SLOS451C
December 2004 – March 2025
THS4631
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Related Products
5
Pin Configuration 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
6.6
Typical Characteristics
7
Parameter Measurement Information
8
Application and Implementation
8.1
Application Information
8.1.1
Transimpedance Fundamentals
8.1.2
Noise Analysis
8.2
Typical Applications
8.2.1
Wideband Photodiode Transimpedance Amplifier
8.2.1.1
Detailed Design Procedure
8.2.1.1.1
Designing the Transimpedance Circuit
8.2.1.1.2
Measuring Transimpedance Bandwidth
8.2.1.1.3
Summary of Key Decisions in Transimpedance Design
8.2.1.1.4
Selection of Feedback Resistors
8.2.1.2
Application Curves
8.2.2
Alternative Transimpedance Configurations
8.3
Power Supply Recommendations
8.3.1
Slew-Rate Performance With Varying Input-Step Amplitude and Rise-and-Fall Time
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Printed-Circuit Board (PCB) Layout Techniques for High Performance
8.4.1.2
PowerPAD Design Considerations
8.4.1.3
PowerPAD PCB Layout Considerations
8.4.1.4
Power Dissipation and Thermal Considerations
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Design Tools Evaluation Fixture, Spice Models, and Applications Support
9.1.1.1
Bill of Materials
9.1.1.2
EVM
9.1.1.3
EVM Warnings and Restrictions
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
8.2.1
Wideband Photodiode Transimpedance Amplifier
Figure 8-2
Wideband Photodiode Transimpedance Amplifier