画像は参考用です
OPA227U/2K5
+BOM-
メーカーSTマイクロエレクトロニクス
-
メーカー品番 #OPA227U/2K5
-
在庫状況7135
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 | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| AmplifierType | General Purpose |
| NumberofCircuits | 1 |
| SlewRate | 2.3V/µs |
| GainBandwidthProduct | 8 MHz |
| Current-InputBias | 2.5 nA |
| Voltage-InputOffset | 5 µV |
| Current-Supply | 3.7mA |
| Current-Output/Channel | 45 mA |
| Voltage-SupplySpan(Min) | 5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
Key features of the OPA227 include a low input offset voltage of around 75 µV, low input bias current, and a high common-mode rejection ratio (CMRR). It operates over a wide supply voltage range and has a wide bandwidth, making it suitable for both low-frequency and high-frequency applications. The device's low distortion and noise make it ideal for precision applications where signal integrity is crucial. Its robustness and reliability make it a popular choice among engineers designing high-performance analog circuits.
Equivalent
Features
1. Low Offset Voltage: It offers an exceptionally low offset voltage of 10 µV, enhancing accuracy in precision applications.
2. Low Noise: With a low noise density of 3 nV/√Hz, it ensures minimal interference and high signal integrity.
3. Low Drift: Its low drift characteristics (0.1 µV/°C) improve stability over temperature variations.
4. Wide Supply Range: Operates with a dual supply of ±2.5V to ±18V, or a single supply of 5V to 36V, making it versatile for various applications.
5. High Open-Loop Gain: Provides a high open-loop gain of 120 dB, which enhances precision by ensuring greater linearity and accuracy.
6. High Common-Mode Rejection Ratio (CMRR): Offers a CMRR of 120 dB, reducing errors due to common-mode signals.
7. Package: Available in an 8-pin SOIC package, suitable for compact and space-constrained designs.
These features make the OPA227U/2K5 ideal for applications that require precision, such as data acquisition systems, medical instrumentation, and high-resolution audio.
Pinout
1. Pin 1 (Offset Null 1): Used for offset voltage adjustment if necessary.
2. Pin 2 (Inverting Input): The inverting input terminal of the op-amp.
3. Pin 3 (Non-Inverting Input): The non-inverting input terminal.
4. Pin 4 (V-): The negative power supply voltage.
5. Pin 5 (Offset Null 2): Used for offset voltage adjustment similar to Pin 1.
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+): The positive power supply voltage.
8. Pin 8 (No Connection or NC): Generally not internally connected; can be used for stability in circuit design.
The OPA227U is valued for its low offset voltage, low noise, and high precision, making it suitable for applications requiring accurate and stable operation.
Manufacturer
Application
1. Data Acquisition Systems: Enhances accuracy in converting analog signals to digital.
2. Medical Instrumentation: Provides precision in sensitive equipment like ECGs.
3. Test and Measurement Equipment: Offers reliability in signal testing and analysis tools.
4. Industrial Process Controls: Ensures precision in automated control systems.
5. Transducer Amplifiers: Amplifies signals from sensors with minimal distortion.
These applications leverage its stability, low drift, and high performance.