MAX338 - 8通道/双4通道、低泄漏、CMOS模拟多路复用器

MAX338是Maxim美信半导体公司的一款保护器产品，MAX338是8通道/双4通道、低泄漏、CMOS模拟多路复用器，本站介绍了MAX338的封装应用图解、特点和优点、功能等，并给出了与MAX338相关的Maxim元器件型号供参考。

MAX338 - 8通道/双4通道、低泄漏、CMOS模拟多路复用器 - 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

The MAX338/MAX339 are monolithic, CMOS analog multiplexers (muxes). The 8-channel MAX338 is designed to connect one of eight inputs to a common output by control of a 3-bit binary address. The dual, 4-channel MAX339 is designed to connect one of four inputs to a common output by control of a 2-bit binary address. Both devices can be used as either a mux or a demux. On-resistance is 400Ω max, and the devices conduct current equally well in both directions.

These muxes feature extremely low off leakages (less than 20pA at +25°C), and extremely low on-channel leakages (less than 50pA at +25°C). The new design offers guaranteed low charge injection (1.5pC typ) and electrostatic discharge (ESD) protection greater than 2000V, per method 3015.7. These improved muxes are pin-compatible upgrades for the industry-standard DG508A and DG509A. For similar Maxim devices with lower leakage and charge injection but higher on-resistance, see the MAX328 and MAX329.

The MAX338/MAX339 operate from a single +4.5V to +30V supply or from dual supplies of ±4.5V to ±20V. All control inputs (whether address or enable) are TTL compatible (+0.8V to +2.4V) over the full specified temperature range and over the ±4.5V to ±18V supply range. These parts are fabricated with Maxim's 44V silicon-gate process.

关键特性

以下关键特性由Maxim美信半导体提供：

On-Resistance, < 400Ω max

Transition Time, < 500ns

On-Resistance Match, < 10Ω

NO-Off Leakage Current, < 20pA at +25°C

1.5pC Charge Injection

Single-Supply Operation (+4.5V to +30V) Bipolar-Supply Operation (±4.5V to ±20V)

Plug-In Upgrade for Industry-Standard DG508A/DG509A

Rail-to-Rail Signal Handling

TTL/CMOS-Logic Compatible

ESD Protection > 2000V, per Method 3015.7

热门应用

通信系统

数据采集系统

引导与控制系统

平面显示器

军用无线装置

PBX、PABX

采样保持电路

测试设备

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