SBOSAI0B
December 2023 – September 2024
OPA310-Q1
PRODMIX
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 for Single Channel
5.5
Thermal Information for Dual Channel
5.6
Thermal Information for Quad Channel
5.7
Electrical Characteristics
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Operating Voltage
6.3.2
Rail-to-Rail Input
6.3.3
Rail-to-Rail Output
6.3.4
Capacitive Load and Stability
6.3.5
Overload Recovery
6.3.6
EMI Rejection
6.3.7
ESD and Electrical Overstress
6.3.8
Input ESD Protection
6.3.9
Shutdown Function
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
OPAx310-Q1 Low-Side, Current Sensing Application
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.3
Application Curve
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
1
Features
High output current: ±150mA typical I
SC
at 5.5V
Fast enable from shutdown: 0.9µs typical
Wide operational supply voltage: 1.5V to 5.5V
Low input offset voltage: ±250µV typical
Fail-safe inputs: No diode from inputs to V+
Optimized quiescent current: 165µA/ch typical
Rail-to-rail input and output
Gain bandwidth product: 3MHz typical at 5.5V
Thermal noise floor: 16nV/√
Hz
typical
Unity-gain stable
Drives up to 250pF without sustained oscillations
Internal RFI and EMI filtered input pins
Operating temperature range: –40°C to 125°C