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MAX14914A

INTERACTIVE Data Sheet Download

High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration

Ultra Robust, Configurable Driver facilitates High Speed and Safety Digital I/O module Designs

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Product Details

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Key Features

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Parametric specs for Digital I/O
Digital Input/Output Digital I/O
Interface Type CMOS
# Channels 1
VSUPPLY (V) (min) 10
VSUPPLY (V) (max) 40
ISUPPLY (µA) (typ) 0.6
Digital Input Type Type 1
Type 2
Type 3
Current Limit (A) (min) 0.135
Current Limit (A) (max) 2.6
Min. Detectable Field Input Pulse Width (µs) 0.8
Load Current (A) (max) 1.3
Oper. Temp. (°C) -40 to +125
Package/Pins TQFN/16
Budgetary
Price (See Notes) 		2.27
Compare products in Family
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Simplified Block Diagram

Technical Docs

Data Sheet High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration Sep 21, 2020
App Note Configurable Input/Output Modes for PLC Systems Using the MAX22000 and MAX14914A
User Guide MAXREFDES185# Universal IO Quick Start Guide

Support & Training

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Parameters

Parametric specs for Digital I/O
Digital Input/Output Digital I/O
Interface Type CMOS
# Channels 1
VSUPPLY (V) (min) 10
VSUPPLY (V) (max) 40
ISUPPLY (µA) (typ) 0.6
Digital Input Type Type 1
Type 2
Type 3
Current Limit (A) (min) 0.135
Current Limit (A) (max) 2.6
Min. Detectable Field Input Pulse Width (µs) 0.8
Load Current (A) (max) 1.3
Oper. Temp. (°C) -40 to +125
Package/Pins TQFN/16
Budgetary
Price (See Notes) 		2.27
Compare products in Family
See parametric specs for Digital I/O

Key Features

  • Reduces Power and Heat Dissipation
    • 240mΩ (max) HS RON at TA = 125°C
    • 0.9mA (typ) High-Side DO-Mode Supply Current
    • Accurate Internal Current Limiter for Type 1, Type 2, and Type 3 Digital Inputs
  • Enhances System Robustness
    • SafeDemag™ for Safe Turn-Off of Unlimited Inductance
    • 60V Supply Tolerance
    • Accurate Short-Circuit DO Mode Current Limiting
    • ±2kV IEC 61000-4-5 Surge Protection
    • ±20kV IEC 61000-4-2 Air-Gap ESD Protection
    • ±7kV IEC 61000-4-2 Contact ESD Protection
    • -40°C to +125°C Ambient Operating Temperature
  • Reduces BOM Count and PCB Space
    • Small 4mm x 4mm TQFN Package
    • Internal Clamp for Fast Inductive Load Turn-Off
    • On-Chip 5V Regulator
  • Provides Flexibility
    • Configurable as a Digital Input, or a High-Side or Push-Pull Digital Output
    • Low-Leakage Mode (MAX14914A) Allows High Accuracy AIO/DIO applications
    • Resistor Settable Current Limiting for the High-Side Switch (135mA to 1.3A)
    • Pin-Selectable Type 1/3 or Type 2 DI Operation
  • Improves System Speed and Throughput
    • Propagation Delay of Less Than 2µs

Applications/Uses

  • Configurable Digital Input/Output
  • Industrial Digital Outputs and Inputs Modules
  • Motor Control
  • Safety Systems

Description

The MAX14914, MAX14914A and MAX14914B are the family of high-side/push-pull drivers that operate as both an industrial digital output (DO) and an industrial digital input (DI). The MAX14914 family features full IEC 61131-2 compliance in both their DO and DI modes of operation. The high-side switch current is resistor settable from 135mA (min) to 1.3A (min). The high-side driver’s on-resistance is 120mΩ (typ) at 125°C ambient temperature. Optional push-pull operation allows driving of cables and fast discharge of load capacitance. The output voltage is monitored and indicated through the DOI_LVL pin for safety applications.

The MAX14914 family complies with Type 1, Type 2, or Type 3 input characteristics when configured for DI operation.

The MAX14914A is a low-DOI-leakage version of MAX14914, designed to work together with the MAX22000 Industrial Configurable Analog IO device. The MAX14914B features a high-side switch overcurrent indication.

Simplified Block Diagram

Technical Docs

Data Sheet High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration Sep 21, 2020
App Note Configurable Input/Output Modes for PLC Systems Using the MAX22000 and MAX14914A
User Guide MAXREFDES185# Universal IO Quick Start Guide

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .

Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.