SBOS110C May   1998  – March 2023 OPA2227 , OPA2228 , OPA227 , OPA228 , OPA4227 , OPA4228

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information: OPA227, OPA228
    5. 6.5 Thermal Information: OPA2227, OPA2228
    6. 6.6 Thermal Information: OPA4227, OPA4228
    7. 6.7 Electrical Characteristics: OPAx227 
    8. 6.8 Electrical Characteristics: OPAx228 
    9. 6.9 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Offset Voltage and Drift
      2. 7.3.2 Operating Voltage
      3. 7.3.3 Offset Voltage Adjustment
      4. 7.3.4 Input Protection
      5. 7.3.5 Input Bias Current Cancellation
      6. 7.3.6 Noise Performance
      7. 7.3.7 Basic Noise Calculations
      8. 7.3.8 EMI Rejection Ratio (EMIRR)
        1. 7.3.8.1 EMIRR IN+ Test Configuration
    4. 7.4 Device Functional Modes
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Using the OPAx228 in Low Gains
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Three-Pole, 20 kHz Low Pass, 0.5-dB Chebyshev Filter
      3. 8.2.3 Long-Wavelength Infrared Detector Amplifier
      4. 8.2.4 High Performance Synchronous Demodulator
      5. 8.2.5 Headphone Amplifier
      6. 8.2.6 Three-Band Active Tone Control (Bass, Midrange, and Treble)
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 TINA-TI™ Simulation Software (Free Download)
        2. 9.1.1.2 TI Reference Designs
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

At TA = 25°C, RL = 10 kΩ, and VS = ±15 V, unless otherwise noted.

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Figure 6-1 Open-Loop Gain and Phase vs Frequency
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Figure 6-3 Power Supply and Common-Mode Rejection Ratio vs Frequency
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Figure 6-5 Total Harmonic Distortion + Noise vs Frequency
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Figure 6-7 Input Noise Voltage vs Time
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Figure 6-9 Voltage Noise Distribution (10 Hz)
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Figure 6-11 Offset Voltage Drift Production Distribution
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Figure 6-13 AOL, CMRR, PSRR vs Temperature
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Figure 6-15 Input Bias Current vs Temperature
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Figure 6-17 Quiescent Current vs Temperature
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Figure 6-19 Slew Rate vs Temperature
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Figure 6-21 Change in Input Bias Current vs Power Supply Voltage
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Figure 6-23 Settling Time vs Closed-Loop Gain
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Figure 6-25 Maximum Output Voltage vs Frequency
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G = –1,CL = 1500 pF
Figure 6-27 Large-Signal Step Response
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G = 1,CL = 5 pF
 
Figure 6-29 Small-Signal Step Response
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Figure 6-31 Small-Signal Overshoot vs Load Capacitance
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G = 10,CL = 1000 pFRL = 1.8 kΩ
Figure 6-33 Small-Signal Step Response
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Figure 6-35 Open-loop Output Impedance
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Figure 6-2 Open-Loop Gain and Phase vs Frequency
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Figure 6-4 Input Voltage and Current Noise Spectral Density vs Frequency
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Figure 6-6 Total Harmonic Distortion + Noise vs Frequency
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Figure 6-8 Channel Separation vs Frequency
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Figure 6-10 Offset Voltage Production Distribution
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Figure 6-12 Warm-Up Offset Voltage Drift
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Figure 6-14 AOL, CMRR, PSRR vs Temperature
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Figure 6-16 Short-Circuit Current vs Temperature
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Figure 6-18 Quiescent Current vs Supply Voltage
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Figure 6-20 Slew Rate vs Temperature
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Figure 6-22 Change in Input Bias Current vs Common-Mode Voltage
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Figure 6-24 Output Voltage Swing vs Output Current
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Figure 6-26 Small-Signal Overshoot vs Load Capacitance
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G = 1,C = 1000 pF
Figure 6-28 Small-Signal Step Response
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Figure 6-30 Maximum Output Voltage vs Frequency
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G = –10, CL = 100 pF
 
Figure 6-32 Large-Signal Step Response
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G = 10,CL = 1000 pFRL = 1.8 kΩ
Figure 6-34 Small-Signal Step Response