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The OPA2990IDR is a general-purpose dual operational amplifier manufactured by Texas Instruments, featuring rail-to-rail input and output performance. It integrates low power consumption and high stability, widely applicable to various precision signal conditioning scenarios.
Category:Integrated Circuits (ICs),Linear,Amplifiers,Instrumentation, Op Amps, Buffer Amps
Voltage - Input Offset:300 µV
Mfr:Texas Instruments
Current - Supply:130µA (x2 Channels)
Packaging:Tape & Reel
Current - Output / Channel:80 mA
Part Status:Active
Voltage - Supply Span (Min):2.7 V
Amplifier Type:Standard (General Purpose)
Voltage - Supply Span (Max):40 V
Number of Circuits:2
Operating Temperature:-40°C ~ 125°C (TA)
Output Type:Rail-to-Rail
Mounting Type:Surface Mount
Slew Rate:4.5V/µs
Package / Case:8-SOIC (0.154", 3.90mm Width)
Gain Bandwidth Product:1.1 MHz
Current - Input Bias:10 pA
Low Offset:This op amp has a low input offset voltage of 300 µV and minimal offset voltage drift, effectively reducing signal distortion and measurement errors in precision signal processing.
Ultra-Low Bias:It features an extremely low input bias current of 10 pA, which is suitable for high-impedance sensor signal acquisition and weak signal detection scenarios to avoid signal attenuation.
Wide Voltage:Supporting a wide supply voltage range from 2.7 V to 40 V, it adapts to various single and dual power supply working modes and meets diverse industrial power supply conditions.
Rail-to-Rail:Equipped with rail-to-rail input and output capability, it maximizes the dynamic range of output signals and improves the utilization rate of power supply voltage.
Low Power:The dual-channel supply current is only 130 µA, realizing low-power operation, which helps reduce system power consumption and extend the service life of battery-powered devices.
Stable Performance:With a slew rate of 4.5 V/µs and a 1.1 MHz gain bandwidth product, it delivers stable signal amplification for medium and low-frequency signals, and supports reliable operation in -40°C to 125°C wide temperature range.
High Drive:Each channel provides a high output current of 80 mA, enabling strong capacitive load drive capacity and adapting to various peripheral load circuits.
Sensor Amplification:It is used for signal amplification and conditioning of temperature, pressure and humidity sensors. Its low bias current and low offset voltage ensure the accuracy of weak sensor signal collection.
Voltage Buffering:Serves as a precision reference voltage buffer for power supply modules and data acquisition systems, stabilizing reference voltage signals and avoiding signal fluctuation caused by load changes.
MOSFET Driving:Applied to drive MOSFET gates in small switching circuits and power control units. Its high output current provides stable driving signals for MOSFET switching.
Cable Shield Drive:Used for driving cable shielding layers in short-distance signal transmission circuits, reducing electromagnetic interference and improving the anti-interference ability of transmission signals.
Data Acquisition:Matches with ADC modules in industrial data acquisition cards to amplify and filter analog input signals, improving the sampling accuracy of digital-to-analog conversion.
Portable Devices:Applied to battery-powered portable detection instruments and handheld sensors. Its ultra-low power consumption effectively reduces device energy consumption and prolongs working time.
The OPA2990IDR is a high-cost-performance dual operational amplifier with outstanding low-power, low-error and wide-temperature working advantages. It is a reliable choice for precision signal conditioning, industrial control and portable electronic device design.
Industry Information
