Datasheet BUF802 (Texas Instruments) - 2
| Manufacturer | Texas Instruments |
| Description | Wide-Bandwidth, 2.3-nv/√hz, High-input Impedance Jfet Buffer |
| Pages / Page | 38 / 2 — BUF802. www.ti.com. Table of Contents. 1 Features. 2 Applications. 3 … |
| File Format / Size | PDF / 2.1 Mb |
| Document Language | English |
BUF802. www.ti.com. Table of Contents. 1 Features. 2 Applications. 3 Description. 9 Application and Implementation
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BUF802
SBOS998C – JUNE 2021 – REVISED MARCH 2022
www.ti.com Table of Contents 1 Features
..1 8.3 Feature Description...16
2 Applications
... 1 8.4 Device Functional Modes..19
3 Description
...1
9 Application and Implementation
.. 22
4 Revision History
.. 2 9.1 Application Information... 22
5 Pin Configuration and Functions
...3 9.2 Typical Application.. 22
6 Specifications
.. 4
10 Power Supply Recommendations
..27 6.1 Absolute Maximum Ratings.. 4
11 Layout
... 27 6.2 ESD Ratings... 4 11.1 Layout Guidelines... 27 6.3 Recommended Operating Conditions...4 11.2 Layout Example.. 28 6.4 Thermal Information..4
12 Device and Documentation Support
..30 6.5 Electrical Characteristics: Wide Bandwidth Mode...5 12.1 Documentation Support.. 30 6.6 Electrical Characteristics: Low Quiescent 12.2 Receiving Notification of Documentation Updates..30 Current Mode.. 7 12.3 Support Resources... 30 6.7 Typical Characteristics.. 8 12.4 Trademarks...30
7 Parameter Measurement Information
... 14 12.5 Electrostatic Discharge Caution..30
8 Detailed Description
..15 12.6 Glossary..30 8.1 Overview... 15
13 Mechanical, Packaging, and Orderable
8.2 Functional Block Diagram... 15
Information
.. 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (February 2022) to Revision C (March 2022) Page
• Relaxed DC Gain specifications... 5 • Relaxed DC Gain specifications... 7
Changes from Revision A (December 2021) to Revision B (February 2022) Page
• Updated the Application and Implementation section...24
Changes from Revision * (June 2021) to Revision A (December 2021) Page
• Changed the status of the data sheet from: Advanced Information to: Production Data ...1 2 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: BUF802 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 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: Wide Bandwidth Mode 6.6 Electrical Characteristics: Low Quiescent Current Mode 6.7 Typical Characteristics 7 Parameter Measurement Information 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Input and Output Over-Voltage Clamp 8.3.2 Adjustable Quiescent Current 8.3.3 ESD Structure 8.4 Device Functional Modes 8.4.1 Buffer Mode (BF Mode) 8.4.2 Composite Loop Mode (CL Mode) 9 Application and Implementation 9.1 Application Information 9.2 Typical Application 9.2.1 Oscilloscope Front-End Amplifier Design 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curves 9.2.2 Transforming a Wide-Bandwidth, 50 Ω Input Signal Chain to High-Input Impedance 9.2.2.1 Detailed Design Results 9.2.2.2 Application Curves 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation 12.2 Receiving Notification of Documentation Updates 12.3 Support Resources 12.4 Trademarks 12.5 Electrostatic Discharge Caution 12.6 Glossary 13 Mechanical, Packaging, and Orderable Information
BUF802
SBOS998C – JUNE 2021 – REVISED MARCH 2022
www.ti.com Table of Contents 1 Features
..1 8.3 Feature Description...16
2 Applications
... 1 8.4 Device Functional Modes..19
3 Description
...1
9 Application and Implementation
.. 22
4 Revision History
.. 2 9.1 Application Information... 22
5 Pin Configuration and Functions
...3 9.2 Typical Application.. 22
6 Specifications
.. 4
10 Power Supply Recommendations
..27 6.1 Absolute Maximum Ratings.. 4
11 Layout
... 27 6.2 ESD Ratings... 4 11.1 Layout Guidelines... 27 6.3 Recommended Operating Conditions...4 11.2 Layout Example.. 28 6.4 Thermal Information..4
12 Device and Documentation Support
..30 6.5 Electrical Characteristics: Wide Bandwidth Mode...5 12.1 Documentation Support.. 30 6.6 Electrical Characteristics: Low Quiescent 12.2 Receiving Notification of Documentation Updates..30 Current Mode.. 7 12.3 Support Resources... 30 6.7 Typical Characteristics.. 8 12.4 Trademarks...30
7 Parameter Measurement Information
... 14 12.5 Electrostatic Discharge Caution..30
8 Detailed Description
..15 12.6 Glossary..30 8.1 Overview... 15
13 Mechanical, Packaging, and Orderable
8.2 Functional Block Diagram... 15
Information
.. 30
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (February 2022) to Revision C (March 2022) Page
• Relaxed DC Gain specifications... 5 • Relaxed DC Gain specifications... 7
Changes from Revision A (December 2021) to Revision B (February 2022) Page
• Updated the Application and Implementation section...24
Changes from Revision * (June 2021) to Revision A (December 2021) Page
• Changed the status of the data sheet from: Advanced Information to: Production Data ...1 2 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: BUF802 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 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: Wide Bandwidth Mode 6.6 Electrical Characteristics: Low Quiescent Current Mode 6.7 Typical Characteristics 7 Parameter Measurement Information 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Input and Output Over-Voltage Clamp 8.3.2 Adjustable Quiescent Current 8.3.3 ESD Structure 8.4 Device Functional Modes 8.4.1 Buffer Mode (BF Mode) 8.4.2 Composite Loop Mode (CL Mode) 9 Application and Implementation 9.1 Application Information 9.2 Typical Application 9.2.1 Oscilloscope Front-End Amplifier Design 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curves 9.2.2 Transforming a Wide-Bandwidth, 50 Ω Input Signal Chain to High-Input Impedance 9.2.2.1 Detailed Design Results 9.2.2.2 Application Curves 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation 12.2 Receiving Notification of Documentation Updates 12.3 Support Resources 12.4 Trademarks 12.5 Electrostatic Discharge Caution 12.6 Glossary 13 Mechanical, Packaging, and Orderable Information
