SBOSA80
December 2021
REF20-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
8.1
Solder Heat Shift
8.2
Long-Term Stability
8.3
Thermal Hysteresis
8.4
Noise Performance
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
VREF and VBIAS Tracking
9.3.2
Low Temperature Drift
9.3.3
Load Current
9.4
Device Functional Modes
10
Applications and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Low-Side, Current-Sensing Application
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Shunt Resistor
10.2.1.2.2
Differential Amplifier
10.2.1.2.3
Voltage Reference
10.2.1.2.4
Error Calculations
10.2.1.2.5
Application Curves
11
Power-Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDC|5
MPDS123G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosa80_oa
sbosa80_pm
10.2.1.1
Design Requirements
The design requirements are as follows:
Supply voltage: 5.0 V
Load current: ±2.5 A
Output: 250 mV to 2.75 V
Maximum shunt voltage: ±25 mV