SNOSDM7A August   2025  – April 2026 OPA4H838-SEP

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 = ±1.25 V to ±2.75 V (VS = 2.5 to 5.5 V)
    6. 5.6 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 Operating Voltage
      2. 6.3.2 Input Voltage and Zero-Crossover Functionality
      3. 6.3.3 Input Differential Voltage
      4. 6.3.4 Internal Offset Correction
      5. 6.3.5 EMI Susceptibility and Input Filtering
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    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 Single Operational Amplifier Bridge Amplifier
      3. 7.2.3 Programmable High-Side Current Source
      4. 7.2.4 Load Cell Measurement
    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 Third-Party Products Disclaimer
      2. 8.1.2 Development Support
        1. 8.1.2.1 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

5.6 Typical Characteristics

at TA = 25°C, VS = ±2.5V, VCM = VS / 2, RLOAD = 10kΩ connected to VS / 2, and CL = 100pF (unless otherwise noted)

Table 5-1 Table of Graphs
DESCRIPTIONFIGURE
Offset Voltage Production DistributionFigure 5-1
Offset Voltage Drift Distribution From –40°C to +125°CFigure 5-2
Offset Voltage vs TemperatureFigure 5-3
Offset Voltage vs Common-Mode VoltageFigure 5-4
Offset Voltage vs Power SupplyFigure 5-5
Offset Voltage vs Power SupplyFigure 5-6
Offset Voltage Long Term DriftFigure 5-7
Open-Loop Gain and Phase vs FrequencyFigure 5-8
Closed-Loop Gain and Phase vs FrequencyFigure 5-9
Input Bias Current vs Common-Mode VoltageFigure 5-10
Input Bias Current vs TemperatureFigure 5-11
Output Voltage Swing vs Output Current (Maximum Supply)Figure 5-12
CMRR and PSRR vs FrequencyFigure 5-13
CMRR vs TemperatureFigure 5-14
PSRR vs TemperatureFigure 5-15
0.1Hz to 10Hz NoiseFigure 5-16
Input Voltage Noise Spectral Density vs FrequencyFigure 5-17
THD+N Ratio vs FrequencyFigure 5-18
THD+N vs Output AmplitudeFigure 5-19
Spectral ContentFigure 5-20, Figure 5-21
Quiescent Current vs Supply VoltageFigure 5-22
Quiescent Current vs TemperatureFigure 5-23
Open-Loop Gain vs TemperatureFigure 5-24
Open-Loop Output Impedance vs FrequencyFigure 5-25
Small-Signal Overshoot vs Capacitive Load (10mV Step)Figure 5-26
No Phase ReversalFigure 5-27
Positive Overload RecoveryFigure 5-28
Negative Overload RecoveryFigure 5-29
Small-Signal Step Response (10mV Step)Figure 5-30, Figure 5-31
Large-Signal Step Response (4V Step)Figure 5-32 , Figure 5-33
Settling TimeFigure 5-34, Figure 5-35
Short-Circuit Current vs TemperatureFigure 5-36
Maximum Output Voltage vs FrequencyFigure 5-37
EMIRR vs FrequencyFigure 5-38
OPA4H838-SEP Offset Voltage Production Distribution
Figure 5-1 Offset Voltage Production Distribution
OPA4H838-SEP Offset Voltage vs Temperature
 
Figure 5-3 Offset Voltage vs Temperature
OPA4H838-SEP Offset Voltage vs Supply Voltage
 
Figure 5-5 Offset Voltage vs Supply Voltage
OPA4H838-SEP Offset Voltage Long Term Drift
3 typical units
Figure 5-7 Offset Voltage Long Term Drift
OPA4H838-SEP Closed-Loop Gain and Phase vs Frequency
 
Figure 5-9 Closed-Loop Gain and Phase vs Frequency
OPA4H838-SEP Input Bias Current vs Temperature
 
Figure 5-11 Input Bias Current vs Temperature
OPA4H838-SEP CMRR and PSRR vs Frequency
 
Figure 5-13 CMRR and PSRR vs Frequency
OPA4H838-SEP PSRR vs Temperature
 
Figure 5-15 PSRR vs Temperature
OPA4H838-SEP Input Voltage Noise Spectral Density vs Frequency
 
Figure 5-17 Input Voltage Noise Spectral Density vs Frequency
OPA4H838-SEP THD+N vs Output Amplitude
 
Figure 5-19 THD+N vs Output Amplitude
OPA4H838-SEP Spectral Content (With 2kΩ Load)
G = +1, f = 1kHz, VO = 4.5VPP, RL = 2kΩ, BW = 90kHz
Figure 5-21 Spectral Content (With 2kΩ Load)
OPA4H838-SEP Quiescent Current vs Temperature
 
Figure 5-23 Quiescent Current vs Temperature
OPA4H838-SEP Open-Loop Output Impedance vs Frequency
 
Figure 5-25 Open-Loop Output Impedance vs Frequency
OPA4H838-SEP No Phase Reversal
 
Figure 5-27 No Phase Reversal
OPA4H838-SEP Negative Overload Recovery
 
Figure 5-29 Negative Overload Recovery
OPA4H838-SEP Small-Signal Step Response (10mV Step)
G = –1
Figure 5-31 Small-Signal Step Response (10mV Step)
OPA4H838-SEP Large-Signal Step Response (4V Step)
Rising output
Figure 5-33 Large-Signal Step Response (4V Step)
OPA4H838-SEP Settling Time (1V Negative Step)
0.01% settling = ±200 µV
Figure 5-35 Settling Time (1V Negative Step)
OPA4H838-SEP Maximum Output Voltage vs Frequency
 
Figure 5-37 Maximum Output Voltage vs Frequency
OPA4H838-SEP Offset Voltage Drift Distribution From –40°C to +125°C
Figure 5-2 Offset Voltage Drift Distribution From –40°C to +125°C
OPA4H838-SEP Offset Voltage vs Common-Mode Voltage
 
Figure 5-4 Offset Voltage vs Common-Mode Voltage
OPA4H838-SEP Offset Voltage vs Supply Voltage
 
Figure 5-6 Offset Voltage vs Supply Voltage
OPA4H838-SEP Open-Loop Gain and Phase vs Frequency
 
Figure 5-8 Open-Loop Gain and Phase vs Frequency
OPA4H838-SEP Input Bias Current vs Common-Mode Voltage
 
Figure 5-10 Input Bias Current vs Common-Mode Voltage
OPA4H838-SEP Output Voltage Swing vs Output Current (Maximum Supply)
 
Figure 5-12 Output Voltage Swing vs Output Current (Maximum Supply)
OPA4H838-SEP CMRR vs Temperature
 
Figure 5-14 CMRR vs Temperature
OPA4H838-SEP 0.1Hz to 10Hz Noise
 
Figure 5-16 0.1Hz to 10Hz Noise
OPA4H838-SEP THD+N Ratio vs Frequency
 
Figure 5-18 THD+N Ratio vs Frequency
OPA4H838-SEP Spectral Content (With 10kΩ Load)
G = +1, f = 1kHz, VO = 4.5VPP, RL = 10kΩ, BW = 90kHz
Figure 5-20 Spectral Content (With 10kΩ Load)
OPA4H838-SEP Quiescent Current vs Supply Voltage
 
Figure 5-22 Quiescent Current vs Supply Voltage
OPA4H838-SEP Open-Loop Gain vs Temperature
 
Figure 5-24 Open-Loop Gain vs Temperature
OPA4H838-SEP Small-Signal Overshoot vs Capacitive Load (10mV Step)
 
Figure 5-26 Small-Signal Overshoot vs Capacitive Load (10mV Step)
OPA4H838-SEP Positive Overload Recovery
 
Figure 5-28 Positive Overload Recovery
OPA4H838-SEP Small-Signal Step Response (10mV Step)
G = +1
Figure 5-30 Small-Signal Step Response (10mV Step)
OPA4H838-SEP Large-Signal Step Response (4V Step)
Falling output
Figure 5-32 Large-Signal Step Response (4V Step)
OPA4H838-SEP Settling Time (1V Positive Step)
0.01% settling = ±100 µV
Figure 5-34 Settling Time (1V Positive Step)
OPA4H838-SEP Short-Circuit Current vs Temperature
 
Figure 5-36 Short-Circuit Current vs Temperature
OPA4H838-SEP EMIRR vs Frequency
PRF = –10dBm
Figure 5-38 EMIRR vs Frequency