SBOS258E November   2002  – April 2025 OPA698

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 = ±5V
    6. 6.6 Electrical Characteristics VS = 5V
    7. 6.7 Typical Characteristics: VS = ±5V
    8. 6.8 Typical Characteristics: VS = 5V
  8. 7 Detailed Description
    1. 7.1 Overview
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1  Output Limiters
      2. 8.1.2  Output Drive
      3. 8.1.3  Thermal Considerations
      4. 8.1.4  Capacitive Loads
      5. 8.1.5  Frequency Response Compensation
      6. 8.1.6  Pulse Settling Time
      7. 8.1.7  Distortion
      8. 8.1.8  Noise Performance
      9. 8.1.9  DC Accuracy and Offset Control
      10. 8.1.10 Input and ESD Protection
    2. 8.2 Typical Applications
      1. 8.2.1  Wideband Voltage-Limiting Operation
      2. 8.2.2  Single-Supply, Noninverting Amplifier
      3. 8.2.3  Wideband Inverting Operation
      4. 8.2.4  Limited Output, ADC Input Driver
        1. 8.2.4.1 Limited-Output, Differential ADC Input Driver
        2. 8.2.4.2 Precision Half-Wave Rectifier
      5. 8.2.5  High-Speed Full-Wave Rectifier
        1. 8.2.5.1 High-Speed Full-Wave Rectifier #1
        2. 8.2.5.2 High-Speed Full-Wave Rectifier #2
      6. 8.2.6  Soft-Clipping (Compression) Circuit
      7. 8.2.7  Very High-Speed Schmitt Trigger
      8. 8.2.8  Unity-Gain Buffer
      9. 8.2.9  DC Restorer
      10. 8.2.10 Video Sync Stripper
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Demonstration Fixture
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.8 Typical Characteristics: VS = 5V

at TA = 25°C, G = 2V/V, RF = 402Ω, RL = 500Ω to VCM = 2.5V, VL = VCM – 1.2V, and VH = VCM + 1.2V (unless otherwise noted)

OPA698 Noninverting Small-Signal Frequency Response
VO = 0.2VPP
Figure 6-35 Noninverting Small-Signal Frequency Response
OPA698 Noninverting Large-Signal Frequency Response
 
Figure 6-37 Noninverting Large-Signal Frequency Response
OPA698 VL—Limiter Small-Signal Frequency Response
VO = 20mVPP
Figure 6-39 VL—Limiter Small-Signal Frequency Response
OPA698 Noninverting Large-Signal Step Response
VO = 2VPP
Figure 6-41 Noninverting Large-Signal Step Response
OPA698 VL- Limiter Pulse Response
 
Figure 6-43 VL- Limiter Pulse Response
OPA698 Harmonic Distortion vs Frequency
VO = 2VPP
 
Figure 6-45 Harmonic Distortion vs Frequency
OPA698 2-Tone, 3rd-Order Intermodulation Intercept
 
Figure 6-47 2-Tone, 3rd-Order Intermodulation Intercept
OPA698 Frequency Response vs Capacitive Load
VO = 0.2VPP
Figure 6-49 Frequency Response vs Capacitive Load
OPA698 Limiter Input Bias Current vs Bias Voltage
 
Figure 6-51 Limiter Input Bias Current vs Bias Voltage
OPA698 Inverting Small-Signal Frequency Response
VO = 0.2VPP
Figure 6-36 Inverting Small-Signal Frequency Response
OPA698 VH—Limiter Small-Signal Frequency Response
VO = 20mVPP
Figure 6-38 VH—Limiter Small-Signal Frequency Response
OPA698 Small-Signal Pulse Response
VO = 0.2VPP
Figure 6-40 Small-Signal Pulse Response
OPA698 VH- Limiter Pulse Response
 
Figure 6-42 VH- Limiter Pulse Response
OPA698 Harmonic Distortion vs Load Resistance
f = 5MHz VO = 2VPP
Figure 6-44 Harmonic Distortion vs Load Resistance
OPA698 Harmonic Distortion vs Output Voltage
f = 5MHz
VH = VCM + VOPP / 2 +0.5V VL = VCM – VOPP / 2 – 0.5V
Figure 6-46 Harmonic Distortion vs Output Voltage
OPA698 Harmonic Distortion Near Limiting Voltages
f = 5MHz VO = 2VPP
Figure 6-48 Harmonic Distortion Near Limiting Voltages
OPA698 Recommended RS vs Capacitive Load
 
Figure 6-50 Recommended RS vs Capacitive Load