Verstärker-ICs
Produkte (510)
OPA4209AIPWR - Quad 2.2nV/rtHz 18MHz 36V Precision Op Amp | TI
The Texas Instruments OPA4209AIPWR is a quad-channel, 2.2 nV/√Hz, 18 MHz, precision, rail-to-rail output (RRO) operational amplifier supplied in a 14-pin TSSOP (PW) package, specified for operation from -40 °C to +125 °C. It supports supply voltages from 4.5 V to 36 V single-supply (or ±2.25 V to ±18 V dual-supply), delivering a maximum supply current of 2.5 mA per channel while achieving very low voltage noise density. The combination of low noise, wide bandwidth, low offset, and rail-to-rail output swing makes it ideal for high-resolution signal acquisition. An operational amplifier 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. Precision op amps in particular target low offset voltage, low input bias current, low noise, and high open-loop gain so they can amplify millivolt-level signals without adding meaningful error. The OPA4209 belongs to the precision low-noise op-amp family (precision op amp -> low-noise amplifier -> operational amplifier -> analog IC -> semiconductor), bridging sensor/transducer signal conditioning and downstream ADC drivers. Key features include 2.2 nV/√Hz input voltage noise density at 1 kHz, 18 MHz unity-gain bandwidth, 6.5 V/µs slew rate, 130 dB open-loop gain (AOL), 150 µV typical input offset voltage, and rail-to-rail output swing. The device is unity-gain stable and accepts capacitive loads up to 1 nF, simplifying its use as a buffer or transducer interface without external compensation. The TSSOP-14 surface-mount package has a thermal resistance (θJA) of approximately 130 °C/W, requiring attention to total dissipation in multi-channel operation at high ambient temperature. The OPA4209AIPWR uses TI's proprietary precision bipolar process with a trimmed input stage to deliver 130 dB AOL and low offset drift across the full -40 °C to +125 °C range. Its CMOS-compatible input bias current (~ 1 nA typical) simplifies interface to high-impedance sensors and photodiode front ends. The RRO architecture eliminates the need for negative rails in single-supply systems, maximizing dynamic range in low-voltage 5 V or 12 V designs. Typical applications include precision data acquisition front ends, 16-bit and 18-bit SAR ADC drivers, industrial process-control analog I/O, multi-channel sensor signal conditioning (strain gauge, RTD, thermocouple), medical instrumentation, test-and-measurement equipment, and active filters. The wide 36 V supply range also makes it suitable for ±15 V pro-audio and industrial automation boards. When designing with this amplifier, observe the input common-mode range which extends to the negative rail but stays approximately 1.5 V below the positive rail (it is not a true RRIO). For 5 V single-supply designs, this is usually not a problem; for 36 V designs, ensure VCM stays within the linear input range to avoid distortion. This page synthesizes distributor pricing, drop-in alternatives (including same-brand TSSOP-14 quads from the OPAx209 family and cross-brand equivalents), comparison parameters, and practical design notes not found in the manufacturer datasheet.
OPA4374AIDR - Quad 6.5MHz RRIO Op Amp | Texas Instruments
The Texas Instruments OPA4374AIDR is a quad-channel, 5.5V, 6.5MHz, rail-to-rail input and output (RRIO) CMOS operational amplifier supplied in a 14-pin SOIC package, designed for low-power, low-cost precision signal conditioning across industrial, portable, and consumer systems. It delivers a 6.5 MHz gain-bandwidth product and 5 V/us slew rate while consuming only 585 uA of quiescent current per channel, giving designers a strong speed-to-power ratio in a small surface-mount footprint. An operational amplifier (op amp) is a high-gain differential DC-coupled amplifier that uses external feedback to set gain, bandwidth, and transfer characteristics; it is the foundational building block of analog signal chains. Quad op amps integrate four independent amplifiers into a single package, reducing board area and channel-to-channel matching error in multi-channel systems such as sensor arrays, audio front-ends, and active filters. The OPA4374 extends this topology into the CMOS process node, achieving rail-to-rail input and output swing on a single supply up to 5.5V, which maximizes dynamic range in low-voltage designs. Key specifications include a maximum input offset voltage of 5 mV, a low input bias current of 10 pA maximum, 6.5 MHz unity-gain bandwidth, 5 V/us slew rate, 585 uA per-channel quiescent current, and a CMOS input stage that extends 200 mV beyond both supply rails. The output swings to within 25 mV of either rail at moderate load, and the device operates from a single 2.7V to 5.5V supply, or +/-1.35V to +/-2.75V from split rails. The OPA4374AIDR is specified across the -40C to +125C industrial temperature range and is offered in a 14-pin SOIC (D) package with RoHS-compliant lead-free (Pb-free) matte-tin plating. Architecturally, the OPA4374 uses a CMOS input differential pair followed by a class-AB output stage that delivers ~30 mA of short-circuit output current and supports capacitive loads up to ~1 nF in unity-gain configurations. The RRIO topology uses complementary N- and P-channel input stages that combine in a summing node to extend the common-mode range beyond the rails, while the output stage uses charge-pump-free rail-sensing to maintain output swing close to both rails. EMI rejection is enhanced by the small input-stage capacitance and the wide GBW relative to typical industrial noise frequencies. Typical applications include multi-channel sensor signal conditioning, battery-powered instrumentation, active filters, transimpedance amplifiers for photodiodes, and low-side or high-side current sensing. Designers often choose the OPA4374 when four channels, low power, and rail-to-rail swing must coexist in a small industrial footprint. When designing with this device, verify that the input common-mode voltage stays within the specified 200 mV beyond-rail range and ensure the output stage sees a load no smaller than ~2 kOhm to preserve linearity, especially at the top end of the supply.
OPA4488 - Quad 48V 14MHz Zero-Drift Op Amp | TI
The OPA4488 is a quad, 48V, 14MHz, zero-drift, mux-friendly CMOS precision operational amplifier from Texas Instruments. It operates from a 4.5V to 48V supply voltage range and features a 60V absolute maximum rating, enabling robust circuit designs in industrial and automotive applications. The device is available in a 14-pin SOIC package (DR) and a 14-pin TSSOP package (PW), providing flexibility for various PCB layouts. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used in signal conditioning, filtering, and mathematical operations. The OPA4488 belongs to the precision op amp category, which prioritizes low offset voltage, low drift, and low noise for accurate signal processing. As a zero-drift amplifier, it uses chopper stabilization to continuously correct offset and drift, achieving near-zero offset voltage and minimal temperature-induced error. Key features of the OPA4488 include a low quiescent current of 1.5mA per amplifier, a wide bandwidth of 14MHz, and a low noise density of [DATA_NEEDED: input voltage noise density]. The zero-drift architecture provides an offset voltage of [DATA_NEEDED: offset voltage] and a drift of [DATA_NEEDED: offset drift], making it ideal for precision applications. The mux-friendly input stage allows the amplifier to settle quickly after being switched from a multiplexer, reducing errors in multi-channel data acquisition systems. The OPA4488 is designed with a CMOS input stage, providing high input impedance and low bias current, which is beneficial for interfacing with high-impedance sensors. The rail-to-rail output stage allows the output to swing close to the supply rails, maximizing dynamic range in single-supply applications. The device also includes internal ESD protection and is specified over the -40°C to 125°C temperature range. Typical applications include precision data acquisition, industrial process control, test and measurement equipment, and automotive sensor interfaces. The wide supply voltage range and high bandwidth make it suitable for driving ADCs, buffering reference voltages, and conditioning signals in harsh environments. The low quiescent current is advantageous for battery-powered and power-sensitive designs. When designing with the OPA4488, ensure proper power supply decoupling with 0.1uF ceramic capacitors close to the supply pins. The zero-drift architecture may introduce a small amount of chopper noise, which can be filtered if necessary. For best performance, use a solid ground plane and minimize parasitic capacitance on the input nodes.
OPA547F/500 - 500mA High-Voltage Op Amp w/ Shutdown | Texas Instruments
The Texas Instruments OPA547F/500 is a high-voltage, high-current operational amplifier capable of delivering 500 mA continuous output current from a wide single supply (8 V to 60 V) or dual supply (±4 V to ±30 V) rail, housed in a 7-pin TO-263 (DDPAK-7, KTW) surface-mount power package. Designed for direct drive of resistive, inductive, and piezoelectric loads, the device combines a 1 MHz gain-bandwidth product with a 6 V/µs slew rate and integrates both adjustable current limit and thermal shutdown protection. What is a high-current power operational amplifier? A high-current power op amp is a specialized linear integrated circuit that combines the precision, feedback control, and closed-loop stability of a general-purpose op amp with the output drive capability required to source or sink hundreds of milliamps directly into a load. Unlike a small-signal op amp, the power op amp includes on-chip thermal protection, wide supply-voltage tolerance, and often an output-disable or shutdown pin. In the system hierarchy it sits between a low-level control circuit (such as a microcontroller DAC, a sensor conditioner, or an analog signal path) and a high-power load (motors, solenoids, heaters, audio transducers). The OPA547 belongs to this power-op-amp category and is widely used as a programmable current source, H-bridge driver, audio line driver, or high-voltage transducer amplifier. Key features of the OPA547F/500 include a wide output voltage swing that approaches each supply rail, fully-protected operation with user-adjustable current limit via a single external resistor, dedicated Enable/Shutdown (E/S) pin with a status flag, and thermal shutdown indication. The integrated protections dramatically reduce external component count and simplify PCB layout in motor, solenoid, and valve driver designs. Architecturally, the OPA547 uses a complementary bipolar output stage capable of swinging within ~1 V of each rail at full load, paired with a precision input stage that provides 100 nA input bias current and 1 mV typical input offset voltage. The combination delivers dc accuracy suitable for closed-loop transducer biasing while still providing the high transient current demanded by reactive loads. Typical applications include high-voltage motor and solenoid drivers, programmable voltage and current sources, valve and actuator control in industrial automation, audio amplifiers and line drivers, and test-and-measurement power boosters. The wide supply range also makes it suitable for 24 V industrial bus systems and 48 V telecom/battery systems. When designing with the OPA547F/500, ensure the PCB copper pour under the exposed tab is sized to keep junction temperature within the 150 °C maximum, and choose the ILIM resistor carefully to set the current-limit threshold just above the maximum required load current to avoid false triggering yet still protect against short circuits. This page synthesizes the manufacturer datasheet, current distributor pricing, pin-compatible alternatives, and practical design notes to support fast, reliable selection for power analog designs.
OPA551UA/2K5 - 60V High-Voltage High-Current Op Amp | TI
The Texas Instruments OPA551UA/2K5 is a high-voltage (60 V), high-current (380 mA typical) operational amplifier supplied in an 8-pin SOIC (D) package, tape-and-reel packaged as the /2K5 shipping variant. It is unity-gain stable, offers a 15 V/us slew rate, 3 MHz of gain-bandwidth product, and operates from +/-30 V supplies (or a single 60 V supply). The device is specified across the -40 C to +125 C industrial temperature range and delivers low-level signal accuracy through monolithic laser-trimmed input stages. A high-power operational amplifier (high-voltage op amp) is an analog IC that can both swing its output close to the rails and source/sink substantial load current while preserving small-signal fidelity. It sits within the broader taxonomy of operational amplifiers -> amplifier ICs -> analog ICs -> integrated circuits. Compared to a generic op amp, a high-current/high-voltage part trades quiescent current and package size for the ability to drive actuators, motors, LEDs, references, and audio loads directly without a separate buffer stage. Key features include output swing within 1 V of each rail at full load, 380 mA typical / 200 mA minimum continuous output current, 60 V maximum supply, 15 V/us slew rate, and 3 MHz GBW. Protection features include internal current limit and thermal shutdown with automatic recovery, plus a specified output disable characteristic when the device overheats. The OPA551 uses a complementary bipolar output stage that achieves rail-to-rail-like swing while maintaining unity-gain stability and a clean large-signal transient response. The laser-trimmed offset and bias structure keep input-referred errors low enough for closed-loop servo and instrumentation tasks. Typical applications include industrial valve and actuator drivers, motor-drive reference amplifiers, programmable power-supply output stages, audio line drivers, and test equipment signal conditioning. The combination of 60 V compliance and 380 mA drive makes it especially useful where a low-power op amp would otherwise need a discrete booster stage. When designing with this device, observe the absolute-maximum differential input voltage of +/-VDD and ensure the output current stays within the SOA curve to avoid triggering thermal shutdown. The SOIC-8 thermal pad (pin 8) must be soldered to a sufficient copper pour to keep junction temperature within safe limits. This page synthesizes TI parametric data, distributor pricing, and pin-compatible cross references into a single engineering resource that is not duplicated by the manufacturer datasheet.
OPA602AP - 6.5MHz Precision Difet Op Amp | Texas Instruments
The Texas Instruments OPA602AP is a high-speed precision Difet (dielectrically isolated FET) operational amplifier delivering 6.5 MHz bandwidth, 35 V/us slew rate, and a maximum offset voltage of +/-250 uV, housed in an 8-pin PDIP package. An operational amplifier is a high-gain voltage amplifier with differential inputs and a single-ended output, forming the foundational building block of the analog signal chain hierarchy: op amp -> amplifier IC -> analog IC -> semiconductor. Precision op amps such as the OPA602 combine the accuracy of a precision bipolar device with the speed of a FET-input design, making them a category distinct from general-purpose amplifiers. Key features include a maximum input bias current of +/-1 pA, enabled by the Difet JFET input stage; fast settling time to 0.01%; and unity-gain stability. According to the TI datasheet, the device is unity-gain stable and can drive capacitive loads up to 1500 pF, an unusually high capacitive-drive capability for a precision amplifier. Laser-trimmed input circuitry provides offset voltage and drift performance normally associated with precision bipolar op amps. The monolithic Difet (dielectrically isolated FET) construction is the core technology: dielectric isolation eliminates the parasitic junction capacitances of conventional JFET processes, allowing an unusual combination of high speed and accuracy in one die. Wide bandwidth and low distortion minimize AC errors, while the picoampere input bias current minimizes DC errors in high-impedance signal paths. Typical applications include precision instrumentation front ends, optoelectronics receivers, and sonar and ultrasound signal processing, where pulse fidelity and DC accuracy must coexist. Datasheet specifications are rated with a 1 kOhm resistor in parallel with a 500 pF load, so engineers should evaluate dynamic specs against actual load conditions. A key design consideration is supply headroom: the OPA602AP operates from +/-18 V supplies, and the Difet input stage performs best when inputs are kept within the linear common-mode range; output settling behavior should be verified in breadboard when driving heavy capacitive loads. This page synthesizes distributor pricing context, drop-in alternative analysis, pinout, and practical design notes beyond what the manufacturer datasheet alone provides.
OPA602AU - 6.5MHz Precision Difet Op Amp, SOIC-8 | TI
The Texas Instruments OPA602AU is a high-speed precision Difet (dielectrically isolated FET) operational amplifier delivering 6.5 MHz bandwidth, 35 V/us slew rate, and a maximum offset voltage of +/-250 uV with a maximum input bias current of +/-1 pA, housed in an 8-pin SOIC (D) package. A precision operational amplifier is a type of analog signal-conditioning IC that amplifies small differential voltages while adding minimal DC error. Within the amplifier hierarchy, the op amp sits above general amplifiers and below full instrumentation amplifiers, which integrate multiple op amps plus laser-trimmed resistor networks. Precision op amps prioritize offset, drift, and bias current over raw speed, and the OPA602 is unusual in combining both. Key features include unity-gain stability, fast settling to 0.01% for pulse and data-conversion applications, and low distortion across its 6.5 MHz bandwidth. The Difet process isolates FET input transistors with a dielectric layer, enabling high speed without the input leakage typical of junction-isolated FET processes. Technically, laser trimming of the input circuitry yields offset and drift performance normally associated with precision bipolar amplifiers, while the FET input keeps bias current at the picoampere level, ideal for high-impedance sources. TI rates all specifications with a 1 kOhm resistor in parallel with a 500 pF load, and the device easily drives capacitive loads up to 1500 pF. Typical applications include precision instrumentation, optoelectronics, and sonar/ultrasound signal chains, where fast settling and low DC error are simultaneously required. The OPA602AU is the -25C to +85C grade in the SOIC-8 package. Design consideration: as a decompensated-speed FET amplifier at unity gain, always verify phase margin with large capacitive loads and use the offset trim pins (1 and 5) carefully, since trim range exceeds offset magnitude. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
OPA602AU/2K5 - 6.5MHz, 35V/us Precision Difet Op Amp | TI
The Texas Instruments OPA602AU/2K5 is a high-speed precision Difet (dielectrically isolated FET) operational amplifier delivering a 6.5MHz bandwidth, 35V/us slew rate, and a maximum offset voltage of +/-250uV in an 8-pin SOIC (D) package rated from -25C to +85C. An operational amplifier (op amp) is a high-gain differential voltage amplifier that forms the core building block of analog signal conditioning within the broader amplifier IC hierarchy. Precision op amps like the OPA602 minimize DC errors (offset, bias current, drift) while wideband types minimize AC errors; the OPA602 uniquely combines both classes using monolithic Difet construction, in which laser-trimmed input circuitry achieves offset and drift performance normally associated with precision bipolar amplifiers while retaining the ultra-low input bias current of a FET input stage. Key features include a +/-1pA maximum input bias current, fast settling to 0.01%, unity-gain stability, and the ability to drive capacitive loads up to 1500pF. According to the TI product page, all specifications are rated with a 1k resistor in parallel with a 500pF load, and wide bandwidth with low distortion minimizes dynamic errors in pulse and data conversion signal chains. The Difet process dielectrically isolates devices, giving an unusual combination of high speed and accuracy. High slew rate and fast settling allow accurate signal processing in pulse amplification, sample-hold buffering, DAC output conditioning, and optoelectronic receivers, where low input current protects high-impedance nodes from loading errors. Typical applications include precision instrumentation front ends, sonar and ultrasound signal chains, and photodiode/optoelectronic amplification. In each case, the 6.5MHz bandwidth and 35V/us slew rate preserve signal fidelity at speed while 1pA bias current preserves DC accuracy. Design consideration: the ±5V to ±18V supply range demands attention to supply decoupling; the OPA602 is stable at unity gain but output current capability (about 20mA class) should be respected when driving heavy loads. This page synthesizes distributor pricing, verified drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet. Pricing is referenced as of 2026-09-13.
OPA602BP - 6.5MHz 35V/us Precision Difet Op Amp | Texas Instruments
The Texas Instruments OPA602BP is a high-speed precision Difet (dielectrically isolated FET) operational amplifier delivering a 6.5 MHz gain-bandwidth, 35 V/us slew rate, and a maximum input offset voltage of +/-250 uV in an 8-pin PDIP package. Its maximum input bias current of +/-1 pA and fast settling to 0.01% make it a rare combination of FET-input precision and wideband speed. An operational amplifier is a high-gain voltage amplifier with differential inputs, forming the foundation of the analog signal chain hierarchy: op amp -> amplifier IC -> analog IC -> semiconductor. Precision op amps like the OPA602 family minimize DC errors (offset, drift, bias current) while preserving AC performance, and the Difet process separates transistors with dielectric isolation to achieve speeds impossible in junction-isolated FET processes. Key differentiating features include laser-trimmed input circuitry for bipolar-grade offset and drift performance, unity-gain stability, and the ability to drive capacitive loads up to 1500 pF. Per the TI datasheet, all specifications are rated with a 1 kOhm resistor in parallel with a 500 pF load, and wide bandwidth with low distortion minimizes dynamic errors in data-conversion signal paths. The supply range of +/-5 V to +/-18 V supports both standard +/-15 V analog systems and lower-voltage precision designs. The OPA602BP grade offers the tightest offset specification within the family (OPA602AP is the looser A grade), suiting high-accuracy instrumentation front ends. Typical applications include precision instrumentation amplifiers, optoelectronic receiver front ends (photodiode transimpedance stages benefit from 1 pA bias current), and sonar/ultrasound signal conditioning where slew rate and settling accuracy are critical. Design consideration: with FET inputs, bias current doubles roughly every 10 C, so keep thermal gradients away from the input pins and use guard rings to preserve the picoampere-level input performance. This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet.
OPA602SM - 6.5MHz Precision Difet Op Amp | TI Burr-Brown
The Texas Instruments (Burr-Brown) OPA602SM is a high-speed precision Difet (dielectrically isolated FET) operational amplifier delivering 6.5 MHz bandwidth, 35 V/us slew rate, and a maximum offset voltage of plus/minus 250 uV, housed in a round 8-pin TO-99 metal can package with military temperature grading. An operational amplifier is a high-gain differential voltage amplifier that, with external feedback networks, forms the core building block of analog signal conditioning: amplification, filtering, integration, buffering, and current-to-voltage conversion. The op amp hierarchy runs from general-purpose amplifiers through precision amplifiers to specialized high-speed precision parts like the OPA602SM, where both DC accuracy and AC speed are demanded simultaneously. Key features include a high slew rate of 35 V/us, low input bias current of plus/minus 1 pA maximum thanks to Difet input circuitry, fast settling to 0.01%, and unity-gain stability. The part easily drives capacitive loads up to 1500 pF, and all specifications are rated with a 1k resistor in parallel with a 500 pF load. Laser-trimmed input circuitry provides offset and drift performance normally associated with precision bipolar op amps, while the FET inputs eliminate bias-current errors in high-impedance circuits. The monolithic Difet construction (dielectrically isolated FET) provides an unusual combination of high speed and accuracy: dielectric isolation removes the junction capacitances that limit conventional JFET processes, allowing wide bandwidth and low distortion while preserving picoampere input currents. Wide bandwidth and low distortion minimize AC errors in precision signal chains. Typical applications include precision instrumentation, optoelectronics, and sonar/ultrasound systems, where the low bias current suits photodiode and high-impedance transducer interfaces, and the 6.5 MHz bandwidth supports fast pulse and carrier-based measurement. Design consideration: the TO-99 metal can requires careful ground-plane transitions when substituting surface-mount layouts, and offset trim pins should be used for sub-100 uV accuracy. This page synthesizes datasheet specifications, drop-in family alternatives, comparison tables, and practical design notes not found on distributor product pages.
OPA627 - Precision High-Speed JFET Op Amp | Texas Instruments
The OPA627 is a precision, high-speed JFET operational amplifier from Texas Instruments, offering a unique combination of low noise, low offset voltage, and high speed. It operates from a supply voltage of 9V to 36V (±4.5V to ±18V) and is available in 8-pin DIP, SOIC, and other packages. Key specifications include a slew rate of 55V/µs, a maximum offset voltage of 100µV, a maximum drift of 0.8µV/°C, and a low input bias current of 5pA. The OPA627 is unity-gain stable, making it versatile for a wide range of precision analog applications. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and instrumentation. The OPA627 belongs to the class of precision op amps, which prioritize low offset voltage, low drift, and low noise. Within the hierarchy of amplifiers, it sits as a precision JFET-input op amp, offering higher input impedance and lower bias current than bipolar-input counterparts, making it ideal for high-impedance sources. The OPA627 features very low noise of 4.5nV/√Hz at 10kHz, fast settling time to 0.01%, and low input bias current of 5pA. Its high slew rate of 55V/µs and wide bandwidth support high-speed signal processing. The device also offers excellent DC precision with low offset voltage and drift, ensuring accuracy in measurement and control systems. The JFET input stage provides high input impedance, minimizing loading on sensitive sources. Technically, the OPA627 uses a Difet (dielectrically isolated FET) input stage, which reduces leakage currents and improves noise performance compared to conventional JFET designs. The device is designed for stability with capacitive loads and offers robust output drive capability. Its specifications are guaranteed over a wide temperature range, with the P and D packages rated from -25°C to 85°C and the LMC package from -55°C to 125°C. Typical applications include precision instrumentation, audio preamplifiers, active filters, data acquisition systems, and photodiode amplifiers. The OPA627's low noise and high speed make it particularly suited for high-fidelity audio and precision measurement equipment. Its low bias current is essential for applications with high source impedances, such as pH sensors and photodiodes. When designing with the OPA627, ensure proper power supply decoupling with 0.1µF capacitors close to the supply pins. For optimal noise performance, use metal-film resistors and keep the feedback network impedance low. The OPA627 is a versatile choice for demanding precision applications.
OPA627AU - 16MHz Precision DIFET Op Amp, 55V/us | TI
The Texas Instruments OPA627AU is a precision high-speed DIFET (dielectrically isolated FET) operational amplifier delivering 16MHz unity-gain bandwidth, 55V/us slew rate, and a maximum offset voltage drift of 0.8uV/C, housed in an 8-pin SOIC (D) package rated from -25C to +85C. A precision operational amplifier is a type of high-accuracy voltage amplifier within the broader amplifier IC family of analog semiconductors. Precision op amps combine low input offset voltage, low drift, and low bias current so that signal-chain accuracy is preserved over time and temperature, and they sit upstream of ADCs, filters, and output drivers in instrumentation, audio, and measurement systems. The OPA627AU differentiates itself with very low input bias current of 5pA maximum, enabled by the DIFET junction-isolated FET input process, fast settling to 0.01% in 550ns, and a low maximum offset voltage of 100uV. Unity-gain stability distinguishes it from its sibling OPA637, which is stable only at gain of 5 or greater. Architecturally, the DIFET process uses dielectric isolation to shrink junction capacitances, allowing the unusual combination of FET-input precision (picoampere bias current) with high-speed dynamics normally associated with bipolar op amps. The result is a single-amplifier solution that historically replaced discrete FET-input hybrid designs in precision signal paths. Typical applications include professional and high-end audiophile audio preamplifiers and I/V converters for DACs, precision photodiode transimpedance amplifiers where 5pA bias current minimizes offset error, and test-and-measurement front ends requiring fast 55V/us slewing with microvolt-level accuracy. For design, note the offset trim pins on the SOIC-8 footprint and ensure supply decoupling close to pins 4 and 7; the -25C minimum operating temperature is narrower than many precision op amps, so verify ambient range compliance. This page synthesizes distributor pricing, drop-in alternatives, cross-references, and practical design notes not found in the manufacturer datasheet.
OPA627AU/2K5 - 16MHz Precision JFET Op Amp 55V/us | TI
The Texas Instruments OPA627AU/2K5 is a precision, high-speed JFET-input operational amplifier delivering 16 MHz unity-gain bandwidth, 55 V/us slew rate, and a maximum offset voltage drift of 0.8 uV/C, housed in an 8-pin SOIC (D) package rated for -25C to +85C operation. A JFET-input operational amplifier is a voltage-feedback amplifier whose input stage uses junction field-effect transistors to achieve extremely low input bias current and high input impedance. Within the signal-chain hierarchy, it sits under the operational amplifier family, itself a core analog building block of amplifier ICs and precision analog front-end design. Key features include a very low offset voltage of 100 uV max, maximum drift of 0.8 uV/C, and input bias current as low as 5 pA max thanks to the DiFet (dielectrically isolated FET) input stage. The part is unity-gain stable, settling fast to 0.01% accuracy, and provides very low voltage noise at 10 kHz. Supply operation spans +-4.5 V to +-18 V, supporting both +-15 V industrial analog rails and +-5 V precision systems. Technically, the OPA6x7 family is fabricated on a high-speed dielectrically isolated (DiFet) process, which gives the OPA627 lower noise, lower offset, and higher speed than the earlier OPA111 while retaining picoampere input currents. The sibling OPA637 shares the die but is stable only at gains of 5 or greater, trading stability margins for wider bandwidth at high gain. Typical applications include precision data-acquisition front ends, photodiode transimpedance amplifiers, professional and audiophile audio preamplifiers, and test-and-measurement instrumentation where low offset drift and low bias current are decisive. A key design consideration: because the part is unity-gain stable at 16 MHz, layout with short feedback traces and solid ground planes is essential to avoid parasitic ringing; for gains of 5 or more, the faster OPA637 is often the better choice. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
OPA627BP - 16MHz Precision Difet Op-Amp | Texas Instruments
The Texas Instruments OPA627BP is a precision high-speed Difet (dielectrically isolated FET) operational amplifier delivering 16 MHz unity-gain bandwidth, 55 V/us slew rate, and 0.8 uV/C maximum offset-voltage drift, housed in an 8-pin plastic DIP (PDIP-8) package. A precision operational amplifier is an op-amp engineered to minimize DC error terms - input offset voltage, bias current, and drift - while maintaining usable AC performance. Within the signal-chain hierarchy, it sits between general-purpose amplifiers and instrumentation amplifiers, and the OPA627 belongs to TI's (originally Burr-Brown) Difet family, where dielectric isolation of JFETs dramatically reduces input capacitance and leakage compared to conventional junction-isolated processes. Key differentiating features include the combination of high speed (16 MHz, 55 V/us) with true precision DC accuracy, JFET input for extremely low bias current, and industrial temperature grade options. The 'B' grade suffix denotes tighter offset and drift limits; the 'P' suffix denotes the plastic 8-pin DIP package. Architecturally, the Difet process places a dielectric layer around FET structures, yielding low input capacitance and low input bias current that remain stable over temperature. This is why the OPA627 achieves sub-microvolt-per-degree drift together with wideband dynamics - a combination rarely met by CMOS or bipolar alternatives of its era. Typical applications include high-fidelity audio preamplifiers and headphone amplifiers, precision integrators and photodiode transimpedance stages, active filters, and data-acquisition front ends where both DC accuracy and 16 MHz bandwidth are required. Design consideration: to preserve stability, follow the datasheet layout guidance - keep feedback resistance values moderate and decouple supplies close to pins 4 and 7; the decompensated sibling OPA637 (minimum stable gain of 5) is not a unity-gain-stable substitute. This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not consolidated in the manufacturer datasheet, with prices as of 2026-09-13.
OPA627SM - Precision JFET Op Amp 55V/us TO-99-8 | TI
The Texas Instruments OPA627SM is a precision, high-speed JFET-input operational amplifier delivering 55 V/us slew rate, 0.8 uV/C maximum offset drift, and 16 MHz unity-gain bandwidth in an 8-pin TO-99 metal can package rated for ±18 V (36 V) supplies. A low-dropout linear regulator is a voltage regulator; an operational amplifier is an analog signal-chain building block that amplifies the voltage difference between two inputs, sitting within the broader hierarchy of amplifier ICs inside precision analog front ends. The OPA627 family is fabricated on a high-speed dielectrically isolated (DI) process, which separates the JFET input stage from the output stage and enables a rare combination of precision DC accuracy and 55 V/us speed: maximum offset voltage of 100 uV, input bias current of a few picoamperes, and low noise of 4.5 nV/sqrt(Hz) at 1 kHz. Compared with the older OPA111, the OPA6x7 family offers lower noise, lower offset, and significantly higher speed. Key differentiating specifications include the 0.8 uV/C max drift (which eliminates calibration in precision gain stages), 55 V/us slew rate for wide-dynamic-range AC signals, and 16 MHz gain-bandwidth product with unity-gain stability. The SM grade denotes TI's premium grade in the metal can package with tightened limits for offset and drift. Typical applications include precision photo-diode and integrator amplifiers, DAC output I/V conversion, professional and high-end audio preamplifiers, and test-and-measurement signal conditioning where a fast-settling, low-offset JFET amplifier is required. Design consideration: as a JFET op amp, bias current doubles roughly every 10 C, so thermal management of surrounding circuitry matters at high accuracy targets; TI recommends a compensating network and proper decoupling per the datasheet. This page synthesizes distributor pricing, drop-in same-package alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
OPA637AM - Precision High-Speed DiFET Op Amp | Texas Instruments
The Texas Instruments OPA637AM is a precision high-speed DiFET (dielectrically isolated FET) operational amplifier supplied in a TO-99-8 metal can package, featuring a maximum input offset voltage of 100 uV, a maximum offset drift of 0.8 uV/C, and a maximum input bias current of 5 pA. Unlike its unity-gain-stable sibling OPA627, the OPA637 is de-compensated and stable only at closed-loop gains of 5 or greater, which enables significantly higher bandwidth in high-gain configurations. An operational amplifier is a high-gain DC-coupled voltage amplifier with differential inputs and a single-ended output, forming the foundational building block of the analog signal chain hierarchy: op amp -> amplifier IC -> analog IC -> semiconductor. Precision high-speed op amps such as the OPA637 combine the low input bias current of a JFET-input (DiFET) process with the speed required for fast-settling data acquisition systems. Key differentiating features include very low noise at 10 kHz, a fast settling time to 0.01% accuracy, low offset voltage (100 uV max), and extremely low bias current (5 pA max) enabled by the DiFET process. The metal TO-99-8 can provides superior EMI shielding and thermal performance compared to plastic packages. The DiFET architecture uses dielectrically isolated FET input transistors on a bipolar process, achieving both precision DC accuracy and wideband AC performance. The de-compensated internal design removes the internal compensation capacitor overhead, delivering higher slew rate and gain-bandwidth at gains above 5. Typical applications include high-speed data acquisition, precision pulse amplification, photodiode transimpedance amplification at high gain, and professional audio and instrumentation signal chains where low noise and fast settling are both required. Design consideration: because the OPA637 is only stable at gains of 5 or above, do not use it in unity-gain buffer configurations; choose the pin-compatible OPA627AM instead for gain-of-1 applications. This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet.
OPA637AP - 80MHz Precision Difet Op Amp DIP-8 | Texas Instruments
The Texas Instruments OPA637AP is a precision high-speed Difet (dielectrically isolated FET) operational amplifier delivering 80 MHz unity-gain bandwidth and 135 V/us slew rate, supplied in an 8-pin PDIP package and operating from dual supplies of +/-4.5V to +/-18V. A high-speed operational amplifier is a voltage-feedback amplifier designed to combine wide bandwidth with DC precision, sitting within the hierarchy: op-amp -> precision amplifier -> analog signal conditioning IC -> semiconductor. Where general-purpose amplifiers trade speed for accuracy, precision high-speed parts like the OPA637 preserve both, enabling high-dynamic-range analog signal chains. Key features of the OPA637AP include a very low maximum offset voltage of 100 uV, a maximum offset drift of 0.8 uV/C, and a maximum input bias current of only 5 pA thanks to the Difet (dielectrically isolated FET) input process. The amplifier settles fast to 0.01% accuracy and is unity-gain bandwidth specified at 80 MHz. Unlike its sibling OPA627, which is unity-gain stable, the OPA637 is stable only at closed-loop gains of 5 or greater - the compensation scheme de-compensates the amplifier to achieve its higher bandwidth, which is why the 80 MHz figure exceeds the OPA627's. The Difet process uses dielectric isolation rather than junction isolation, sharply reducing input capacitance and leakage. This yields the picoampere-class bias current and low noise typically associated with JFET-input precision amplifiers while preserving the high slew rate needed for fast pulse and wideband AC signals. Typical applications include wideband data-acquisition front ends, fast pulse amplification in test and measurement instruments, photodiode transimpedance stages with high closed-loop gain, and active filters in precision instrumentation. A key design consideration: because the OPA637 requires a minimum closed-loop gain of 5 for stability, do not substitute it for the unity-gain-stable OPA627 in follower configurations. Verify noise-gain margins and use good high-frequency PCB layout with short feedback paths. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
OPA637AU - Precision High-Speed Difet Op Amp | TI | Gain ≥5
The Texas Instruments OPA637AU is a precision high-speed Difet (dielectrically isolated FET) operational amplifier delivering 16 MHz bandwidth, 100 uV maximum input offset voltage, and 5 pA maximum input bias current in an 8-pin SOIC (D) package. Unlike its unity-gain-stable sibling OPA627, the OPA637 is decompensated and stable only at closed-loop gains of 5 or greater, which allows roughly twice the bandwidth and slew rate of the OPA627 in the same silicon. An operational amplifier is a high-gain differential voltage amplifier that forms the core building block of analog signal chains. Within the amplifier hierarchy, precision JFET-input and Difet op-amps occupy the segment between general-purpose bipolar amplifiers and ultra-fast current-feedback parts, combining very low input bias current with high speed and low noise. The Difet process uses dielectric isolation to reduce junction capacitances, enabling the OPA637's speed without sacrificing the picoampere-level bias current characteristic of JFET inputs. Key differentiating features include very low input voltage noise at 10 kHz, fast settling to 0.01% accuracy, maximum input offset voltage of 100 uV, and maximum offset drift of 0.8 uV/C. These parameters matter directly in precision measurement front ends, where offset error and drift accumulate as systematic error, and in wideband stages where noise sets the achievable dynamic range. Laser trimming of the input stage achieves the tight offset specification. Technically, the decompensated internal compensation capacitor is sized for a minimum noise gain of 5, trading phase margin at low gains for extended bandwidth and slew rate in high-gain configurations. This makes the part well suited to I/V conversion from photodiodes, gain-of-5 and higher instrumentation amplifier input stages, active filters, and DAC output buffering in high-resolution systems. Typical applications include precision data acquisition front ends, photodiode transimpedance amplifiers, professional audio equipment, and test and measurement instrumentation. The pA-level bias current preserves accuracy with high-impedance sources, while the 16 MHz-class bandwidth supports fast settling after transients. A critical design consideration: never use the OPA637 at closed-loop gains below 5, as it will oscillate; choose the pin-compatible OPA627 in the same SOIC-8 footprint for unity-gain applications. Proper supply decoupling with 0.1 uF ceramic capacitors at both rails is essential at these speeds. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with verified data as of 2026-09-13.
OPA637AU/2K5 - 80MHz Precision Difet Op-Amp | TI
The Texas Instruments OPA637AU/2K5 is a precision high-speed Difet (dielectrically isolated JFET) operational amplifier delivering 80 MHz bandwidth and 135 V/µs slew rate in an 8-pin SOIC (D) package, supplied in tape-and-reel packaging with 2500 units per reel. A precision high-speed operational amplifier is a voltage-feedback amplifier that combines wide signal bandwidth with DC accuracy specifications normally reserved for precision instrumentation amplifiers. Within the amplifier hierarchy, the OPA637 sits in the precision JFET-input family: operational amplifier -> high-speed amplifier -> Difet precision op-amp -> signal conditioning IC. Its dielectrically isolated (Difet) JFET process achieves speed without sacrificing the low input bias current that JFET inputs provide. Key features include very low input noise at 10 kHz, fast settling to 0.01%, low offset voltage (100 µV max for the A grade), low drift (0.8 µV/°C max), and extremely low input bias current (5 pA max). The supply range spans ±4.5 V to ±18 V, allowing operation on standard ±15 V analog rails. Technically, the OPA637 is decompensated: unlike its unity-gain-stable sibling OPA627, the OPA637 is stable only in closed-loop gains of 5 or greater. This internal compensation trade-off is exactly what enables the 80 MHz bandwidth and 135 V/µs slew rate; at gain ≥5 it outpaces unity-gain-stable competitors while retaining Difet DC precision. Typical applications include photodiode transimpedance amplifiers with high closed-loop gain, fast precision data-acquisition front ends, video and broadband signal conditioning, and DAC output I/V conversion where both speed and sub-millivolt DC accuracy matter. Design consideration: verify every circuit using the OPA637 operates at closed-loop gain ≥5; substituting it directly for a unity-gain-stable op-amp (such as the OPA627 in the same package) will cause oscillation. This page synthesizes verified distributor pricing, drop-in alternatives within the OPA637 family, and design notes not found in the manufacturer datasheet.
OPA637BP - 80MHz Precision Difet Op Amp DIP-8 | Texas Instruments
The Texas Instruments OPA637BP is a precision high-speed Difet (dielectrically isolated FET) operational amplifier delivering an 80 MHz unity-gain crossover and a 135 V/us slew rate, powered from supplies of plus/minus 4.5 V to plus/minus 18 V in an 8-pin PDIP (DIP-8) package. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output that, with external feedback networks, forms the basis of amplifiers, filters, integrators, buffers, and precision signal-conditioning stages within the broader hierarchy of analog signal-chain ICs. JFET-input and Difet-process op amps combine the low input bias current of field-effect inputs with the speed of dielectrically isolated bipolar processes, occupying a niche between general-purpose CMOS and fully bipolar high-speed amplifiers. Key features of the OPA637BP include very low input offset voltage of 100 uV maximum, offset drift of 0.8 uV/C maximum, and input bias current of 5 pA maximum - values enabled by the JFET input stage. Compared to the popular OPA111, the OPA6x7 family offers lower noise, lower offset, and higher speed. The B-grade OPA637BP provides tighter precision than the A-grade OPA637AP. Technically, the OPA637 is fabricated on a high-speed dielectrically isolated complementary NPN/PNP (Difet) process. Critically, it is decompensated: unlike the unity-gain-stable OPA627, the OPA637 is stable only at closed-loop gains of 5 or greater, which permits its higher bandwidth and slew rate. Designs using the OPA637 in gain below 5 will oscillate. Typical applications include precision ADC/DAC buffering and I/V conversion, photodiode transimpedance amplifiers, high-speed data-acquisition front ends, and professional audio and test instrumentation stages where gain is configured at 5 or higher. Design consideration: verify the noise-gain of your topology is at least 5 V/V; for unity-gain buffering use the OPA627 instead. Also respect the 135 V/us slew rate when driving large signals to avoid distortion from slew limiting. This page adds distributor pricing tiers, pin-compatible alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.
OPA698 - 450MHz Voltage Limiting Amplifier | Texas Instruments
The Texas Instruments OPA698 is a wideband, unity-gain stable voltage-feedback operational amplifier with bipolar output voltage limiting, delivered in an 8-pin SOIC (D) surface-mount package. It provides a -3dB bandwidth of 450MHz at a gain of +1, a gain bandwidth product of 250MHz, and fast 1ns recovery from overdrive, with limiting voltage accuracy of +/-10mV. A voltage-limiting amplifier is a special class of operational amplifier in the broader amplifier IC hierarchy (amplifier -> op amp -> voltage-feedback amplifier -> voltage-limiting amplifier). Unlike a standard op amp, the OPA698 uses two buffered limiting voltage inputs that take control of the output whenever the output attempts to drive beyond these programmed limits, protecting downstream components such as high-speed ADCs from overvoltage. Key features include high linearity near the limiting threshold, extremely fast overdrive recovery (1ns) that eliminates the long settling tails typical of conventional op amps driven into saturation, and precise ±10mV limiting accuracy. Because it is unity-gain stable, the OPA698 can be used at any gain from +1 upward without external compensation, simplifying design of wideband signal chains. Architecture-wise, the voltage-feedback topology with the bipolar limiting stage delivers an accurate, hard clipping characteristic that is independent of gain-setting resistors. The limiting thresholds are set by buffered external voltages, so the clip level can be adjusted dynamically in-circuit, unlike diode clamps which add distortion and leakage. Typical applications include protection of high-speed analog-to-digital converter inputs in communications receivers, limiting amplifiers in IF/RF signal chains, test and measurement front ends, and video or instrumentation paths where output excursion must be tightly bounded. As of 2026-08-30 the OPA698IDR is listed on DigiKey as an active, in-stock part. Design tip: keep the limiting input source impedance low and the threshold voltages within the recommended range to preserve the ±10mV limiting accuracy; use short, direct feedback traces and solid ground plane for the 450MHz bandwidth operation.
OPA699M - Gain +4 Stable Voltage Limiting Amplifier | TI
The Texas Instruments OPA699M is a wideband, voltage-feedback operational amplifier with bipolar output voltage limiting, stable for closed-loop gains of +4 and above. It is supplied in an industry-standard 8-pin CDIP (ceramic dual in-line) package and is specified over the full military temperature range of -55C to +125C. A voltage limiting amplifier is a specialized op amp that clamps its output voltage to externally defined positive and negative levels, protecting downstream circuitry such as ADCs and comparators from overdrive. In the signal-chain hierarchy, the OPA699M sits between general-purpose high-speed op amps and dedicated limiters, combining wideband amplification with an integrated limiting function. Key features include independent bipolar output limiting with fast recovery time, high slew rate, and low distortion when returning from a limited state. The device offers a typical bandwidth of 200 MHz at gain +4, operates from dual supplies of ±5V to ±12V, and delivers up to ±80 mA of output current, allowing it to drive low-impedance loads and transmission lines directly. Architecturally, the OPA699M uses a voltage-feedback topology with a wideband input stage and external clamp resistors that set the limit thresholds, giving designers flexibility to align limiting levels with system requirements. The ceramic CDIP-8 package provides hermeticity and thermal robustness required in military and aerospace platforms. Typical applications include high-speed ADC drivers, video distribution and line drivers, pulse amplifiers, radar and communications receivers, and test instrumentation - anywhere signal overshoot must be bounded while preserving bandwidth. Design tip: use precision resistors to set the clamp levels and minimize parasitic capacitance at the output node to optimize recovery time; adequate supply decoupling is essential for stability at high gain.
OPA735AIDR - Zero-Drift 1.6MHz CMOS Op Amp, 5uV | TI
The Texas Instruments OPA735AIDR is a single-channel, zero-drift CMOS operational amplifier in an 8-pin SOIC package offering 5 uV maximum offset voltage, 1.6 MHz gain-bandwidth product, and rail-to-rail output swing within 50 mV of either rail. Housed in industry-standard SOIC-8 surface-mount package, it provides high input impedance, single-supply operation from 2.7 V to 12 V, and near-zero drift over time and temperature using auto-zeroing techniques. A zero-drift operational amplifier is a precision analog amplifier that uses internal calibration (chopping or auto-zeroing) to continuously correct its input offset voltage, eliminating the 1/f noise and temperature drift that limit conventional CMOS op amps. Within the signal-chain hierarchy, zero-drift op amps belong to the precision-amplifier (or instrumentation-amplifier) category, which sits under the broader amplifier IC family and ultimately under analog signal conditioning. The OPA735's 5 uV max VOS and 0.05 uV/degC drift place it in the sub-10 uV precision tier favored for transducer front-ends. Key differentiating specifications include 5 uV maximum input offset voltage, 0.05 uV/degC maximum offset drift, 1.6 MHz GBW, 115 dB CMRR, 1.6 mA typical quiescent current, and 50 mV rail-to-rail output headroom. The device supports both single and bipolar supplies (e.g., +5 V, +/-2.5 V, +/-5 V) and provides high-impedance CMOS inputs that draw only a few picoamperes of bias current - critical for high-impedance sensor bridges. Architecturally, the OPA735 uses a switched-capacitor auto-zero topology that periodically samples and cancels the input offset and 1/f noise, achieving drift performance comparable to much larger chopper-stabilized modules while drawing only milliamps of quiescent current. This makes it ideal for battery-powered precision instrumentation where both accuracy and power budget matter. Typical applications include precision weigh scales, strain-gauge bridges, thermocouple conditioning, medical instrumentation front-ends, handheld multimeter ADC drivers, and precision current-sense amplifiers. Designers also deploy the OPA735 in active filters, integrators, and reference buffers for 16- to 24-bit ADCs. When laying out the PCB, place the 0.1 uF power-supply bypass capacitor within 2 mm of the supply pin and keep input traces short and guarded to preserve the 115 dB CMRR at high frequencies. The SOIC-8 thermal performance is adequate for the device's low dissipation; no heatsink is required. This page synthesizes distributor pricing, drop-in pin-compatible alternatives (including the OPA734 companion and cross-brand equivalents), and practical layout notes not found in the standalone datasheet.
OPA810IDCKR - 140MHz RRIO FET-Input Op Amp | TI SC70-5
The Texas Instruments OPA810IDCKR is a single-channel, FET-input, voltage-feedback operational amplifier with rail-to-rail input and output (RRIO) capability, supplied in a 5-pin SC-70 (DCK) package. It provides a small-signal unity-gain bandwidth of 140 MHz, a low quiescent current of 3.7 mA per channel, and a wide supply range that supports ±27 V (or 0 V to 27 V single-supply) operation. According to the TI datasheet, the OPA810 is fabricated on Texas Instruments' proprietary high-speed SiGe BiCMOS process, achieving significant performance improvements versus comparable FET-input amplifiers at similar quiescent current levels. An operational amplifier (op amp) is an analog active device that amplifies the difference between two input voltages and drives a single-ended output. FET-input op amps use junction field-effect transistors at the input stage, producing input bias currents in the picoampere (pA) range - orders of magnitude lower than bipolar-input alternatives. The OPA810 belongs to the high-speed, low-noise, low-bias-current sub-category of FET-input amplifiers, positioned between TI's general-purpose CMOS-input op amps and its ultra-precision zero-drift families. Key features include a 140 MHz unity-gain bandwidth, 80 V/µs slew rate, FET-input bias current typically in the pA range, rail-to-rail input and output swing, low input offset voltage, low THD+N at audio frequencies, and integrated shutdown logic on dual-channel variants. The SC-70-5 package occupies roughly 2.1 mm × 2.1 mm of PCB area and supports -40 °C to +125 °C extended industrial temperature operation. The device is unity-gain stable and supports capacitive loads up to several nanofarads without external compensation. Architecturally, the OPA810 uses SiGe BiCMOS fabrication, allowing high-speed NPN transistors in the signal path alongside CMOS biasing and shutdown logic. This achieves the noise and bandwidth of more expensive bipolar parts while preserving the high input impedance and ultra-low bias current of FET input stages. The RRIO topology maximizes dynamic range on low-voltage supplies, while dual-channel variants integrate a logic-level shutdown pin. Typical applications include high-impedance analog sensor front-ends (pH electrodes, photodiodes, piezoelectric transducers), test and measurement front-ends, ADC and DAC input/output buffers, motor and solenoid drive stages, photomultiplier amplifier chains, audio line drivers and headphone buffers, and high-side/low-side current-sense amplifiers. The wide supply range also makes it useful in 24 V industrial signal chains. When designing with the OPA810IDCKR, observe standard SOT-23-class PCB layout - bypass capacitors within 1 mm of the supply pins, a ground plane underneath the part, and minimal input trace lengths. Maintain feedback resistors below approximately 10 kΩ to preserve phase margin with the capacitive input of downstream ADCs. This page synthesizes distributor pricing, drop-in alternatives, and PCB-level design guidance not found in the raw manufacturer datasheet, optimized for engineers sourcing the OPA810IDCKR for production-grade analog front-end designs.