DG442 - 改进的四路、SPST模拟开关

DG442是Maxim美信半导体公司的一款保护器产品，DG442是改进的四路、SPST模拟开关，本站介绍了DG442的封装应用图解、特点和优点、功能等，并给出了与DG442相关的Maxim元器件型号供参考。

DG442 - 改进的四路、SPST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 DG441/DG442 analog switches now feature on-resistance matching (4Ω max) between switches and guaranteed on-resistance flatness over the signal range (9Ω max). These low on-resistance switches conduct equally well in either direction. They guarantee low charge injection (10pC max), low power consumption (1.65mW), and an ESD tolerance of 2000V minimum per Method 3015.7. The new design offers lower off-leakage current over temperature (less than 5nA at +85°C).

The DG441/DG442 are quad, single-pole/single-throw (SPST) analog switches. The DG441 has four normally closed switches, and the DG442 has four normally open switches. Switching times are less than 250ns for tON and less than 170ns for tOFF. These devices operate from a single +10V to +30V supply, or bipolar ±4.5V to ±20V supplies. Maxim's improved DG441/DG442 continue to be 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 DG441/DG442

Improved rDS(ON) Match Between Channels(4Ω max)

Guaranteed rFLAT(ON) Over Signal Range (9Ω 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) (85Ω max)

Single-Supply Operation +10V to +30V

Bipolar-Supply Operation ±4.5V to ±20V

Low Power Consumption (1.65mW 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

平面显示器

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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