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ISO121x Isolated 24-V to 60-V Digital Input Receivers for Digital Input Modules
SLLSEY7F
June 2017 – April 2020
ISO1211
,
ISO1212
PRODUCTION DATA.
CONTENTS
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ISO121x Isolated 24-V to 60-V Digital Input Receivers for Digital Input Modules
1
Features
2
Applications
3
Description
Device Images
Application Diagram
ISO121x Devices Reduce Board Temperatures vs Traditional Solutions
4
Revision History
5
Pin Configuration and Functions
Pin Functions
Pin 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—DC Specification
6.10
Switching Characteristics—AC Specification
6.11
Insulation Characteristics Curves
6.12
Typical Characteristics
7
Parameter Measurement Information
7.1
Test Circuits
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Sinking Inputs
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Setting Current Limit and Voltage Thresholds
9.2.1.2.2
Thermal Considerations
9.2.1.2.3
Designing for 48-V Systems
9.2.1.2.4
Designing for Input Voltages Greater Than 60 V
9.2.1.2.5
Surge, ESD, and EFT Tests
9.2.1.2.6
Multiplexing the Interface to the Host Controller
9.2.1.2.7
Status LEDs
9.2.1.3
Application Curve
9.2.2
Sourcing Inputs
9.2.3
Sourcing and Sinking Inputs (Bidirectional Inputs)
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Related Links
12.4
Receiving Notification of Documentation Updates
12.5
Community Resource
12.6
Trademarks
12.7
Electrostatic Discharge Caution
12.8
Glossary
13
Mechanical, Packaging, and Orderable Information
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DATA SHEET
ISO121x Isolated 24-V to 60-V Digital Input Receivers for Digital Input Modules
1
Features
Compliant to IEC 61131-2; Type 1, 2, 3 characteristics for 24-V isolated digital inputs
Supports 9-V to 300-V DC and AC digital input designs using external resistors
Accurate Current Limit for Low-Power Dissipation:
2.2 mA to 2.47 mA for Type 3
Adjustable up to 6.5 mA
Eliminates the need for field-side power supply
High input-voltage range with reverse polarity protection: ±60 V
Wire-break detection (refer to
TIDA-01509
)
Configurable as sourcing or sinking input
High data rates: up to 4 Mbps
Enable pin to multiplex output signals
High transient immunity: ±70-kV/µs CMTI
Wide supply range (V
CC1
): 2.25 V to 5.5 V
Ambient temperature range: –40°C to +125°C
Compact package options:
Single-channel
ISO1211
, SOIC-8
Dual-channel
ISO1212
, SSOP-16
Safety-Related Certifications
:
Basic insulation per DIN VDE V 0884-11
UL 1577 recognition, 2500-V
RMS
insulation
IEC 60950-1, IEC 62368-1, IEC 61010-1 and GB 4943.1-2011 certifications
2
Applications
Programmable Logic Controller (PLC)
Digital Input Modules
Mixed I/O Modules
Motor Drive I/O and Position Feedback
CNC Control
Data Acquisition
Binary Input Modules