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AMC1301-Q1 Automotive, Precision, ±250-mV Input, Reinforced Isolated Amplifier
SBAS792B
april 2017 – april 2023
AMC1301-Q1
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CONTENTS
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AMC1301-Q1 Automotive, Precision, ±250-mV Input, Reinforced Isolated Amplifier
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
Best Design Practices
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DWV|8
MPDS382B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas792b_oa
sbas792b_pm
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DATA SHEET
AMC1301-Q1 Automotive, Precision, ±250-mV Input, Reinforced Isolated Amplifier
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
±250-mV input voltage range optimized for current measurements using shunt resistors
Fixed gain: 8.2 V/V
Low DC errors:
Offset error: ±0.2 mV (max)
Offset drift: ±3 µV/°C (max)
Gain error: ±0.3% (max)
Gain drift: ±50 ppm/°C (max)
Nonlinearity: 0.03% (max)
3.3-V operation on high-side and low-side
System-level diagnostic features
Safety-related certifications:
7070-V
PK
reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
5000-V
RMS
isolation for 1 minute per UL1577
2
Applications
Shunt-based current sensing or resistor-divider-based voltage sensing in:
Traction inverters
Onboard chargers (OBC)
DC/DC converters
Battery management systems (BMS)