DG418 - 改进的SPST/SPDT模拟开关

DG418是Maxim美信半导体公司的一款保护器产品，DG418是改进的SPST/SPDT模拟开关，本站介绍了DG418的封装应用图解、特点和优点、功能等，并给出了与DG418相关的Maxim元器件型号供参考。

DG418 - 改进的SPST/SPDT模拟开关 - 保护器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

Maxim's redesigned DG417/DG418/DG419 precision, CMOS, monolithic analog switches now feature guaranteed on-resistance matching (3Ω max) between switches and guaranteed on-resistance flatness over the signal range (4Ω max). These switches conduct equally well in either direction and guarantee low charge injection, low power consumption, and an ESD tolerance of 2000V minimum per Method 3015.7. The new design offers low off-leakage current over temperature (less than 5nA at +85°C).

The DG417/DG418 are single-pole/single-throw (SPST) switches. The DG417 is normally closed, and the DG418 is normally open. The DG419 is single-pole/double-throw (SPDT) with one normally closed switch and one normally open switch. Switching times are less than 175ns max for tON and less than 145ns max for tOFF. Operation is from a single +10V to +30V supply, or bipolar ±4.5V to ±20V supplies. The improved DG417/DG418/DG419 are fabricated with a 44V silicon-gate process.

关键特性

以下关键特性由Maxim美信半导体提供：New Features

Plug-In Upgrades for Industry-Standard DG417/DG418/DG419

Improved RDS(ON) Match Between Channels (3Ω max, DG419 only)

Guaranteed RFLAT(ON) Over Signal Range (4Ω max)

Improved Charge Injection (10pC max)

Improved Off-Leakage Current Over Temperature (< 5nA at +85°C)

Withstand Electrostatic Discharge (2000V min) per Method 3015.7Existing Features

Low RDS(ON) (35Ω max)

Single-Supply Operation +10V to +30V

Bipolar-Supply Operation ±4.5V to ±20V

Low Power Consumption (35µW max)

Rail-to-Rail Signal Handling

TTL/CMOS-Logic Compatible

热门应用

音频信号切换

电池供电应用

通信系统

传真机

引导与控制系统

军用无线装置

调制解调器

PBX、PABX

采样保持电路

测试设备

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