ZHCSNI6A March   2023  – April 2024 OPA928

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  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: 4.5V ≤ VS < 8V
    6. 5.6 Electrical Characteristics: 8V ≤ VS ≤ 16V
    7. 5.7 Electrical Characteristics: 16V < VS ≤ 36V
    8. 5.8 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 Guard Buffer
      2. 6.3.2 Input Protection
      3. 6.3.3 Thermal Protection
      4. 6.3.4 Capacitive Load and Stability
      5. 6.3.5 EMI Rejection
      6. 6.3.6 Common-Mode Voltage Range
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Contamination Considerations
      2. 7.1.2 Guarding Considerations
      3. 7.1.3 Single-Supply Considerations
      4. 7.1.4 Humidity Considerations
      5. 7.1.5 Dielectric Relaxation
      6. 7.1.6 Shielding
    2. 7.2 Typical Applications
      1. 7.2.1 High-Impedance Amplifier
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
      2. 7.2.2 Transimpedance Amplifier
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
          1. 7.2.2.2.1 Input Bias
          2. 7.2.2.2.2 Offset Voltage
          3. 7.2.2.2.3 Stability
          4. 7.2.2.2.4 Noise
      3. 7.2.3 Improved Diode Limiter
      4. 7.2.4 Instrumentation Amplifier
    3. 7.3 Power-Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Examples
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 PSpice® for TI
        2. 8.1.1.2 TINA-TI™ 仿真软件（免费下载）
        3. 8.1.1.3 TI 参考设计
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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5.8 Typical Characteristics

at TA = 25°C, VS = 16V, VGRD = VCM = VS / 2, RL = 10kΩ connected to VS / 2, and CL = 100pF (unless otherwise noted)

OPA928 Input Bias Current Production Distribution
VS = 4.5V, TA = 85°C, IBN
Figure 5-1 Input Bias Current Production Distribution
OPA928 Input Bias Current Production Distribution
VS = 16V, TA = 85°C, IBN, 2126 units
Figure 5-3 Input Bias Current Production Distribution
OPA928 Input Bias Current Production Distribution
VS = 36V, TA = 85°C, IBN, 2126 units
Figure 5-5 Input Bias Current Production Distribution
OPA928 Input Bias Offset Current Production Distribution
VS = 16V, TA = 85°C, 2126 units
Figure 5-7 Input Bias Offset Current Production Distribution
OPA928 Offset Voltage Production Distribution
VS = 4.5V, 650 units
Figure 5-9 Offset Voltage Production Distribution
OPA928 Offset Voltage Production Distribution
VS = 36V, 650 units
Figure 5-11 Offset Voltage Production Distribution
OPA928 Offset Voltage Drift Distribution
VS = 16V, TA = –40°C to +125°C, 34 units
Figure 5-13 Offset Voltage Drift Distribution
OPA928 Offset Voltage vs Temperature
VS = 4.5V, 5 typical units
Figure 5-15 Offset Voltage vs Temperature
OPA928 Offset Voltage vs Temperature
VS = 36V, 5 typical units
Figure 5-17 Offset Voltage vs Temperature
OPA928 Offset Voltage vs Common-Mode Voltage in Transition Region
VS = 16V, 5 typical units 
Figure 5-19 Offset Voltage vs Common-Mode Voltage in Transition Region
OPA928 Open-Loop Gain and Phase vs Frequency
 
Figure 5-21 Open-Loop Gain and Phase vs Frequency
OPA928 Input Bias Current vs Common-Mode Voltage
VS = 4.5V, TA = 25°C 
Figure 5-23 Input Bias Current vs Common-Mode Voltage
OPA928 Input Bias Current vs Common-Mode Voltage
VS = 16V, TA = 25°C 
Figure 5-25 Input Bias Current vs Common-Mode Voltage
OPA928 Input Bias Current vs Common-Mode Voltage
VS = 36V, TA = 25°C 
Figure 5-27 Input Bias Current vs Common-Mode Voltage
OPA928 Input Bias Current vs Temperature
VS = 4.5V, RH = 10% 
Figure 5-29 Input Bias Current vs Temperature
OPA928 Input Bias Current vs Temperature
VS = 36V, RH =  10%
Figure 5-31 Input Bias Current vs Temperature
OPA928 Output Voltage Swing vs Output Current
VS = 4.5V, sinking
Figure 5-33 Output Voltage Swing vs Output Current
OPA928 Output Voltage Swing vs Output Current
VS = 16V, sinking
Figure 5-35 Output Voltage Swing vs Output Current
OPA928 Output Voltage Swing vs Output Current
VS = 36V, sinking
Figure 5-37 Output Voltage Swing vs Output Current
OPA928 0.1Hz to 10Hz Noise
 
Figure 5-39 0.1Hz to 10Hz Noise
OPA928 Input Current Noise Spectral Density vs Frequency
 
Figure 5-41 Input Current Noise Spectral Density
vs Frequency
OPA928 THD+N vs Frequency
 VS = 4.5V
Figure 5-43 THD+N vs Frequency
OPA928 THD+N vs Output Amplitude
 VS = 4.5V
Figure 5-45 THD+N vs Output Amplitude
OPA928 THD+N vs Frequency
 VS = 16V
Figure 5-47 THD+N vs Frequency
OPA928 THD+N vs Output Amplitude
 VS = 16V
Figure 5-49 THD+N vs Output Amplitude
OPA928 Quiescent Current vs Temperature
 
Figure 5-51 Quiescent Current vs Temperature
OPA928 Open-Loop Output Impedance vs Frequency
 
Figure 5-53 Open-Loop Output Impedance vs Frequency
OPA928 Small-Signal Overshoot vs Capacitive Load
G = −1, 10mV output step
Figure 5-55 Small-Signal Overshoot vs Capacitive Load
OPA928 Positive Overload Recovery
G = –10V/V
Figure 5-57 Positive Overload Recovery
OPA928 Small-Signal Step Response
G = 1, CL = 10pF, 10mV step
Figure 5-59 Small-Signal Step Response
OPA928 Large-Signal Step Response
G = 1, CL = 10pF, 10mV step
Figure 5-61 Large-Signal Step Response
OPA928 Settling Time
Gain = 1, CL = 10pF, 2V step applied at t = 0µs
Figure 5-63 Settling Time
OPA928 Guard Buffer Offset Distribution
VS = 4.5V, 650 units
Figure 5-65 Guard Buffer Offset Distribution
OPA928 Guard Buffer Offset Distribution
VS = 36V, 650 units
Figure 5-67 Guard Buffer Offset Distribution
OPA928 Guard Buffer Offset Drift Distribution
VS = 16V, 34 units
Figure 5-69 Guard Buffer Offset Drift Distribution
OPA928 Guard Buffer Offset Voltage vs Temperature
VS = 4.5V, 5 typical units
Figure 5-71 Guard Buffer Offset Voltage vs Temperature
OPA928 Guard Buffer Offset Voltage vs Temperature
VS = 16V, 5 typical units
Figure 5-73 Guard Buffer Offset Voltage vs Temperature
OPA928 Input Bias Current Production Distribution
VS = 4.5V, TA = 85°C, IBP
Figure 5-2 Input Bias Current Production Distribution
OPA928 Input Bias Current Production Distribution
VS = 16V, TA = 85°C, IBP, 2126 units
Figure 5-4 Input Bias Current Production Distribution
OPA928 Input Bias Current Production Distribution
VS = 36V, TA = 85°C, IBP, 2126 units
Figure 5-6 Input Bias Current Production Distribution
OPA928 Input Bias Offset Current Production Distribution
VS = 36V, TA = 85°C, 2126 units
Figure 5-8 Input Bias Offset Current Production Distribution
OPA928 Offset Voltage Production Distribution
VS = 16V, 650 units
Figure 5-10 Offset Voltage Production Distribution
OPA928 Offset Voltage Drift Distribution
VS = 4.5V, TA = –40°C to +125°C, 34 units
Figure 5-12 Offset Voltage Drift Distribution
OPA928 Offset Voltage Drift Distribution
VS = 36V, TA = –40°C to +125°C, 34 units
Figure 5-14 Offset Voltage Drift Distribution
OPA928 Offset Voltage vs Temperature
VS = 16V, 5 typical units
Figure 5-16 Offset Voltage vs Temperature
OPA928 Offset Voltage vs Common-Mode Voltage
VS = 4.5V, 5 typical units 
Figure 5-18 Offset Voltage vs Common-Mode Voltage
OPA928 Offset Voltage vs Common-Mode Voltage in Transition Region
VS = 36V, 5 typical units 
Figure 5-20 Offset Voltage vs Common-Mode Voltage in Transition Region
OPA928 Closed-Loop Gain vs Frequency
 
Figure 5-22 Closed-Loop Gain vs Frequency
OPA928 Input Bias Current vs Common-Mode Voltage
VS = 4.5V, TA = 85°C 
Figure 5-24 Input Bias Current vs Common-Mode Voltage
OPA928 Input Bias Current vs Common-Mode Voltage
VS = 16V, TA = 85°C 
Figure 5-26 Input Bias Current vs Common-Mode Voltage
OPA928 Input Bias Current vs Common-Mode Voltage
VS = 36V, TA = 85°C 
Figure 5-28 Input Bias Current vs Common-Mode Voltage
OPA928 Input Bias Current vs Temperature
VS = 16V, RH = 10%
Figure 5-30 Input Bias Current vs Temperature
OPA928 Output Voltage Swing vs Output Current
VS = 4.5V, sourcing
Figure 5-32 Output Voltage Swing vs Output Current
OPA928 Output Voltage Swing vs Output Current
VS = 16V, sourcing
Figure 5-34 Output Voltage Swing vs Output Current
OPA928 Output Voltage Swing vs Output Current
VS = 36V, sourcing
Figure 5-36 Output Voltage Swing vs Output Current
OPA928 CMRR and PSRR vs Frequency
 
Figure 5-38 CMRR and PSRR vs Frequency
OPA928 Input Voltage Noise Spectral Density vs Frequency
 
Figure 5-40 Input Voltage Noise Spectral Density
vs Frequency
OPA928 THD+N vs Frequency
 VS = 4.5V
Figure 5-42 THD+N vs Frequency
OPA928 THD+N vs Output Amplitude
 VS = 4.5V
Figure 5-44 THD+N vs Output Amplitude
OPA928 THD+N vs Frequency
 VS = 16V
Figure 5-46 THD+N vs Frequency
OPA928 THD+N vs Output Amplitude
 VS = 16V
Figure 5-48 THD+N vs Output Amplitude
OPA928 Quiescent Current vs Supply Voltage
 
Figure 5-50 Quiescent Current vs Supply Voltage
OPA928 Open-Loop Gain vs Temperature
Figure 5-52 Open-Loop Gain vs Temperature
OPA928 Small-Signal Overshoot vs Capacitive Load
G = 1, 10mV output step
Figure 5-54 Small-Signal Overshoot vs Capacitive Load
OPA928 No Phase Reversal
VS = 36V 
Figure 5-56 No Phase Reversal
OPA928 Negative Overload Recovery
G = –10V/V
Figure 5-58 Negative Overload Recovery
OPA928 Small-Signal Step Response
G = −1, CL = 10pF, 10mV step
Figure 5-60 Small-Signal Step Response
OPA928 Large-Signal Step Response
G = −1, CL = 10pF, 10mV step
Figure 5-62 Large-Signal Step Response
OPA928 Settling Time
Gain = 1, CL = 10pF, 10V step applied at t = 0µs
Figure 5-64 Settling Time
OPA928 Guard Buffer Offset Distribution
VS = 16V, 650 units
Figure 5-66 Guard Buffer Offset Distribution
OPA928 Guard Buffer Offset Drift Distribution
VS = 4.5V, 34 units
Figure 5-68 Guard Buffer Offset Drift Distribution
OPA928 Guard Buffer Offset Drift Distribution
VS = 36V, 34 units
Figure 5-70 Guard Buffer Offset Drift Distribution
OPA928 Guard Buffer Offset Voltage vs Temperature
VS = 4.5V, 5 typical units
Figure 5-72 Guard Buffer Offset Voltage vs Temperature
OPA928 Guard Buffer Offset Voltage vs Temperature
VS = 36V, 5 typical units
Figure 5-74 Guard Buffer Offset Voltage vs Temperature