SBOSA02A August   2021  – April 2025 OPA2397 , OPA397 , OPA4397

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 OPA397
    5. 5.5 Thermal Information OPA2397
    6. 5.6 Thermal Information OPA4397
    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 Low Operating Voltage
      2. 6.3.2 Low Input Bias Current
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    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 TINA-TI™ Simulation Software (Free Download)
    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 = 5.5V, VCM = VS / 2, RLOAD = 10kΩ connected to VS / 2, and CL = 100pF (unless otherwise noted)

OPA397 OPA2397 OPA4397 Offset Voltage Distribution
 VS = 5.0V
Figure 5-1 Offset Voltage Distribution
OPA397 OPA2397 OPA4397 Quiescent Current Distribution
VS = 1.7V
Figure 5-3 Quiescent Current Distribution
OPA397 OPA2397 OPA4397 Closed-Loop Gain and Phase vs Frequency
 
Figure 5-5 Closed-Loop Gain and Phase vs Frequency
OPA397 OPA2397 OPA4397 Input Bias Current vs Common-Mode Voltage
 VS = 3.3V
Figure 5-7 Input Bias Current vs Common-Mode Voltage
OPA397 OPA2397 OPA4397 Output Voltage Swing vs Output Current (Sourcing)
 
Figure 5-9 Output Voltage Swing vs Output Current (Sourcing)
OPA397 OPA2397 OPA4397 Output Voltage Swing vs Output Current (Sourcing)
VS = ±0.85V
Figure 5-11 Output Voltage Swing vs Output Current (Sourcing)
OPA397 OPA2397 OPA4397 CMRR and PSRR vs Frequency
 
Figure 5-13 CMRR and PSRR vs Frequency
OPA397 OPA2397 OPA4397 PSRR vs Temperature
5 Units 
Figure 5-15 PSRR vs Temperature
OPA397 OPA2397 OPA4397 THD+N Ratio vs Frequency
VOUT =  1VRMS
Figure 5-17 THD+N Ratio vs Frequency
OPA397 OPA2397 OPA4397 0.1Hz to 10Hz Noise
 
Figure 5-19 0.1Hz to 10Hz Noise
OPA397 OPA2397 OPA4397 Quiescent Current vs Temperature
5 Units 
Figure 5-21 Quiescent Current vs Temperature
OPA397 OPA2397 OPA4397 Open-Loop Output Impedance vs Frequency
 
Figure 5-23 Open-Loop Output Impedance vs Frequency
OPA397 OPA2397 OPA4397 Small-Signal Overshoot vs Capacitive Load (10‑mV Step)
G = 1
Figure 5-25 Small-Signal Overshoot vs Capacitive Load (10‑mV Step)
OPA397 OPA2397 OPA4397 Positive Overload Recovery
 
Figure 5-27 Positive Overload Recovery
OPA397 OPA2397 OPA4397 Small-Signal Step Response (10mV Step)
G = 1
Figure 5-29 Small-Signal Step Response (10mV Step)
OPA397 OPA2397 OPA4397 Large-Signal Step Response (4V Step)
G = 1
Figure 5-31 Large-Signal Step Response (4V Step)
OPA397 OPA2397 OPA4397 Settling Time
 
Figure 5-33 Settling Time
OPA397 OPA2397 OPA4397 Quiescent Current Distribution
 
Figure 5-2 Quiescent Current Distribution
OPA397 OPA2397 OPA4397 Open-Loop Gain and Phase vs Frequency
 
Figure 5-4 Open-Loop Gain and Phase vs Frequency
OPA397 OPA2397 OPA4397 Input Bias Current vs Common-Mode Voltage
 VS = 1.7V
Figure 5-6 Input Bias Current vs Common-Mode Voltage
OPA397 OPA2397 OPA4397 Input Bias Current vs Common-Mode Voltage
 
Figure 5-8 Input Bias Current vs Common-Mode Voltage
OPA397 OPA2397 OPA4397 Output Voltage Swing vs Output Current (Sinking)
 
Figure 5-10 Output Voltage Swing vs Output Current (Sinking)
OPA397 OPA2397 OPA4397 Output Voltage Swing vs Output Current (Sinking)
VS = ±0.85V
Figure 5-12 Output Voltage Swing vs Output Current (Sinking)
OPA397 OPA2397 OPA4397 CMRR vs Temperature
5 Units 
Figure 5-14 CMRR vs Temperature
OPA397 OPA2397 OPA4397 Voltage Noise vs Frequency
 
Figure 5-16 Voltage Noise vs Frequency
OPA397 OPA2397 OPA4397 THD+N vs Output Amplitude
 f = 1kHz
Figure 5-18 THD+N vs Output Amplitude
OPA397 OPA2397 OPA4397 Quiescent Current vs Supply Voltage
 5 Units
Figure 5-20 Quiescent Current vs Supply Voltage
OPA397 OPA2397 OPA4397 Open-Loop Gain vs Temperature
5 Units 
Figure 5-22 Open-Loop Gain vs Temperature
OPA397 OPA2397 OPA4397 Small-Signal Overshoot vs Capacitive Load (10‑mV Step)
 G = –1
Figure 5-24 Small-Signal Overshoot vs Capacitive Load (10‑mV Step)
OPA397 OPA2397 OPA4397 No Phase Reversal
 
Figure 5-26 No Phase Reversal
OPA397 OPA2397 OPA4397 Negative Overload Recovery
 
Figure 5-28 Negative Overload Recovery
OPA397 OPA2397 OPA4397 Small-Signal Step Response (10mV Step)
G = –1
Figure 5-30 Small-Signal Step Response (10mV Step)
OPA397 OPA2397 OPA4397 Large-Signal Step Response (4V Step)
G = –1
Figure 5-32 Large-Signal Step Response (4V Step)
OPA397 OPA2397 OPA4397 EMIRR vs Frequency
PRF = –10dBm
Figure 5-34 EMIRR vs Frequency