MAX6818 - ±15kV ESD保护、单/双/八通道、CMOS开关去抖器

MAX6818是Maxim美信半导体公司的一款保护器产品，MAX6818是±15kV ESD保护、单/双/八通道、CMOS开关去抖器，本站介绍了MAX6818的封装应用图解、特点和优点、功能等，并给出了与MAX6818相关的Maxim元器件型号供参考。

MAX6818 - ±15kV ESD保护、单/双/八通道、CMOS开关去抖器 - 保护器 - 业内首款SOT开关去抖器，具有±15kV ESD保护和±25V故障容限 - 美信半导体

产品概述

The MAX6816/MAX6817/MAX6818 are single, dual, and octal switch debouncers that provide clean interfacing of mechanical switches to digital systems. They accept one or more bouncing inputs from a mechanical switch and produce a clean digital output after a short, preset qualification delay. Both the switch opening bounce and the switch closing bounce are removed. Robust switch inputs handle ±25V levels and are ±15kV ESD-protected for use in harsh industrial environments. They feature single-supply operation from +2.7V to +5.5V. Undervoltage lockout circuitry ensures the output is in the correct state upon power-up.

The single MAX6816 and dual MAX6817 are offered in SOT packages and require no external components. Their low supply current makes them ideal for use in portable equipment.

The MAX6818 octal switch debouncer is designed for data-bus interfacing. The MAX6818 monitors switches and provides a switch change-of-state output (active-low CH), simplifying microprocessor (µP) polling and interrupts. Additionally, the MAX6818 has three-state outputs controlled by an enable (active-low EN) pin, and is pin-compatible with the LS573 octal latch (except for the active-low CH pin), allowing easy interfacing to a digital data bus.

关键特性

以下关键特性由Maxim美信半导体提供：

Switch Debouncer Integration Simplifies System Interface to Mechanical Switches

Single-Supply Operation from +2.7V to +5.5V

No External Components Required

Single (MAX6816), Dual (MAX6817), and Octal (MAX6818) Versions Available

6µA Supply Current

Built-In Protection Circuitry Improves System Reliability

Inputs Can Exceed Power Supplies up to ±25V

ESD Protection for Input Pins

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

Octal Version (MAX6818) Provides Direct Data Bus Interface

Three-State Outputs for Directly Interfacing to µP (MAX6818)

Switch Change-of-State Output Simplifies Polling and Interrupts (MAX6818)

Pin-Compatible with 'LS573 (MAX6818)

热门应用

µP开关接口

工业仪表

触摸键盘

基于PC的仪表

便携式仪表

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