SBAS738A
June 2018 – October 2018
ISO224
PRODUCTION DATA.
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
7.10
Switching Characteristics
7.11
Insulation Characteristics Curves
7.12
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
Input Clamp Protection Circuit
8.3.3
Isolation Channel Signal Transmission
8.3.4
Fail-Safe Output
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
What to Do and What Not to Do
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
1
Features
Offered in High-Grade (ISO224B) and Low-Grade (ISO224A) Versions
±12-V Input Voltage Range Optimized for Isolated Voltage Measurement in Industrial Applications
Overvoltage Input Clamp With 9-kV ESD
±4-V Differential Output Voltage Range With Common-Mode at VDD2 / 2
Low DC-Error Operation (ISO224B):
Input Offset: ±5 mV at 25°C, ±15 µV/°C max
Gain Error: ±0.3% at 25°C, ±35 ppm/°C max
Nonlinearity: ±0.01% max, ±0.1 ppm/°C typ
4.5-V to 18-V Single-Supply on High-Side
4.5-V to 5.5-V Operation on Low-Side
Safety-Related Certifications:
7071-V
PEAK
Reinforced Isolation per DIN VDE V 0884-11: 2017-01
5000-V
RMS
Isolation for 1 Minute per UL1577
High CMTI (ISO224B): 80 kV/µs (typ)
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