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OPA810 140MHz, Rail-to-Rail Input and Output, FET-Input Operational Amplifier
SBOS799E
August 2019 – August 2024
OPA810
PRODUCTION DATA
CONTENTS
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OPA810 140MHz, Rail-to-Rail Input and Output, FET-Input Operational Amplifier
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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: 10 V
6.6
Electrical Characteristics: 24 V
6.7
Electrical Characteristics: 5 V
6.8
Typical Characteristics: VS = 10 V
6.9
Typical Characteristics: VS = 24 V
6.10
Typical Characteristics: VS = 5 V
6.11
Typical Characteristics: ±2.375-V to ±12-V Split Supply
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
OPA810 Architecture
7.3.2
ESD Protection
7.4
Device Functional Modes
7.4.1
Split-Supply Operation (±2.375 V to ±13.5 V)
7.4.2
Single-Supply Operation (4.75 V to 27 V)
8
Application and Implementation
8.1
Application Information
8.1.1
Amplifier Gain Configurations
8.1.2
Selection of Feedback Resistors
8.1.3
Noise Analysis and the Effect of Resistor Elements on Total Noise
8.2
Typical Applications
8.2.1
Transimpedance Amplifier
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
High-Z Input Data Acquisition Front-End
8.2.3
Multichannel Sensor Interface
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Thermal Considerations
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Third-Party Products Disclaimer
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
IMPORTANT NOTICE
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Data Sheet
OPA810 140MHz, Rail-to-Rail Input and Output, FET-Input Operational Amplifier
1
Features
Gain-bandwidth product: 70MHz
Small-signal bandwidth: 140MHz
Slew rate: 200V/µs
Wide supply range: 4.75V to 27V
Low noise:
Input voltage noise: 6.3nV/√Hz (f = 500kHz)
Input current noise: 5fA/√Hz (f = 10kHz)
Rail-to-rail input and output:
FET input stage: 2pA input bias current (typical)
High linear output current: 75mA
Input offset: ±500µV (maximum)
Offset drift: ±2.5µV/°C (typical)
Low power: 3.7mA/channel
Extended temperature range: –40°C to +125°C
Dual-channel version:
OPA2810
