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OPA228U
+BOM-
メーカーSTマイクロエレクトロニクス
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メーカー品番 #OPA228U
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在庫状況1896
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Amplifier Type | General Purpose |
| Number of Circuits | 1 |
| Slew Rate | 11V/µs |
| Gain Bandwidth Product | 33 MHz |
| Current - Input Bias | 2.5 nA |
| Voltage - Input Offset | 5 µV |
| Supply Current | 3.7mA |
| Current - Output / Channel | 45 mA |
| Voltage - Supply Span(Min) | 5 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
概要
Description
Key features of the OPA228U include:
- Low Voltage Noise: Offers low voltage noise density, which is ideal for applications requiring low-noise amplification of small signals.
- High Slew Rate: Delivers a high slew rate that supports high-speed processing, advantageous for fast data acquisition systems.
- Low Distortion: Ensures signal integrity with minimal distortion, making it suitable for audio applications and precision measurements.
- Wide Bandwidth: Provides a wide gain bandwidth, accommodating a variety of high-frequency applications.
- Precision DC Performance: Exhibits low offset voltage and drift, supporting applications needing stable and precise measurements.
Common applications include high-fidelity audio systems, precision data acquisition systems, and instrumentation. The combination of low noise and wide bandwidth makes the OPA228U a versatile choice for engineers seeking reliable performance in precision analog circuits.
Equivalent
Features
1. Low Noise: The amplifier offers low voltage noise density, typically around 3 nV/√Hz, which is beneficial for high-accuracy applications.
2. Low Offset Voltage: It has a low offset voltage, typically around 75 µV, which enhances precision in signal processing.
3. Low Drift: The drift over temperature is minimal, leading to stable performance across varying conditions.
4. High Slew Rate: With a slew rate of approximately 20 V/µs, it can handle fast signal changes effectively.
5. Wide Bandwidth: The device features a wide gain bandwidth product, typically 33 MHz, suitable for high-frequency applications.
6. Low Distortion: It maintains low total harmonic distortion, crucial for audio and other high-fidelity applications.
7. Wide Supply Range: The OPA228U operates over a wide supply voltage range (±2.5 V to ±18 V), providing flexibility for various power requirements.
These features make the OPA228U suitable for applications requiring high precision and stability, such as instrumentation, data acquisition, and medical equipment.
Pinout
1. Pin 1 (Offset Null/V+): Used for offset null adjustment or may be connected to a positive voltage supply.
2. Pin 2 (Inverting Input, -IN): The inverting input of the op-amp.
3. Pin 3 (Non-inverting Input, +IN): The non-inverting input of the op-amp.
4. Pin 4 (V-): The negative power supply pin.
5. Pin 5 (Offset Null): Used for offset null adjustment.
6. Pin 6 (Output, OUT): The output of the op-amp.
7. Pin 7 (V+): The positive power supply pin.
8. Pin 8 (NC or No Connection): Typically not connected.
The OPA228U is designed for high precision applications, featuring low noise, low distortion, and high speed, making it suitable for use in audio processing, data acquisition, and instrumentation systems.
Manufacturer
Application
1. Data Acquisition Systems: Enhances signal integrity with precise measurement.
2. Medical Instrumentation: Utilized in diagnostic equipment for accurate signal processing.
3. Audio Equipment: Ensures low distortion and noise for high-fidelity audio.
4. Industrial Controls: Provides stable and precise control signals.
5. Test and Measurement Devices: Used in oscilloscopes and voltmeters for accurate readings.
6. Transducer Amplifiers: Improves sensor output signal quality.
Its robust performance makes it suitable for both analog circuit designs and precision digital-to-analog/analog-to-digital converters.