SBOS875B August   2017  – July 2018 THS3491

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Arbitrary Waveform Generator Output Drive Circuit
      2.      Harmonic Distortion vs Frequency
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin 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
    5. 7.5 Electrical Characteristics: VS = ±15 V
    6. 7.6 Electrical Characteristics: VS = ±7.5 V
    7. 7.7 Typical Characteristics: ±15 V
    8. 7.8 Typical Characteristics: ±7.5 V
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power-Down (PD) Pin
      2. 8.3.2 Power-Down Reference (REF) Pin
      3. 8.3.3 Internal Junction Temperature Sense (TJ_SENSE) Pin
    4. 8.4 Device Functional Modes
      1. 8.4.1 Wideband Noninverting Operation
      2. 8.4.2 Wideband, Inverting Operation
      3. 8.4.3 Single-Supply Operation
      4. 8.4.4 Maximum Recommended Output Voltage
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Driving Capacitive Loads
      2. 9.1.2 Video Distribution
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 PowerPAD™ Integrated Circuit Package Design Considerations (DDA Package Only)
        1. 11.1.1.1 PowerPAD™ Integrated Circuit Package Layout Considerations
        2. 11.1.1.2 Power Dissipation and Thermal Considerations
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

9.2.3 Application Curves

THS3491 D081_SBOS875_Apps_2Parallel100R_NormalizeFreqResponse.gif
1.
RTOT_LOAD = 100 Ω VO (amplifier output) = 20 VPP
Figure 70. Frequency Response Of Two-Amplifier Configuration in Figure 69 (Gain = 5 V/V, Measured At VOUT)
THS3491 D083_SBOS875_Apps_Parallel20R_HD2.gif
1.
RTOT_LOAD = 20 Ω VO (amplifier output) = 20 VPP
Figure 72. HD2 For Amplifier Load-Sharing Configuration (Gain = 5 V/V)
THS3491 D082_SBOS875_Apps_2Parallel100R_Distortion.gif
1.
RTOT_LOAD = 100 Ω VO (amplifier output) = 20 VPP
Figure 71. Distortion Of Two-Amplifier Configuration in Figure 69 (Gain = 5 V/V, Measured At VOUT)
THS3491 D084_SBOS875_Apps_Parallel20R_HD3.gif
1.
RTOT_LOAD = 20 Ω VO (amplifier output) = 20 VPP
Figure 73. HD2 For Amplifier Load-Sharing Configuration (Gain = 5 V/V)