SBOSA77A
March 2023 – April 2024
OPA928
PRODUCTION DATA
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: 4.5V ≤ VS < 8V
5.6
Electrical Characteristics: 8V ≤ VS ≤ 16V
5.7
Electrical Characteristics: 16V < VS ≤ 36V
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Guard Buffer
6.3.2
Input Protection
6.3.3
Thermal Protection
6.3.4
Capacitive Load and Stability
6.3.5
EMI Rejection
6.3.6
Common-Mode Voltage Range
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.1.1
Contamination Considerations
7.1.2
Guarding Considerations
7.1.3
Single-Supply Considerations
7.1.4
Humidity Considerations
7.1.5
Dielectric Relaxation
7.1.6
Shielding
7.2
Typical Applications
7.2.1
High-Impedance Amplifier
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.3
Application Curve
7.2.2
Transimpedance Amplifier
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.2.1
Input Bias
7.2.2.2.2
Offset Voltage
7.2.2.2.3
Stability
7.2.2.2.4
Noise
7.2.3
Improved Diode Limiter
7.2.4
Instrumentation Amplifier
7.3
Power-Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Examples
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
PSpice® for TI
8.1.1.2
TINA-TI™ Simulation Software (Free Download)
8.1.1.3
TI Reference Designs
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
Revision History
10
Mechanical, Packaging, and Orderable Information
Data Sheet
OPA928 36V, Femtoampere Input Bias, Precision, Rail-to-Rail Input/Output, e‑trim™ Operational Amplifier