SNOSDM7
August 2025
OPA4H838-SEP
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics: VS = ±1.25V to ±2.75V (VS = 2.5 to 5.5V)
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Operating Voltage
6.3.2
Input Voltage and Zero-Crossover Functionality
6.3.3
Input Differential Voltage
6.3.4
Internal Offset Correction
6.3.5
EMI Susceptibility and Input Filtering
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.2.1
Bidirectional Current-Sensing
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.3
Application Curve
7.2.2
Single Operational Amplifier Bridge Amplifier
7.2.3
Precision, Low-Noise, DAC Buffer
7.2.4
Load Cell Measurement
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
TINA-TI™ Simulation Software (Free Download)
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|14
MPDS360A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snosdm7_oa
Data Sheet
OPA4H838-SEP
Precision, Zero-Drift, Zero-Crossover, True Rail-to-Rail Input/Output Operational Amplifiers