SBOS957F February   2022  – October 2025 OPA2328 , OPA328 , OPA4328

PRODMIX  

  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 - OPA328
    5. 5.5 Thermal Information - OPA2328
    6. 5.6 Thermal Information - OPA4328
    7. 5.7 Electrical Characteristics
    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 Input and ESD Protection
      2. 6.3.2 Rail-to-Rail Input
      3. 6.3.3 Phase Reversal
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Capacitive Load and Stability
    2. 7.2 Typical Applications
      1. 7.2.1 Bidirectional Current-Sensing
        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
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  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™ Simulation Software (Free Download)
        3. 8.1.1.3 DIP-Adapter-EVM
        4. 8.1.1.4 DIYAMP-EVM
        5. 8.1.1.5 Analog Filter Designer
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.8 Typical Characteristics

at TA = 25°C, VS = 5.5 V, VCM = VOUT = mid-supply, CL = 20 pF, and RL = 10 kΩ (unless otherwise noted)

OPA328 OPA2328 OPA4328 Offset Voltage Production Distribution
VS = 2.2 V
Figure 5-1 Offset Voltage Production Distribution
OPA328 OPA2328 OPA4328 Offset Voltage vs Common-Mode Voltage
VS = 2.2 V
Figure 5-3 Offset Voltage vs Common-Mode Voltage
OPA328 OPA2328 OPA4328 Open-Loop Gain and Phase vs Frequency
 
Figure 5-5 Open-Loop Gain and Phase vs Frequency
OPA328 OPA2328 OPA4328 Input Bias Current vs Common-Mode Voltage
 
Figure 5-7 Input Bias Current vs Common-Mode Voltage
OPA328 OPA2328 OPA4328 Quiescent Current vs Supply Voltage
 
Figure 5-9 Quiescent Current vs Supply Voltage
OPA328 OPA2328 OPA4328 Negative Input Bias Current Distribution
 
Figure 5-11 Negative Input Bias Current Distribution
OPA328 OPA2328 OPA4328 PSRR vs Temperature
 
Figure 5-13 PSRR vs Temperature
OPA328 OPA2328 OPA4328 CMRR and PSRR vs Frequency
 
Figure 5-15 CMRR and PSRR vs Frequency
OPA328 OPA2328 OPA4328 0.1-Hz to 10-Hz Input Voltage Noise
 
Figure 5-17 0.1-Hz to 10-Hz Input Voltage Noise
OPA328 OPA2328 OPA4328 Output Voltage Swing vs Output Current
VV+ = 1.1 V, VV– = –1.1 V, current source load
Figure 5-19 Output Voltage Swing vs Output Current
OPA328 OPA2328 OPA4328 Output Voltage Swing vs Output Current
VV+ = 2.75 V, VV– = –2.75 V, current source load
Figure 5-21 Output Voltage Swing vs Output Current
OPA328 OPA2328 OPA4328 Output Voltage Swing vs Output Current
VV+ = 5.5 V, VV– = 0 V, voltage source load
Figure 5-23 Output Voltage Swing vs Output Current
OPA328 OPA2328 OPA4328 Open-Loop Gain vs Output to Supply Voltage Delta
 
Figure 5-25 Open-Loop Gain vs Output to Supply Voltage Delta
OPA328 OPA2328 OPA4328 Small-Signal Overshoot vs Load Capacitance
G = –1
Figure 5-27 Small-Signal Overshoot vs Load Capacitance
OPA328 OPA2328 OPA4328 THD+N vs Amplitude
f = 1 kHz
 
Figure 5-29 THD+N vs Amplitude
OPA328 OPA2328 OPA4328 Closed-Loop Gain vs Frequency
 
Figure 5-31 Closed-Loop Gain vs Frequency
OPA328 OPA2328 OPA4328 Small-Signal Step Response
G = +1
Figure 5-33 Small-Signal Step Response
OPA328 OPA2328 OPA4328 Large-Signal Step Response
G = +1
Figure 5-35 Large-Signal Step Response
OPA328 OPA2328 OPA4328 Offset Voltage Production Distribution
 
Figure 5-2 Offset Voltage Production Distribution
OPA328 OPA2328 OPA4328 Offset Voltage vs Common-Mode Voltage
 
Figure 5-4 Offset Voltage vs Common-Mode Voltage
OPA328 OPA2328 OPA4328 Open-Loop Gain vs Temperature
 
Figure 5-6 Open-Loop Gain vs Temperature
OPA328 OPA2328 OPA4328 Input Bias Current vs Temperature
 
Figure 5-8 Input Bias Current vs Temperature
OPA328 OPA2328 OPA4328 Positive Input Bias Current Distribution
 
Figure 5-10 Positive Input Bias Current Distribution
OPA328 OPA2328 OPA4328 Input Bias Offset Current Distribution
 
Figure 5-12 Input Bias Offset Current Distribution
OPA328 OPA2328 OPA4328 CMRR vs Temperature
 
 
Figure 5-14 CMRR vs Temperature
OPA328 OPA2328 OPA4328 Input Voltage Noise Spectral Density vs Frequency
 
Figure 5-16 Input Voltage Noise Spectral Density vs Frequency
OPA328 OPA2328 OPA4328 Maximum Output Voltage vs Frequency
 
Figure 5-18 Maximum Output Voltage vs Frequency
OPA328 OPA2328 OPA4328 Output Voltage Swing vs Output Current
VV+ = 1.1 V, VV– = –1.1 V, current source load
Figure 5-20 Output Voltage Swing vs Output Current
OPA328 OPA2328 OPA4328 Output Voltage Swing vs Output Current
VV+ = 2.75 V, VV– = –2.75 V, current source load
Figure 5-22 Output Voltage Swing vs Output Current
OPA328 OPA2328 OPA4328 Open-Loop Output Impedance vs Frequency
 
Figure 5-24 Open-Loop Output Impedance vs Frequency
OPA328 OPA2328 OPA4328 Open-Loop Gain vs Output to Supply Voltage Delta
 RL = 2 kΩ
Figure 5-26 Open-Loop Gain vs Output to Supply Voltage Delta
OPA328 OPA2328 OPA4328 Small-Signal Overshoot vs Load Capacitance
G = +1
Figure 5-28 Small-Signal Overshoot vs Load Capacitance
OPA328 OPA2328 OPA4328 THD+N vs Frequency
VOUT = 1 VRMS
Figure 5-30 THD+N vs Frequency
OPA328 OPA2328 OPA4328 Small-Signal Step Response
G = –1
Figure 5-32 Small-Signal Step Response
OPA328 OPA2328 OPA4328 Large-Signal Step Response
G = –1
Figure 5-34 Large-Signal Step Response