8-pin SOIC (D) package rated from -40C to +125C. It combines low offset voltage, low input bias current, and TI e-trim calibration technology for outstanding DC precision in a cost-effective general-purpose amplifier. A precision operational amplifier is a type of analog amplifier IC designed to amplify small differential signals with minimal error, positioned within the hierarchy of op amps > precision amplifiers > analog front-end ICs > linear ICs. Unlike general-purpose op amps, precision amplifiers minimize input offset voltage, bias current, and drift so sensor and measurement signal chains remain accurate without external trimming. Key features include operation from 4.5V to 36V single supply (or +/-2.25V to +/-18V dual supply), a 10MHz gain-bandwidth product, and a 20V/us slew rate - a rare combination of DC precision and AC performance. The e-trim architecture achieves very low offset voltage without system-level trimming, while rail-to-rail inputs allow the common-mode range to extend to both supplies and rail-to-rail output maximizes dynamic range on low-voltage rails. Architecturally, the OPA2192 uses an input stage that seamlessly transitions between two differential pairs to maintain rail-to-rail common-mode operation, with e-trim calibration performed at wafer test to null residual offset. The low input bias current suits high-impedance sources, and low total harmonic distortion supports precision AC signal chains. Typical applications include industrial data acquisition front ends, transimpedance and sensor signal conditioning, precision active filters, and single-supply battery-powered instrumentation. The wide 36V supply rating also allows direct connection to industrial 24V rails with simple headroom management. Design tip: reference the input common-mode near mid-supply to minimize crossover distortion inherent in dual-pair input stages, and verify AC behavior near the rails in high-precision designs.
OPA2206ADGKR - ±40V OVP Dual Precision Op Amp | Texas Instruments
The Texas Instruments OPA2206ADGKR is a dual-channel, input-overvoltage-protected (OVP) precision operational amplifier housed in an 8-pin VSSOP (DGK) package, with integrated input protection up to ±40 V beyond the supplies, an input offset voltage of 4 µV (typical) / 25 µV (maximum), an input offset voltage drift of ±0.08 µV/°C (typical), and an input bias current of ±5 pA (typical) via super-beta input transistors. An operational amplifier (op amp) is a DC-coupled high-gain electronic voltage amplifier with differential inputs and, typically, a single-ended output. Precision op amps form a distinct sub-category characterized by very low offset voltage, low offset drift, low bias current, and low noise, sitting hierarchically under amplifier ICs (integrated circuits) and analog signal-chain components. The OPA2206 is the dual-channel member of TI's OPAx206 family and represents the next-generation evolution of the long-standing OPAx277 series, retaining the OPAx277's low-noise, low-drift e-trim™ precision architecture while adding integrated ±40 V input OVP, eliminating the need for external input clamping in many industrial designs. Key features include 4 µV (typ) / 25 µV (max) offset voltage achieved via TI's proprietary e-trim™ trimming technology, ±0.08 µV/°C (typ) offset drift, ±5 pA (typ) input bias current enabled by super-beta input transistors, integrated ±40 V input OVP that survives ESD and transients beyond the rails, and a wide supply range of 4.5 V to 36 V (single supply) or ±2.25 V to ±18 V (dual supply). The device is specified over the −40 °C to +125 °C industrial temperature range. Architecturally, the OPA2206 uses a bipolar e-trim™ process with super-beta input stages, which decouple bias current from base current, dramatically reducing input bias current while preserving the low-noise and low-drift characteristics of a precision bipolar op amp. The e-trim™ trim step digitally calibrates each die's offset to <25 µV at room temperature and minimizes drift across temperature. Typical applications include industrial process-control analog input modules, precision sensor signal conditioning (load cells, strain gauges, thermocouple front-ends), test and measurement equipment, battery monitoring systems, and any high-voltage-tolerant precision front-end where input transients or wiring faults could otherwise destroy a conventional op amp. The wide supply and ±40 V OVP make it a strong fit for 24-V industrial-bus sensor interfaces. When designing with this device, place the input series resistors as close to the OPA2206 inputs as possible to maximize the effectiveness of the integrated OVP clamp structure and to limit fault current through the ESD diodes. The OPA2206 does not include rail-to-rail output; output swing is typically within ~1 V of each rail at 10 kΩ load. This page synthesizes distributor pricing, drop-in alternatives in the VSSOP-8 footprint, and practical design notes that are not found in the manufacturer datasheet alone.
OPA2237EA/2K5 - Dual 1.5MHz Op Amp, 750µV Offset | TI
The Texas Instruments OPA2237EA/2K5 is a dual-channel, single-supply operational amplifier from TI's MicroAmplifier™ Series, offering 1.5 MHz bandwidth and 0.5 V/µs slew rate in an 8-pin MSOP/VSSOP package. The device features a maximum offset voltage of 750 µV, a low quiescent current of 350 µA per channel maximum, and operates from a wide supply range of +2.7V to +36V single supply (±1.35V to ±18V dual supply). The tape-and-reel /2K5 suffix indicates a 2,500-unit reel packaging for high-volume SMT assembly. A dual operational amplifier (op amp) is a single integrated circuit that contains two independent op-amp cells sharing common power pins; it is a member of the broader linear IC hierarchy that includes op amps -> amplifiers -> signal conditioning ICs -> analog ICs -> semiconductors. The OPA2237's dual configuration saves PCB area versus two single op amps while keeping channel-to-channel matching tight for instrumentation paths. Key features include low input bias current (~20 nA), wide bandwidth suitable for active filters and audio preamplifiers, and MicroAmplifier-series miniaturization that targets space-limited portable designs. The 750 µV maximum offset makes the part accurate enough for sensor signal conditioning without external trimming, while the 350 µA quiescent current keeps battery drain modest. Architecturally, the OPA2237 uses a bipolar input stage optimized for low-offset single-supply operation, with internal compensation that stabilizes the part at unity gain. The wide supply range (±18V or +36V single-supply) lets one part cover both low-voltage battery and higher-voltage industrial signal chains. Typical applications include battery-powered instrumentation, PCMCIA cards, portable medical devices, transducer amplifiers, and general-purpose signal conditioning in industrial and consumer designs. The MSOP-8 footprint is footprint-compatible with the SOIC-8 OPA2237UA variant for layout reuse. When designing with this op amp, observe the input common-mode range that includes the negative rail (true single-supply operation) and use a low-impedance ground return to keep offset drift under temperature. Add an output resistor if driving capacitive loads above 1 nF to maintain phase margin. This page synthesizes verified distributor pricing, drop-in alternatives, comparison data, and engineering design notes not found in the manufacturer datasheet alone.
OPA2277UA - 10µV Dual Precision Op Amp | Texas Instruments
The Texas Instruments OPA2277UA is a dual-channel, high-precision, low-power operational amplifier supplied in an 8-pin SOIC (D-package) that replaces the legacy OP-177 with substantially better noise, wider output swing, twice the speed, and half the quiescent current. The OPA2277UA delivers an ultra-low input offset voltage of 10 µV (max), an ultra-low offset drift of ±0.1 µV/°C, an open-loop gain of 134 dB, common-mode rejection of 140 dB, and high power-supply rejection while drawing only 800 µA of quiescent current per channel. It is specified for ±2 V to ±18 V supplies, swings to within 1 V of each rail on a ±15 V supply, and operates across the -40°C to +125°C industrial temperature range. Background knowledge: A precision op-amp (operational amplifier) is a high-gain DC-coupled analog building block whose input offset voltage, offset drift, bias current, and noise are engineered to far tighter limits than those of a general-purpose op-amp. Within the signal-chain hierarchy, the OPA2277 sits in the "precision" tier between general-purpose amplifiers (e.g. OPA234) and zero-dr chopper-stabilized amplifiers (e.g. OPA2188), drawing meaningfully lower bias current than old bipolar parts (e.g. OP-27) while delivering lower voltage noise than early CMOS parts (e.g. TLC2277). It is functionally a "dual, improved OP-177" intended for bridge amplifiers, strain gauges, thermocouple conditioning, and precision active filters where µV-level DC accuracy must be preserved across -40°C to +125°C. Architecturally, the OPA2277 uses a bipolar transistor input stage with laser-trimmed thin-film resistors, a complementary bipolar output stage capable of driving 2 kΩ loads, and internal compensation that removes the need for an external compensation capacitor. The result is a stable unity-gain device that does not oscillate when used as a buffer, with a gain-bandwidth product of 1 MHz and a 2 V/µs slew rate that supports audio-bandwidth signal conditioning, 16-bit ADC input buffers, and reference-voltage buffers. Typical applications include precision weighing scales and load-cell signal chains (where 10 µV Vos preserves mV-level bridge outputs), industrial process-control 4-20 mA loop transmitters, medical instrumentation front-ends, precision active filters, multi-channel data-acquisition multiplexed front ends, and reference-voltage buffers for 16-bit and 18-bit ADCs. The wide supply range also allows use in ±15 V legacy industrial backplanes. A practical design consideration: although the OPA2277 is unity-gain stable, its 1 MHz GBW means it is best used for DC-accurate low-frequency applications (sub-100 kHz). For higher-bandwidth precision needs, the OPA2227 (same package, 13 MHz GBW) or OPA2156 (pin-compatible, lower noise) are better choices; choose this part when DC accuracy and price dominate over bandwidth. This page synthesizes distributor stock and pricing, AEO-optimized FAQ, and drop-in alternatives that complement the manufacturer datasheet.
OPA227P - 8MHz, 36V Low-Noise Op Amp | Texas Instruments
The Texas Instruments OPA227P is a single, high-precision operational amplifier with 8 MHz gain-bandwidth product, 2.3 V/µs slew rate, and operation from ±2.5 V to ±18 V in an 8-pin PDIP package. According to the manufacturer product page, the OPA227 family is designed for low noise and low offset voltage applications. An operational amplifier is a voltage-feedback amplifier that uses high open-loop gain to amplify the difference between two input voltages. Within the broader semiconductor hierarchy, this precision operational amplifier belongs to analog signal-chain ICs used for instrumentation, buffering, current-to-voltage conversion, filtering, and low-level sensor amplification. The verified OPA227 family data identifies 8 MHz bandwidth and 2.3 V/µs slew rate, combining useful AC performance with precision DC operation. Its ±2.5 V to ±18 V supply capability permits bipolar rails within the stated range and supports single-supply operation when configured appropriately. The OPA227P uses the same dual-lead 8-pin PDIP form associated with OPA227U. OPA227 is positioned for applications requiring both AC and precision DC performance. Key selection considerations include noise, input offset voltage, common-mode range, output swing, supply voltage, stability with the selected feedback network, and the system noise gain. The P suffix identifies a PDIP package, while the U suffix identifies the surface-mount SOIC option. Typical uses include precision bridge and transducer interfaces, low-level signal conditioning, buffered analog outputs, active filters, laboratory instrumentation, and power-supply feedback loops. In each circuit, the amplifier must remain stable at the intended closed-loop gain and operate without input or output saturation. PCB design should preserve the integrity of high-impedance feedback nodes by keeping input and feedback traces short and minimizing parasitic capacitance. Bypass each supply connection close to the amplifier with suitable decoupling, and route return currents directly to the ground reference rather than through shared copper paths. This page combines the verified Texas Instruments product information with practical package, selection, sourcing, and design guidance. Exact offset, noise-density, input-bias-current, common-mode, output-swing, and temperature values require the manufacturer datasheet because they were not supplied in the verified search data.
OPA227U - High Precision Low Noise Op Amp | Texas Instruments
The Texas Instruments OPA227U is a high-precision, low-noise operational amplifier that combines wide bandwidth with excellent DC precision in an 8-pin SOIC package. It features 3 nV/sqrt(Hz) input voltage noise density, 2.3 V/us slew rate, 8 MHz unity-gain bandwidth, and 138 dB open-loop CMRR, making it suitable for both precision DC and wideband AC signal conditioning. The OPA227U is unity-gain stable, with 5 us settling time to 0.1% and 75 uV maximum offset voltage, addressing the demanding requirements of instrumentation, audio, and data acquisition front-ends. An operational amplifier (op amp) is a high-gain DC-coupled electronic voltage amplifier with differential inputs and a single-ended output. Within the broader analog semiconductor taxonomy, an op amp belongs to the linear IC family, and the precision op amp sub-category is further characterized by ultra-low offset voltage, low drift, low bias current, and high common-mode rejection ratio (CMRR). The OPA227U occupies a position above general-purpose op amps (such as the LM358) and below chopper-stabilized amplifiers, targeting applications that require both AC fidelity and DC accuracy in a single device. The OPA227U is built on a complementary bipolar process that delivers 5 us settling time to 16-bit accuracy, a substantial improvement over legacy OP-27 and OP-177 designs. Its 10 nA maximum input bias current, 138 dB minimum CMRR, and 160 dB minimum open-loop gain enable the device to maintain precision across wide common-mode and temperature ranges. Single, dual, and quad channel versions (OPA227, OPA2227, OPA4227) share the same internal compensation and pinout, allowing portable designs to scale channels without redesign. Typical applications include precision instrumentation, active filters, data acquisition systems, professional audio equipment, and test & measurement front-ends. The combination of low noise and high DC accuracy makes the OPA227U particularly well-suited for 16-bit and 18-bit ADC driver circuits, weigh scales, thermocouple amplifiers, and medical instrumentation. Operating from +/-2.5 V to +/-18 V dual supplies or 5 V to 36 V single supply, the device adapts to industrial and battery-powered designs. When designing with the OPA227U, observe standard precision op-amp practices: keep input traces short and guarded to preserve CMRR, place a 1 nF to 10 nF ceramic bypass capacitor close to the supply pins, and use low-thermal-EMF PCB materials for high-gain stages. A 100 ohm series output resistor isolates the amplifier from capacitive loads greater than 1 nF to prevent ringing. The OPA227U is a direct upgrade path for legacy OP-27 designs, providing a quieter, wider-bandwidth, lower-distortion alternative in the same SOIC-8 footprint. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design notes for the OPA227U. The information below is curated for engineers evaluating the part for new designs, second-source qualification, or legacy OP-27/OP-177 upgrades.
OPA228U - Precision Low-Noise Op Amp | Texas Instruments
The Texas Instruments OPA228U is a high-precision operational amplifier with 3 nV/√Hz noise, 138 dB common-mode rejection, and operation from ±18 V to ±36 V, housed in an 8-pin SOIC package. It is optimized for closed-loop gains of 5 or greater and combines precision DC performance with wide bandwidth for instrumentation, analog signal conditioning, measurement, and low-noise audio applications. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its inverting and non-inverting inputs while using negative feedback to set the closed-loop gain. The OPA228 belongs to the precision amplifier hierarchy, combining low-noise voltage amplification with accurate DC behavior. Its high precision makes it useful when small sensor signals must be amplified without adding substantial offset, drift, or common-mode error. The main features of the OPA228U include 3 nV/√Hz noise density, a 10 V/µs slew rate, and settling time listed in the manufacturer’s data. The device is intended for high-gain closed-loop configurations, where its precision and bandwidth provide useful signal fidelity. The verified distributor data identifies the part as a single amplifier in an 8-SOIC package and lists ±18 V to ±36 V operating capability. OPA228 devices are designed for applications requiring both AC and precision DC performance. The family combines low noise with high open-loop gain and strong common-mode rejection, helping preserve weak signals in systems where environmental offsets and interference matter. Because this is an analog precision component, supply layout, grounding, input bias-current compensation, and stable feedback components remain important in a complete design. Typical uses include sensor-signal conditioning, precision current and voltage measurement, laboratory instrumentation, audio preamplification, and low-level analog front ends. The OPA228U can be useful where a gain of approximately 5 or higher is appropriate, while applications requiring unity-gain stability should review the family details and choose the OPAx227 rather than assume interchangeability. Designers should check the complete manufacturer data sheet for input common-mode limits, output swing, bias current, offset voltage, supply-current behavior, and compensation requirements before finalizing a circuit. In particular, the 8-pin SOIC footprint requires careful attention to pin orientation and feedback routing. This page combines verified manufacturer and distributor information, package data, source links, and engineering-focused selection guidance to make OPA228U evaluation more actionable than a basic distributor listing alone.
OPA2335AIDR - Dual Zero-Drift 5uV 2MHz Op Amp | TI
The Texas Instruments OPA2335AIDR is a dual-channel, zero-drift CMOS operational amplifier (op-amp) in an 8-pin SOIC package, delivering 5 uV (max) offset voltage and 0.05 uV/°C (max) drift over temperature. It provides a 2 MHz gain-bandwidth product, rail-to-rail output swing, and operates from a single 2.7V to 5.5V supply with a typical quiescent current of 285 uA per channel. The "D" suffix indicates tape-and-reel packaging and the "R" suffix designates the SOIC-8 (D) small-outline package. A zero-drift amplifier (also called auto-zero or chopper-stabilized op-amp) is a precision amplifier topology that continuously samples and corrects its own input offset voltage, virtually eliminating the 1/f noise corner and drift over time and temperature. Within the broader taxonomy, zero-drift op-amps sit beneath precision amplifiers and instrumentation amplifiers, above general-purpose CMOS op-amps; they are critical in any signal chain where DC accuracy over temperature matters more than absolute bandwidth. Key features include 5 uV maximum offset voltage, 0.05 uV/°C maximum drift, single-supply operation from 2.7V to 5.5V, 2 MHz GBW, rail-to-rail output, 285 uA quiescent current per channel, and a miniature SOIC-8 footprint. The chopper-stabilized topology eliminates the 1/f noise corner, producing flat noise spectral density down to DC - a feature classical CMOS op-amps cannot match. The OPA2335 uses TI's auto-zeroing architecture that combines a main amplifier with a nulling amplifier. The nulling amplifier periodically samples the offset and applies a correction, yielding near-zero long-term drift. This makes the device particularly well suited for high-gain DC stages, sensor signal conditioning, and 16-bit-plus precision analog-to-digital converter (ADC) front ends where offset drift directly translates to system error. Typical applications include transducer signal conditioning, electronic weighing scales (electronic balances), medical instrumentation such as ECG and patient monitors, temperature measurement (RTD and thermocouple amplifiers), and precision analog front-ends for industrial process control. In each case the OPA2335's near-zero drift preserves calibration accuracy over the full operating temperature range. When designing with the OPA2335, observe the standard zero-drift caveat: the auto-zero clock produces small intermodulation artifacts in the kHz region that can alias into audio-frequency bands - a small post-filter or careful GBW selection mitigates this. Decouple each supply pin with a 0.1 uF ceramic capacitor placed within a few millimeters of the IC. This page synthesizes distributor pricing, drop-in compatible alternatives in the SOIC-8 footprint, parametric comparisons with same-package peers, and practical design notes not found in the manufacturer datasheet alone.
OPA234E - 36V Precision Operational Amplifier | Texas Instruments
The Texas Instruments OPA234E is a low-power, precision operational amplifier in an 8-VSSOP package, specified for single-supply operation up to +36V and dual-supply operation up to ±18V. The device provides two amplifier channels, 250 uA per amplifier quiescent current, 25 nA maximum input bias current, 100 uV maximum offset voltage, and operation characterized at +2.7V, +5V, and ±15V. Its 8-VSSOP package supports compact analog signal-chain designs. An operational amplifier is a voltage-feedback analog IC used to amplify the difference between two input voltages while providing high input impedance and low output impedance. The OPA234E belongs to the precision operational-amplifier hierarchy, combining low offset, low bias current, and low quiescent current for instrumentation, sensor, and signal-conditioning applications. Its dual-channel architecture reduces package count when a design needs two matched amplifier functions. Key features include a wide supply range, low power consumption, low input bias current, and low offset voltage. The 250 uA-per-amplifier quiescent current is suitable for battery-powered and low-power systems, while the maximum 25 nA input bias current helps preserve sensor accuracy. The device is intended for precision signal conditioning where low bias and offset matter more than very high bandwidth. The verified product data identifies OPA234E as a single circuit in an 8-VSSOP package from the distributor listing, while the related OPA234 family data describes it as a dual operational-amplifier family member. The available source does not provide a verified gain-bandwidth figure, slew rate, noise density, common-mode range, output swing, or complete pinout, so those values must be confirmed from the manufacturer datasheet before design release. Typical applications include low-power sensor interfaces, precision current measurements, instrumentation signal conditioning, battery-powered equipment, and industrial control systems. The low quiescent current helps limit supply demand, but input bias current and offset errors still require careful source-impedance and calibration analysis. For PCB implementation, keep input traces short, provide stable bypassing at the supply pins, and avoid routing sensitive high-impedance inputs beside switching nodes. Verify the exact VSSOP pin mapping, supply limits, input common-mode range, and output swing against the authoritative OPA234 datasheet. This page combines verified distributor descriptions, available family specifications, and engineering guidance while clearly identifying missing parameters. This product data is synthesized from the supplied manufacturer-family and distributor sources rather than a complete manufacturer datasheet specification set.
OPA2350UA/2K5 - Dual 38MHz Rail-to-Rail Op Amp | Texas Instruments
The Texas Instruments OPA2350UA/2K5 is a dual, single-supply, rail-to-rail CMOS operational amplifier featuring 38 MHz gain-bandwidth, 22 V/µs slew rate, and 5 nV/√Hz input-noise density in an 8-pin SOIC package. The two amplifiers share a common package while providing independent input, output, and supply connections for dual-channel signal conditioning. According to the verified TI product information, the device is optimized for low-voltage operation and is intended for high-speed, low-noise analog signal chains. What is a rail-to-rail operational amplifier? A rail-to-rail input amplifier accepts input voltages across nearly the entire supply range, while a rail-to-rail output amplifier can swing its output close to the positive and negative supply rails. The OPA2350 combines these capabilities with high-speed small-signal performance and low noise. In the broader electronics hierarchy, it is a CMOS operational amplifier within the linear-amplifier and signal-conditioning categories. The verified feature set emphasizes 38 MHz bandwidth, 22 V/µs slew rate, 5 nV/√Hz noise density, and rail-to-rail output operation within 10 mV. These figures make the device suitable for applications that require fast settling or low-noise amplification, including sampling analog-to-digital converter input stages. The family is also identified for cell-phone power-amplifier control loops and 75-ohm video-processing drive applications. OPA2350UA/2K5 is specified as a dual amplifier in an 8-pin SOIC (D) package. The verified operating-temperature entry is -40°C to +85°C for this ordering variant. Rail-to-rail input and output behavior is particularly useful in low-voltage systems where the usable signal range is close to the supply limits and where conventional non-rail-to-rail amplifiers would clip or compress the signal. Typical circuit roles include ADC signal conditioning, video-buffer or drive functions, control-loop amplification, and other high-speed analog front-end stages. The dual configuration can process two related channels, such as a differential or paired sensor signal, without requiring two separate packages. Designers should verify the supply voltage, load, stability, and output-swing requirements against the complete manufacturer datasheet before finalizing the analog path. A key design consideration is to preserve the amplifier’s high-speed behavior by minimizing parasitic capacitance and using short, well-routed traces. Decoupling capacitors should be placed close to the supply pins, and sensitive input nodes should avoid proximity to switching nodes and high-current return paths. Because the verified data does not provide a complete electrical parameter table for every operating condition, consult the TI datasheet for precise limit values. This page combines verified TI product facts, distributor availability references, practical design guidance, and structured comparison information. It is intended to help engineers identify whether the OPA2350UA/2K5 matches the required bandwidth, slew-rate, noise, supply, and package constraints.
OPA2375 - Dual 10MHz Low-Noise CMOS Op Amp | Texas Instruments
The Texas Instruments OPA2375 is a dual-channel, general-purpose CMOS operational amplifier delivering a 10 MHz gain-bandwidth product, an ultra-low broadband noise of 4.6 nV/rtHz (per-channel typical at 10 kHz), and a maximum input offset voltage of 500 uV. It operates from a single 2.2V to 5.5V supply with rail-to-rail output (RRO) and is supplied in an 8-pin TSSOP package (OPA2375IPWR). An operational amplifier is a high-gain voltage amplifier with differential inputs, foundational to the analog signal-chain hierarchy: op amp -> amplifier IC -> analog front end -> semiconductor. The OPA2375 belongs to the OPAx375 family, which includes the single-channel OPA375 and quad-channel OPA4375, all sharing the same core CMOS silicon and specifications. Key features include low broadband noise (3.5 nV/rtHz family figure, 4.6 nV/rtHz for the dual at specified conditions), a wide 10 MHz bandwidth suited to active filters and transimpedance stages, rail-to-rail output swing that maximizes dynamic range on 3.3V and 5V rails, and low offset of 500 uV maximum that reduces DC error without needing auto-zero calibration. CMOS construction gives low input bias current, important for high-impedance sources. Architecturally, the OPA2375 uses a CMOS input pair with a precision trim at wafer test, achieving a strong noise-bandwidth-offset balance that makes the OPAx375 family attractive for precision applications requiring good AC performance at low cost. Unity-gain stability and rail-to-rail output simplify buffer and driver designs. Typical applications include sensor signal conditioning, active anti-aliasing filters ahead of precision ADCs, transimpedance amplifiers for photodiodes, and medical or portable instrumentation where low noise and wide bandwidth on a single 5V rail are required. The dual channel halves board area versus two singles. Design consideration: keep source impedance below approximately 1 kOhm to preserve the nV-level noise floor, and decouple each supply pin with 0.1 uF ceramics placed close to the device.