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AMC1305x High-Precision, Reinforced Isolated Delta-Sigma Modulators
SBAS654G
June 2014 – January 2020
AMC1305L25
,
AMC1305M05
,
AMC1305M25
PRODUCTION DATA.
CONTENTS
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AMC1305x High-Precision, Reinforced Isolated Delta-Sigma Modulators
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Power Ratings
7.6
Insulation Specifications
7.7
Safety-Related Certifications
7.8
Safety Limiting Values
7.9
Electrical Characteristics: AMC1305M05
7.10
Electrical Characteristics: AMC1305x25
7.11
Switching Characteristics
7.12
Insulation Characteristics Curves
7.13
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Input
8.3.2
Modulator
8.3.3
Digital Output
8.4
Device Functional Modes
8.4.1
Fail-Safe Output
8.4.2
Output Behavior in Case of Full-Scale Input
9
Application and Implementation
9.1
Application Information
9.1.1
Digital Filter Usage
9.2
Typical Applications
9.2.1
Frequency Inverter Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Isolated Voltage Sensing
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Related Links
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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DATA SHEET
AMC1305x High-Precision, Reinforced Isolated Delta-Sigma Modulators
1
Features
Pin-compatible family optimized for shunt-resistor-based current measurements:
±50-mV or ±250-mV input voltage ranges
CMOS or LVDS digital interface options
Excellent DC performance supporting high-precision sensing on system level:
Offset error: ±50 µV or ±150 µV (max)
Offset drift: 1.3 µV/°C (max)
Gain error: ±0.3% (max)
Gain drift: ±40 ppm/°C (max)
Safety-related certifications
:
7000-V
PK
reinforced isolation per
DIN VDE V 0884-11: 2017-01
5000-V
RMS
isolation for 1 minute per UL1577
CAN/CSA no. 5A-component acceptance service notice and IEC 62368-1 end equipment standard
Transient immunity: 15 kV/µs (min)
High electromagnetic field immunity
(see application note
SLLA181A
)
External 5-MHz to 20-MHz clock input for
easier system-level synchronization
Fully specified over the extended industrial temperature range
2
Applications
Shunt-resistor-based current sensing in:
Industrial motor drives
Photovoltaic inverters
Uninterruptible power supplies
Isolated voltage sensing
