Single-channel Isolated 24-V to 60-V digital input receiver for digital input modules


Product details


Number of channels (#) 1 Forward/reverse channels 1/0 Isolation rating (Vrms) 2500 Data rate (Max) (Mbps) 4 Rating Catalog Supply voltage (Max) (V) 60 Supply voltage (Min) (V) 2.25 Surge voltage capability (Vpk) 5200 Operating temperature range (C) -40 to 125 Propagation delay (Typ) (ns) 140 open-in-new Find other Isolated digital inputs

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 open-in-new Find other Isolated digital inputs

Technical documentation

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Type Title Date
* Data sheet ISO121x Isolated 24-V to 60-V Digital Input Receivers for Digital Input Modules datasheet (Rev. F) Apr. 16, 2020
Certificate CSA Certification (Rev. Q) Jun. 14, 2021
Certificate VDE Certificate for Basic Isolation for DIN VDE V 0884-11:2017-01 (Rev. R) Jun. 14, 2021
Certificate UL Certification (Rev. O) Feb. 03, 2021
Technical article Understand and apply safety-limiting values for digital isolators Jan. 20, 2021
Application note HHow to Design Isolated Digital Input Modules for Surge Immunity Mar. 31, 2020
Certificate TUV certificate for isolation devices (Rev. I) Mar. 14, 2020
Technical article Solving lifetime and temperature challenges in AC motor drives with capacitive-based isolation Nov. 01, 2019
Technical article Optocouplers and silicon-based galvanic isolation technology – how do they work? Oct. 28, 2019
Certificate CQC Certification (Rev. F) Sep. 13, 2019
White paper How Capacitive Isolation Solves Key Challenges in AC Motor Drives Aug. 23, 2019
Application note An Isolated 24 V Power Supply Window Monitor Aug. 01, 2019
Technical article What are isolated digital inputs? Mar. 08, 2019
Application note Space saving design techniques for multi-channel high-voltage DI modules (Rev. B) Oct. 02, 2018
Application note How to Design Isolated Comparators for ±48V, 110V and 240V DC and AC Detection (Rev. A) Mar. 14, 2018
Application note How To Simplify Isolated 24-V PLC Digital Input Module Designs (Rev. B) Mar. 14, 2018
Application note ISO121x Threshold Calculator for 9V to 300V DC and AC Voltage Detection Mar. 01, 2018
User guide ISO1211 Isolated Digital-Input Receiver Evaluation Module (Rev. A) Jan. 18, 2018
Application note How to Improve Speed and Reliability of Isolated Digital Inputs in Motor Drives Dec. 16, 2017
Application note How to use isolation to improve ESD, EFT and surge immunity in industrial system Jul. 24, 2017

Design & development

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Hardware development

document-generic User guide
The ISO1211EVM is an evaluaiton module (EVM) used to evaluate the ISO1211 isolated industrial reciever that can receive a 9-V to 60-V field input and provide an isolated digital output. The EVM accomodates two ISO1211 devices showcasing 2 channel functionality. The EVM features enough test (...)
  • Supports IEC 61131-2 Type 1/2/3 characteristics PLC standards
  • Upto 5-Mbps data rate
  • Does not need a field-side supply

Design tools & simulation

SLLM372B.ZIP (52 KB) - IBIS Model
SLLM383C.ZIP (117 KB) - PSpice Model
SLLM389A.ZIP (12 KB) - TINA-TI Spice Model
SLLM390.TSC (1859 KB) - TINA-TI Reference Design
SLLM390A.TSC (1859 KB) - TINA-TI Reference Design
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

Reference designs

Broken Wire Detection Using An Optical Switch Reference Design
TIDA-01509 — This reference design shows a compact implementation of 16 isolated digital input channels using TI's ISO121x devices. The design is split into two groups of eight channels each. A broken wire detection can be executed using only one additional optical switch for each channel or two optical switches (...)
document-generic Schematic document-generic User guide
Sub 1-W, 16-Channel, Isolated Digital Input Module Reference Design
TIDA-01508 — This reference design shows a compact implementation of 16 isolated digital input channels using TI's ISO121x devices. The design works without an isolated supply and supports up to 100-kHz input signals (200-kbit) per channel. All 16 channels consume less than 1-W input power combined, which (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

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SOIC (D) 8 View options

Ordering & quality

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