SBOSA39A April   2025  – October 2025 THS3470

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics ±VS = ±30V
    6. 5.6 Electrical Characteristics ±VS = ±20V
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Output Current Limit
      2. 6.3.2 Output Current Enable
      3. 6.3.3 Over Temperature Flag
      4. 6.3.4 Output Current Flags
      5. 6.3.5 Output Current Monitoring
      6. 6.3.6 Die Temperature Monitoring
      7. 6.3.7 External Compensation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Power Modes
      2. 6.4.2 Choosing a Feedback Resistor
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 High-Voltage, High-Precision, Composite Amplifier
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curves
      2. 7.2.2 120V Bootstrap Amplifier
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Performance Plots
    3. 7.3 Short Circuit Protection
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Thermal Considerations
        1. 7.5.1.1 Top-Side Cooling Benefits
        2. 7.5.1.2 THS3470 Safe Operating Area
      2. 7.5.2 Layout Guidelines
      3. 7.5.3 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 TAPE AND REEL INFORMATION

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • REB|42
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.7 Typical Characteristics

at TA ≅ 25°C, AV = 10V/V, RF = 2kΩ, RS = 5Ω, and VS = 60V (unless otherwise noted)

THS3470 Small Signal Bandwidth vs Capacitive Load
VOUT = 2VPP
Figure 5-1 Small Signal Bandwidth vs Capacitive Load
THS3470 Small Signal Bandwidth vs Temperature
AV = 2V/V, CLOAD = 1nF, VOUT = 2VPP
Figure 5-3 Small Signal Bandwidth vs Temperature
THS3470 Small Signal Bandwidth vs Gain
AV = 2V/V, CLOAD = 1nF, VOUT = 2VPP
Figure 5-5 Small Signal Bandwidth vs Gain
THS3470 Closed Loop Output Impedance vs Frequency
RS = 0Ω, CLOAD = Open
Figure 5-7 Closed Loop Output Impedance vs Frequency
THS3470 Open-Loop Transimpedance vs Frequency
CLOAD = Open
Figure 5-9 Open-Loop Transimpedance vs Frequency
THS3470 Large Signal Power vs Frequency
CLOAD = 1nF, VOUT = 50VPP
Figure 5-11 Large Signal Power vs Frequency
THS3470 Large Signal Bandwidth vs Gain
CLOAD = 1nF
Figure 5-13 Large Signal Bandwidth vs Gain
THS3470 Slew Rate vs Capacitive Load
VOUT = 50VPP
Figure 5-15 Slew Rate vs Capacitive Load
THS3470 Large-Signal Step Response vs Temperature
CLOAD = 1nF, VOUT = 50VPP
Figure 5-17 Large-Signal Step Response vs Temperature
THS3470 Large-Signal Step Response vs Gain
CLOAD = 1nF
Figure 5-19 Large-Signal Step Response vs Gain
THS3470 Large-Signal Settling Time
CLOAD = 1nF, VOUT = 50VPP
Figure 5-21 Large-Signal Settling Time
THS3470 Output Enable/Disable Time
CLOAD = 1nF, VOUT = 50VPP , fIN = 100kHz
Figure 5-23 Output Enable/Disable Time
THS3470 Harmonic Distortion vs Frequency
CLOAD = 1nF
Figure 5-25 Harmonic Distortion vs Frequency
THS3470 Harmonic Distortion vs Output Voltage
AV = −10V/V, VS = 40V, fin = 100kHz
Figure 5-27 Harmonic Distortion vs Output Voltage
THS3470 Harmonic Distortion vs Output Voltage
AV = −10V/V, VS = 40V, fin = 1MHz
Figure 5-29 Harmonic Distortion vs Output Voltage
THS3470 Harmonic Distortion vs Output Voltage
AV = −10V/V, VS = 40V, fin = 10MHz
Figure 5-31 Harmonic Distortion vs Output Voltage
THS3470 Output-Voltage Headroom vs Temperature
Figure 5-33 Output-Voltage Headroom vs Temperature
THS3470 Output Headroom vs Supply Voltage
Figure 5-35 Output Headroom vs Supply Voltage
THS3470 Output Current Error Drift vs ILIMIT Set
RLOAD = 12.5Ω
Figure 5-37 Output Current Error Drift vs ILIMIT Set
THS3470 IOUT_MONITOR Error vs Output Current
RLOAD = 12.5Ω
Figure 5-39 IOUT_MONITOR Error vs Output Current
THS3470 IOUT_MONITOR Response Time
VOUT = 50VPP, RLOAD = 100Ω, RIOUT_2048 = 5kΩ
Figure 5-41 IOUT_MONITOR Response Time
THS3470 Input Offset vs Input Common-Mode
VS = 60V
Figure 5-43 Input Offset vs Input Common-Mode
THS3470 Input Bias Current vs Input Common-Mode
VS = 60V
Figure 5-45 Input Bias Current vs Input Common-Mode
THS3470 Small Signal Bandwidth vs Capacitive Load
AV = 2V/V, VOUT = 2VPP
Figure 5-2 Small Signal Bandwidth vs Capacitive Load
THS3470 Small Signal Bandwidth vs Supply Voltage
AV = 2V/V, CLOAD = 1nF, VOUT = 2VPP
Figure 5-4 Small Signal Bandwidth vs Supply Voltage
THS3470 Small Signal Bandwidth vs Resistive Load
AV = 2V/V, RS = 0Ω, CLOAD = Open, VOUT = 2VPP
Figure 5-6 Small Signal Bandwidth vs Resistive Load
THS3470 Common-Mode and Power Supply Rejection vs Frequency
Figure 5-8 Common-Mode and Power Supply Rejection vs Frequency
THS3470 Large Signal Bandwidth vs Capacitive Load
VOUT = 50VPP
Figure 5-10 Large Signal Bandwidth vs Capacitive Load
THS3470 Large Signal Bandwidth vs Supply Voltage
CLOAD = 1nF
Figure 5-12 Large Signal Bandwidth vs Supply Voltage
THS3470 Large Signal Bandwidth vs Resistive Load
RS = 0Ω, CLOAD = Open, VOUT = 50VPP
Figure 5-14 Large Signal Bandwidth vs Resistive Load
THS3470 Large-Signal Step Response vs Capacitive Load
VOUT = 50VPP
Figure 5-16 Large-Signal Step Response vs Capacitive Load
THS3470 Large-Signal Step Response vs Supply Voltage
CLOAD = 1nF
Figure 5-18 Large-Signal Step Response vs Supply Voltage
THS3470 Large-Signal Step Response vs Resistive Load
CLOAD = Open, VOUT = 50VPP
Figure 5-20 Large-Signal Step Response vs Resistive Load
THS3470 Overload Recovery Time
AV = −10V/V, VOUT = 50VPP
Figure 5-22 Overload Recovery Time
THS3470 Voltage and Current Noise vs Frequency
Figure 5-24 Voltage and Current Noise vs Frequency
THS3470 Harmonic Distortion vs Frequency
CLOAD = Open, AV = 10V/V, RLOAD = 100Ω
Figure 5-26 Harmonic Distortion vs Frequency
THS3470 Harmonic Distortion vs Output Voltage
AV = 10V/V, VS = 60V, fin = 100kHz
Figure 5-28 Harmonic Distortion vs Output Voltage
THS3470 Harmonic Distortion vs Output Voltage
AV = 10V/V, VS = 60V, fin = 1MHz
Figure 5-30 Harmonic Distortion vs Output Voltage
THS3470 Harmonic Distortion vs Output Voltage
AV = 10V/V, VS = 60V, fin = 10MHz
Figure 5-32 Harmonic Distortion vs Output Voltage
THS3470 Output Headroom vs Current Limit
VOUT = 25V (Source) and −25V (Sink)
Figure 5-34 Output Headroom vs Current Limit
THS3470 Output Current Limit vs ILIMIT Set
RLOAD = 12.5Ω
Figure 5-36 Output Current Limit vs ILIMIT Set
THS3470 Output Current Limit vs Time
RLOAD = 25Ω, VOUT = 50VPP, ILIMIT = 900mA, fin = 10kHz
Figure 5-38 Output Current Limit vs Time
THS3470 IOUT_MONITOR Temperature Drift vs Output Current
RLOAD = 12.5Ω
Figure 5-40 IOUT_MONITOR Temperature Drift vs Output Current
THS3470 Quiescent Current vs Supply Voltage
Figure 5-42 Quiescent Current vs Supply Voltage
THS3470 Input Offset vs Output Voltage
VS = 60V
Figure 5-44 Input Offset vs Output Voltage
THS3470 DIE_TEMP Accuracy vs Temperature
5 Typical Units
Figure 5-46 DIE_TEMP Accuracy vs Temperature