圖片僅供參考
規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | J-FET |
| NumberofCircuits | 2 |
| OutputType | Rail-to-Rail |
| SlewRate | 20V/µs |
| GainBandwidthProduct | 11 MHz |
| Current-InputBias | 0.5 pA |
| Voltage-InputOffset | 30 µV |
| Current-Supply | 1.8mA (x2 Channels) |
| Current-Output/Channel | 36 mA |
| Voltage-SupplySpan(Min) | 4.5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The OPA2140AIDR is a precision operational amplifier (op-amp) manufactured by Texas Instruments. It is part of the OPA2140 series, known for its ultra-low noise, high precision, and wide bandwidth. This op-amp operates with a very low input offset voltage and drift, making it ideal for high-accuracy applications. It features a wide supply voltage range from ±4 V to ±18 V, allowing for versatility in various circuit designs.
The device offers a low input bias current, high common-mode rejection ratio (CMRR), and power supply rejection ratio (PSRR), which contribute to its stability and reliability in precision applications. With a low total harmonic distortion (THD) and wide gain bandwidth product, the OPA2140AIDR is suitable for applications requiring high fidelity and fast response times.
The "AIDR" in its designation indicates a specific package type and temperature range, suitable for extended industrial applications. It is commonly used in precision instrumentation, active filters, data acquisition systems, and medical equipment where high performance and precision are essential.
The device offers a low input bias current, high common-mode rejection ratio (CMRR), and power supply rejection ratio (PSRR), which contribute to its stability and reliability in precision applications. With a low total harmonic distortion (THD) and wide gain bandwidth product, the OPA2140AIDR is suitable for applications requiring high fidelity and fast response times.
The "AIDR" in its designation indicates a specific package type and temperature range, suitable for extended industrial applications. It is commonly used in precision instrumentation, active filters, data acquisition systems, and medical equipment where high performance and precision are essential.
Equivalent
The OPA2140AIDR is a precision operational amplifier from Texas Instruments. Equivalent products to consider include the AD8512 from Analog Devices, which offers similar precision and low noise characteristics. Also, the LT6016 from Analog Devices can be a suitable alternative, providing low offset voltage and low input bias current. Always check the specific parameters and application requirements, as slight differences might exist among these alternatives.
Features
The OPA2140AIDR is a precision operational amplifier known for its low noise and wide supply voltage range. Key features include:
1. Low Offset Voltage: It has a low offset voltage of typically 120 μV, which enhances precision in applications requiring high accuracy.
2. Low Noise: The amplifier exhibits low voltage noise density of 5.3 nV/√Hz, making it suitable for low-noise applications.
3. Wide Supply Voltage Range: The OPA2140AIDR can operate on a wide supply voltage range from ±2.25V to ±18V (or 4.5V to 36V), providing flexibility in different circuit designs.
4. High Slew Rate: It offers a slew rate of 20 V/μs, allowing for fast signal processing.
5. Rail-to-Rail Output: The amplifier provides rail-to-rail output swing, maximizing dynamic range.
6. Low Input Bias Current: Its low input bias current of 10 pA is ideal for high-impedance sensor interfaces.
7. Temperature Range: It operates over a wide temperature range from -40°C to +125°C, suitable for industrial and automotive applications.
These features make the OPA2140AIDR ideal for precision instrumentation, sensor conditioning, and other high-performance applications.
1. Low Offset Voltage: It has a low offset voltage of typically 120 μV, which enhances precision in applications requiring high accuracy.
2. Low Noise: The amplifier exhibits low voltage noise density of 5.3 nV/√Hz, making it suitable for low-noise applications.
3. Wide Supply Voltage Range: The OPA2140AIDR can operate on a wide supply voltage range from ±2.25V to ±18V (or 4.5V to 36V), providing flexibility in different circuit designs.
4. High Slew Rate: It offers a slew rate of 20 V/μs, allowing for fast signal processing.
5. Rail-to-Rail Output: The amplifier provides rail-to-rail output swing, maximizing dynamic range.
6. Low Input Bias Current: Its low input bias current of 10 pA is ideal for high-impedance sensor interfaces.
7. Temperature Range: It operates over a wide temperature range from -40°C to +125°C, suitable for industrial and automotive applications.
These features make the OPA2140AIDR ideal for precision instrumentation, sensor conditioning, and other high-performance applications.
Pinout
The OPA2140AIDR is a precision operational amplifier from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin functions:
1. Pin 1 (OUTA): Output of the first operational amplifier (Op-Amp A).
2. Pin 2 (INA−): Inverting input of Op-Amp A.
3. Pin 3 (INA+): Non-inverting input of Op-Amp A.
4. Pin 4 (V−): Negative power supply voltage (ground if using a single supply).
5. Pin 5 (INB+): Non-inverting input of Op-Amp B.
6. Pin 6 (INB−): Inverting input of Op-Amp B.
7. Pin 7 (OUTB): Output of the second operational amplifier (Op-Amp B).
8. Pin 8 (V+): Positive power supply voltage.
These pins allow the OPA2140AIDR to perform various operations, such as signal amplification and filtering, in applications requiring high precision and low noise.
1. Pin 1 (OUTA): Output of the first operational amplifier (Op-Amp A).
2. Pin 2 (INA−): Inverting input of Op-Amp A.
3. Pin 3 (INA+): Non-inverting input of Op-Amp A.
4. Pin 4 (V−): Negative power supply voltage (ground if using a single supply).
5. Pin 5 (INB+): Non-inverting input of Op-Amp B.
6. Pin 6 (INB−): Inverting input of Op-Amp B.
7. Pin 7 (OUTB): Output of the second operational amplifier (Op-Amp B).
8. Pin 8 (V+): Positive power supply voltage.
These pins allow the OPA2140AIDR to perform various operations, such as signal amplification and filtering, in applications requiring high precision and low noise.
Manufacturer
The OPA2140AIDR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including analog and digital integrated circuits. TI serves various industries, including automotive, industrial, consumer electronics, and communications. The company is known for its innovation in the semiconductor space and its extensive portfolio of products that support advancements in technology.
Application
The OPA2140AIDR is a precision operational amplifier used in various applications requiring high performance and low noise. Key application areas include:
1. Analog Signal Processing: Ideal for precision amplification in audio and instrumentation systems.
2. Data Acquisition Systems: Enhances signal quality in ADCs and DACs.
3. Medical Instrumentation: Used in ECG, EEG, and other sensitive medical devices due to its low noise and precision.
4. Industrial Control Systems: Suitable for precise control and monitoring in automation.
5. Test and Measurement Equipment: Provides accurate signal conditioning in oscilloscopes and multimeters.
These applications benefit from the amplifier's wide bandwidth, low input bias current, and high slew rate.
1. Analog Signal Processing: Ideal for precision amplification in audio and instrumentation systems.
2. Data Acquisition Systems: Enhances signal quality in ADCs and DACs.
3. Medical Instrumentation: Used in ECG, EEG, and other sensitive medical devices due to its low noise and precision.
4. Industrial Control Systems: Suitable for precise control and monitoring in automation.
5. Test and Measurement Equipment: Provides accurate signal conditioning in oscilloscopes and multimeters.
These applications benefit from the amplifier's wide bandwidth, low input bias current, and high slew rate.
Package
The OPA2140AIDR is an operational amplifier from Texas Instruments, housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. This type of package is compact, suitable for surface-mount technology, and widely used in various electronic applications for its small footprint and reliability.
