JAJSLJ2J January   2011  – March 2021 OPA2836 , OPA836

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information: OPA836
    5. 7.5 Thermal Information: OPA2836
    6. 7.6 Electrical Characteristics: VS = 2.7 V
    7. 7.7 Electrical Characteristics: VS = 5 V
    8. 7.8 Typical Characteristics: VS = 2.7 V
    9. 7.9 Typical Characteristics: VS = 5 V
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Input Common-Mode Voltage Range
      2. 8.3.2 Output Voltage Range
      3. 8.3.3 Power-Down Operation
      4. 8.3.4 Low-Power Applications and the Effects of Resistor Values on Bandwidth
      5. 8.3.5 Driving Capacitive Loads
    4. 8.4 Device Functional Modes
      1. 8.4.1 Split-Supply Operation (±1.25 V to ±2.75 V)
      2. 8.4.2 Single-Supply Operation (2.5 V to 5.5 V)
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1  Noninverting Amplifier
      2. 9.1.2  Inverting Amplifier
      3. 9.1.3  Instrumentation Amplifier
      4. 9.1.4  Attenuators
      5. 9.1.5  Single-Ended-to-Differential Amplifier
      6. 9.1.6  Differential-to-Signal-Ended Amplifier
      7. 9.1.7  Differential-to-Differential Amplifier
      8. 9.1.8  Gain Setting With OPA836 RUN Integrated Resistors
      9. 9.1.9  Pulse Application With Single-Supply
      10. 9.1.10 ADC Driver Performance
    2. 9.2 Typical Applications
      1. 9.2.1 Audio Frequency Performance
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Active Filters
        1. 9.2.2.1 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
      2. 12.1.2 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 サポート・リソース
    4. 12.4 静電気放電に関する注意事項
    5. 12.5 用語集
    6. 12.6 Trademarks
  13. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

9.2.2 Active Filters

The OPA836 and OPA2836 devices are good choices for active filters. Figure 9-15 and Figure 9-16 show MFB and Sallen-Key circuits designed using the WEBENCH® Filter Designer to implement second-order low-pass Butterworth filter circuits. Figure 9-17 shows the frequency response.

Other MFB and Sallen-Key filter circuits offer similar performance. The main difference is the MFB is an inverting amplifier in the pass-band and the Sallen-Key is noninverting. The primary advantage for each is the Sallen-Key in unity gain has no resistor gain-error term, and thus no sensitivity to gain error, while the MFB has better attenuation properties beyond the bandwidth of the operational amplifier.

GUID-1CC504CF-D1B1-4806-B486-A8BAC1C0EB45-low.gifFigure 9-15 MFB 100-kHz Second-Order Low-Pass Butterworth Filter Circuit
GUID-4CB311E3-44BB-4E02-88DE-713893EA9B5F-low.gifFigure 9-16 Sallen-Key 100-kHz Second-Order Low-Pass Butterworth Filter Circuit