SBOS867E
August 2017 – August 2025
OPA838
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Related Products
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics VS = 5 V
6.6
Electrical Characteristics VS = 3 V
6.7
Typical Characteristics: VS = 5 V
6.8
Typical Characteristics: VS = 3 V
6.9
Typical Characteristics: Over Supply Range
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Common-Mode Voltage Range
7.3.2
Output Voltage Range
7.3.3
Power-Down Operation
7.3.4
Trade-Offs in Selecting The Feedback Resistor Value
7.3.5
Driving Capacitive Loads
7.4
Device Functional Modes
7.4.1
Split-Supply Operation (±1.35 V to ±2.7 V)
7.4.2
Single-Supply Operation (2.7 V to 5.4 V)
7.4.3
Power Shutdown Operation
8
Application and Implementation
8.1
Application Information
8.1.1
Noninverting Amplifier
8.1.2
Inverting Amplifier
8.1.3
Output DC Error Calculations
8.1.4
Output Noise Calculations
8.2
Typical Applications
8.2.1
High-Gain Differential I/O Designs
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Transimpedance Amplifier
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.1.1
TINA-TI™ Simulation Software (Free Download)
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Data Sheet
OPA838 1mA, 300MHz Gain Bandwidth, Voltage-Feedback Op Amp