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OPA124U
+BOM-
ManufacturerTexas Instruments
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Mfr. Part #OPA124U
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In Stock7661
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Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| Series | Difet® |
| ProductStatus | Obsolete |
| AmplifierType | General Purpose |
| NumberofCircuits | 1 |
| SlewRate | 1.6V/µs |
| GainBandwidthProduct | 1.5 MHz |
| Current-InputBias | 1 pA |
| Voltage-InputOffset | 200 µV |
| Current-Supply | 2.5mA |
| Current-Output/Channel | 10 mA |
| Voltage-SupplySpan(Min) | 10 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -25°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
Key characteristics of the OPA124U include:
1. Low Input Offset Voltage: This feature minimizes the error introduced by the amplifier itself, crucial for high-precision applications.
2. Low Bias Current: Ensures minimal current draw from the input source, which is particularly beneficial in interfacing with high-impedance sensors.
3. Low Noise: The amplifier's low noise performance makes it ideal for applications like medical instrumentation and precision measurement systems.
4. Wide Supply Range: Its ability to operate over a broad range of supply voltages makes it versatile and adaptable to different circuit requirements.
Overall, the OPA124U is well-suited for applications that demand high precision and low noise, such as medical equipment, data acquisition systems, and high-quality audio equipment.
Equivalent
1. AD820 from Analog Devices
2. LT1007 from Analog Devices (formerly Linear Technology)
3. TL071 from Texas Instruments
4. MAX406 from Maxim Integrated
When selecting an equivalent, ensure parameters like input offset voltage, bias current, bandwidth, and package type match your application's requirements. Always consult the respective datasheets for precise comparisons.
Features
1. Low Offset Voltage: The OPA124U exhibits a low offset voltage, minimizing the need for external calibration in precision applications.
2. Low Noise: It offers low voltage noise density, making it suitable for applications requiring high signal integrity.
3. Wide Bandwidth: The amplifier provides a wide bandwidth, ensuring it can handle fast signal processing tasks.
4. High Slew Rate: This feature allows the OPA124U to respond quickly to rapid changes in input signals, enhancing performance in dynamic applications.
5. Low Bias Current: The device features low input bias current, which is advantageous in maintaining signal accuracy, especially in high-impedance applications.
6. High Open-Loop Gain: This ensures the amplifier maintains accuracy and linearity over a wide range of operating conditions.
7. Wide Supply Range: The OPA124U can operate over a broad supply voltage range, offering flexibility in various circuit designs.
These features make the OPA124U ideal for precision measurement, data acquisition systems, and instrumentation applications.
Pinout
1. V+ (Pin 8): Positive power supply voltage.
2. V- (Pin 4): Negative power supply voltage (ground in single-supply applications).
3. Non-inverting Input (Pin 3): Receives the input signal to be amplified.
4. Inverting Input (Pin 2): Used for feedback and amplification, typically connected to the output or ground for inverting configurations.
5. Output (Pin 6): Provides the amplified signal.
6. NC (Pins 1, 5, 7): No Connect or not internally connected, sometimes used for mechanical stability.
The OPA124U is renowned for its low bias current and low noise, making it suitable for precision instrumentation and sensor signal conditioning. It operates well in a range of supply voltages and has a high input impedance, which helps in minimizing errors in precision applications.
Manufacturer
Application
1. Instrumentation: Ideal for sensitive measurement equipment and precision instrumentation systems.
2. Data Acquisition: Used in systems needing accurate signal conversion and processing.
3. Medical Devices: Common in imaging and diagnostic equipment due to its low noise performance.
4. Sensor Signal Conditioning: Suitable for amplifying signals from sensors like strain gauges and thermocouples.
5. Test and Measurement Equipment: Used in devices requiring precise voltage and current measurements.
6. Audio Applications: Employed in high-fidelity audio systems where low distortion is critical.
Its low offset voltage and drift make it suitable for applications demanding high precision and stability.