SBOS940B May   2019  – December 2025 OPA818

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  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
    6. 6.6 Typical Characteristics: VS = ±5 V
    7. 6.7 Typical Characteristics: VS = 6 V
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input and ESD Protection
      2. 7.3.2 Feedback Pin
      3. 7.3.3 Decompensated Architecture With Wide Gain-Bandwidth Product
      4. 7.3.4 Low Input Capacitance
    4. 7.4 Device Functional Modes
      1. 7.4.1 Split-Supply Operation (+4/–2 V to ±6.5 V)
      2. 7.4.2 Single-Supply Operation (6 V to 13 V)
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Wideband, Noninverting Operation
      2. 8.1.2 Wideband, Transimpedance Design Using the OPA818
    2. 8.2 Typical Applications
      1. 8.2.1 High-Bandwidth, 100-kΩ Gain Transimpedance Design
        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 Noninverting Gain of 2 V/V
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
        1. 8.4.1.1 Thermal Considerations
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
    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

6.6 Typical Characteristics: VS = ±5 V

at TA ≅ 25°C, VS+ = +5 V, VS– = –5 V, closed-loop gain (G) = 7 V/V, VCM = midsupply, RF = 301 Ω, RL = 100 Ω to midsupply, small-signal VO = 100 mVPP, and large-signal VO = 2 VPP (unless otherwise noted)

OPA818 Noninverting Small-Signal Frequency Response
VO = 100 mVPP
Figure 6-1 Noninverting Small-Signal Frequency Response
OPA818 Noninverting Large-Signal Frequency Response
VO = 2 VPP
Figure 6-3 Noninverting Large-Signal Frequency Response
OPA818 Gain Flatness vs Frequency
 
Figure 6-5 Gain Flatness vs Frequency
OPA818 Noninverting Frequency Response Over Output Swing
G = 10 V/V
Figure 6-7 Noninverting Frequency Response Over Output Swing
OPA818 Noninverting Small-Signal Frequency Response Over Voltage Supply
VO = 100 mVPP
Figure 6-9 Noninverting Small-Signal Frequency Response Over Voltage Supply
OPA818 Noninverting Small-Signal Frequency Response Over RF
VO = 100 mVPP
Figure 6-11 Noninverting Small-Signal Frequency Response Over RF
OPA818 Harmonic Distortion vs Frequency Over RL
VO = 1 VPP
Figure 6-13 Harmonic Distortion vs Frequency Over RL
OPA818 Harmonic Distortion vs Frequency Over RL
VO = 4 VPP
Figure 6-15 Harmonic Distortion vs Frequency Over RL
OPA818 Harmonic Distortion vs Frequency Over Gain
VO = 2 VPP, G = 7 V/V and 10 V/V
 
Figure 6-17 Harmonic Distortion vs Frequency Over Gain
OPA818 Voltage Noise Density vs Frequency
 
Figure 6-19 Voltage Noise Density vs Frequency
OPA818 Open-Loop Gain Magnitude and Phase vs Frequency
Simulation
Figure 6-21 Open-Loop Gain Magnitude and Phase vs Frequency
OPA818 DC Open-Loop Gain vs Output Voltage
 
Figure 6-23 DC Open-Loop Gain vs Output Voltage
OPA818 Small-Signal Pulse Response
VO = 100-mV step
Figure 6-25 Small-Signal Pulse Response
OPA818 Quiescent Current vs Voltage Supply Over Temperature
 
Figure 6-27 Quiescent Current vs Voltage Supply Over Temperature
OPA818 Input Offset Voltage vs Common-Mode Voltage Over Temperature
 
Figure 6-29 Input Offset Voltage vs Common-Mode Voltage Over Temperature
OPA818 Input Offset Voltage vs Temperature
35 units, delta from 25°C VOS
Figure 6-31 Input Offset Voltage vs Temperature
OPA818 Input Bias Current vs Temperature
12 units, delta from 25°C IB
Figure 6-33 Input Bias Current vs Temperature
OPA818 Input Offset Current vs Temperature
12 units, delta from 25°C IOS
Figure 6-35 Input Offset Current vs Temperature
OPA818 Inverting Small-Signal Frequency Response
VO = 100 mVPP
Figure 6-2 Inverting Small-Signal Frequency Response
OPA818 Inverting Large-Signal Frequency Response
VO = 2 VPP
Figure 6-4 Inverting Large-Signal Frequency Response
OPA818 Noninverting Small-Signal Frequency Response Over Temperature
 
Figure 6-6 Noninverting Small-Signal Frequency Response Over Temperature
OPA818 Inverting Frequency Response Over Output Swing
G = –10 V/V
Figure 6-8 Inverting Frequency Response Over Output Swing
OPA818 Noninverting Large-Signal Frequency Response Over Voltage Supply
VO = 2 VPP
Figure 6-10 Noninverting Large-Signal Frequency Response Over Voltage Supply
OPA818 Common-Mode and Power-Supply Rejection Ratio vs Frequency
Simulation
Figure 6-12 Common-Mode and Power-Supply Rejection Ratio vs Frequency
OPA818 Harmonic Distortion vs Frequency Over RL
VO = 2 VPP
Figure 6-14 Harmonic Distortion vs Frequency Over RL
OPA818 Inter Modulation Distortion vs Frequency
VO = 2 VPP per tone, ±100-kHz tone spacing
Figure 6-16 Inter Modulation Distortion vs Frequency
OPA818 Harmonic Distortion vs Frequency Over Gain
VO = 2 VPP, G = 20 V/V and 50 V/V,
flattening HD at higher frequencies due to bandwidth roll-off
Figure 6-18 Harmonic Distortion vs Frequency Over Gain
OPA818 Current Noise Density vs Frequency
Common-mode noise Simulation
Figure 6-20 Current Noise Density vs Frequency
OPA818 Open-Loop and Closed-Loop Output Impedance vs Frequency
Simulation
Figure 6-22 Open-Loop and Closed-Loop Output Impedance vs Frequency
OPA818 Input Offset Voltage vs Output Current
15 units
Figure 6-24 Input Offset Voltage vs Output Current
OPA818 Large-Signal Pulse Response
VO = 2-V step
Figure 6-26 Large-Signal Pulse Response
OPA818 Output Voltage vs Output Current Over Temperature
 
Figure 6-28 Output Voltage vs Output Current Over Temperature
OPA818 Input Bias Current vs Common-Mode Voltage Over Temperature
 
Figure 6-30 Input Bias Current vs Common-Mode Voltage Over Temperature
OPA818 Input Offset Voltage Histogram
1000 units at each VS
Figure 6-32 Input Offset Voltage Histogram
OPA818 Input Bias and Offset Current Histogram
1000 units
Figure 6-34 Input Bias and Offset Current Histogram
OPA818 Output Overdrive Recovery
G = 10 V/V
Figure 6-36 Output Overdrive Recovery