SBOS867E August   2017  – August 2025 OPA838

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Related Products
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics VS = 5 V
    6. 6.6 Electrical Characteristics VS = 3 V
    7. 6.7 Typical Characteristics: VS = 5 V
    8. 6.8 Typical Characteristics: VS = 3 V
    9. 6.9 Typical Characteristics: Over Supply Range
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input Common-Mode Voltage Range
      2. 7.3.2 Output Voltage Range
      3. 7.3.3 Power-Down Operation
      4. 7.3.4 Trade-Offs in Selecting The Feedback Resistor Value
      5. 7.3.5 Driving Capacitive Loads
    4. 7.4 Device Functional Modes
      1. 7.4.1 Split-Supply Operation (±1.35 V to ±2.7 V)
      2. 7.4.2 Single-Supply Operation (2.7 V to 5.4 V)
      3. 7.4.3 Power Shutdown Operation
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Noninverting Amplifier
      2. 8.1.2 Inverting Amplifier
      3. 8.1.3 Output DC Error Calculations
      4. 8.1.4 Output Noise Calculations
    2. 8.2 Typical Applications
      1. 8.2.1 High-Gain Differential I/O Designs
        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 Transimpedance Amplifier
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 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. 9.2 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
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.7 Typical Characteristics: VS = 5 V

at VS+ = 5 V, VS– = 0 V, RF = 1 kΩ, RG = 200 Ω, RL = 2 kΩ, G = 6 V/V, input and output referenced to midsupply, and TA ≈ 25°C (unless otherwise noted)

OPA838 Noninverting Small-Signal Frequency Response vs Gain
See Figure 8-1 and Table 8-1 (VO = 20 mVPP, R LOAD = 2 kΩ)
Figure 6-1 Noninverting Small-Signal Frequency Response vs Gain
OPA838 Noninverting Large-Signal Bandwidth vs VOPP
Gain = 6 V/V, R LOAD = 2 kΩ
Figure 6-3 Noninverting Large-Signal Bandwidth vs VOPP
OPA838 Noninverting Response Flatness vs Gain
See Figure 8-1 and Table 8-1 (VO = 200 mVPP, R LOAD = 2 kΩ)
Figure 6-5 Noninverting Response Flatness vs Gain
OPA838 Noninverting Step Response vs VOPP
See Figure 8-1 (gain of 6 V/V)
Figure 6-7 Noninverting Step Response vs VOPP
OPA838 Simulated Noninverting Settling TimeFigure 6-9 Simulated Noninverting Settling Time
OPA838 Noninverting Overdrive RecoveryFigure 6-11 Noninverting Overdrive Recovery
OPA838 Harmonic Distortion vs FrequencyFigure 6-13 Harmonic Distortion vs Frequency
OPA838 Harmonic Distortion vs Output Swing
See Figure 8-1, Figure 8-2, Table 8-1, and Table 8-2
f = 100 kHz, RLOAD = 2 kΩ
Figure 6-15 Harmonic Distortion vs Output Swing
OPA838 Noninverting Distortion vs Output Common-Mode Voltage
See Figure 8-1 and Table 8-1
VO = 2 VPP, f = 100 kHz, RLOAD = 2 kΩ
Figure 6-17 Noninverting Distortion vs Output Common-Mode Voltage
OPA838 Inverting Small-Signal Frequency Response vs Gain
See Figure 8-2 and Table 8-2 (VO = 20 mVPP, R LOAD= 2 kΩ)
Figure 6-2 Inverting Small-Signal Frequency Response vs Gain
OPA838 Inverting Large-Signal Bandwidth vs VOPP
Gain = –6 V/V, R LOAD = 2 kΩ
Figure 6-4 Inverting Large-Signal Bandwidth vs VOPP
OPA838 Inverting Response Flatness vs Gain
See Figure 8-2 and Table 8-2 (VO = 200 mVPP; R LOAD = 2 kΩ)
Figure 6-6 Inverting Response Flatness vs Gain
OPA838 Inverting Step Response vs VOPP
See Figure 8-2 (gain of –6 V/V)
Figure 6-8 Inverting Step Response vs VOPP
OPA838 Simulated Inverting Settling TimeFigure 6-10 Simulated Inverting Settling Time
OPA838 Inverting Overdrive RecoveryFigure 6-12 Inverting Overdrive Recovery
OPA838 Harmonic Distortion vs RLOAD
See Figure 8-1, Figure 8-2, Table 8-1, and Table 8-2
VO = 2 VPP, f = 100 kHz
Figure 6-14 Harmonic Distortion vs RLOAD
OPA838 Harmonic Distortion vs Gain
See Figure 8-1, Figure 8-2, Table 8-1, and Table 8-2
VO = 2 VPP, RLOAD = 2 kΩ, f = 100 kHz
Figure 6-16 Harmonic Distortion vs Gain
OPA838 Inverting Distortion vs Output Common-Mode Voltage
See Figure 8-2 and Table 8-2
VO = 2 VPP, f = 100 kHz, RLOAD = 2 kΩ
Figure 6-18 Inverting Distortion vs Output Common-Mode Voltage