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AMC1336 Small, High-Precision, Reinforced Isolated Delta-Sigma Modulator for Voltage Sensing Applications
SBAS951B
August 2019 – April 2020
AMC1336
PRODUCTION DATA.
CONTENTS
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AMC1336 Small, High-Precision, Reinforced Isolated Delta-Sigma Modulator for Voltage Sensing Applications
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
Table 1.
Absolute Maximum Ratings
Table 2.
ESD Ratings
Table 3.
Recommended Operating Conditions
Table 4.
Thermal Information
Table 5.
Power Ratings
Table 6.
Insulation Specifications
Table 7.
Safety-Related Certifications
Table 8.
Safety Limiting Values
Table 9.
Electrical Characteristics
Table 10.
Switching Characteristics
6.1
Insulation Characteristics Curves
6.2
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
Modulator
7.3.3
Isolation Channel Signal Transmission
7.3.4
Clock Input
7.3.5
Digital Output
7.4
Device Functional Modes
7.4.1
Output Behavior in Case of a Full-Scale Input
7.4.2
AVDD Diagnostics and Fail-Safe Output
8
Application and Implementation
8.1
Application Information
8.1.1
Digital Filter Usage
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
8.2.4
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
Device Support
11.1.1
Device Nomenclature
11.1.1.1
Isolation Glossary
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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DATA SHEET
AMC1336 Small, High-Precision, Reinforced Isolated Delta-Sigma Modulator for Voltage Sensing Applications
1
Features
Input structure optimized for voltage measurements:
Input voltage range: ±1 V
Input resistance: 1.5 GΩ (typ)
Excellent DC performance:
Offset error: ±0.5 mV (max)
Offset drift: ±4 µV/°C (max)
Gain error: ±0.25% (max)
Gain drift: ±40 ppm/°C (max)
Transient immunity: 115 kV/µs (typ)
Missing high-side supply detection
Safety-related certifications:
8000-V
PEAK
reinforced isolation per DIN VDE V 0884-11: 2017-01
5700-V
RMS
isolation for 1 minute per UL1577
IEC 62368-1 end equipment standard
2
Applications
Isolated AC and DC voltage measurement in:
Uninterruptible power supplies
Photovoltaic inverters
Motor drives
