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AMC3311-Q1 Automotive, Precision, 2-V Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter
SBASAQ4A
june 2023 – august 2023
AMC3311-Q1
PRODUCTION DATA
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AMC3311-Q1 Automotive, Precision, 2-V Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter
1
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
7.3.4
Isolated DC/DC Converter
7.3.5
Diagnostic Output and Fail-Safe Behavior
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
Input Filter Design
8.2.2.2
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
Device Support
9.1.1
Device Nomenclature
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
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DWE|16
MPSS091
Thermal pad, mechanical data (Package|Pins)
Orderable Information
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Data Sheet
AMC3311-Q1
Automotive, Precision, 2-V Input, Reinforced Isolated Amplifier
With Integrated DC/DC Converter
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
Single-supply operation (3.3 V or 5 V) with integrated DC/DC converter
Input voltage range (2 V) optimized for voltage measurements with high input impedance
Fixed gain: 1.0
Low DC errors:
Offset error: ±1 mV (max)
Offset drift: ±10 µV/°C (max)
Gain error: ±0.2% (max)
Gain drift: ±40 ppm/°C (max)
Nonlinearity: ±0.02% (max)
High CMTI: 85 kV/µs (min)
System-level diagnostic features
Meets CISPR-11 and CISPR-25 EMI standards
Safety-related certifications:
6000-V
PK
reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
4250-V
RMS
isolation for 1 minute per UL1577