SBAS920B
October 2018 – June 2022
AMC1302-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
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
Power Ratings
6.6
Insulation Specifications
6.7
Safety-Related Certifications
6.8
Safety Limiting Values
6.9
Electrical Characteristics
6.10
Switching Characteristics
6.11
Timing Diagram
6.12
Insulation Characteristics Curves
6.13
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Analog Input
7.3.2
Isolation Channel Signal Transmission
7.3.3
Analog Output
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Shunt Resistor Sizing
8.2.2.2
Input Filter Design
8.2.2.3
Differential to Single-Ended Output Conversion
8.2.3
Application Curve
8.3
What to Do and What Not to Do
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DWV|8
MPDS382B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas920b_oa
sbas920b_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to 125°C, T
A
Functional Safety-Capable
Documentation available to aid functional safety system design
±50-mV input voltage range optimized for current measurements using shunt resistors
Fixed gain: 41
Low DC errors:
Offset error: ±50 μV (max)
Offset drift: ±0.8 μV/°C (max)
Gain error: ±0.2% (max)
Gain drift: ±35 ppm/°C (max)
Nonlinearity: 0.03% (max)
3.3-V or 5-V operation on high-side and low-side
Fail-safe output
High CMTI: 100 kV/µs (min)
Low EMI, meets CISPR-11 and CISPR-25 standards
Safety-related certifications:
7000-V
PK
reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
5000-V
RMS
isolation for 1 minute per UL1577