MAX4645 - 快速、低电压、2.5Ω、SPST、CMOS模拟开关

MAX4645是Maxim美信半导体公司的一款宽带交换产品，MAX4645是快速、低电压、2.5Ω、SPST、CMOS模拟开关，本站介绍了MAX4645的封装应用图解、特点和优点、功能等，并给出了与MAX4645相关的Maxim元器件型号供参考。

MAX4645 - 快速、低电压、2.5Ω、SPST、CMOS模拟开关 - 宽带交换 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX4645/MAX4646 single-pole, single-throw (SPST) analog switches feature a 2.5Ω typical on-resistance (RON) from a +5V supply. RON is flat (0.4Ω max) over the specified signal range. Each switch can handle rail-to-rail analog signals. Off-leakage current is 0.25nA max at +25°C. These analog switches are ideal in low-distortion applications and are the preferred solution over mechanical relays in automated test equipment or applications where current switching is required. They have low power requirements, require less board space, and are more reliable than mechanical relays.

These switches operate from a +1.8V to +5V single supply, making them ideal for use in battery-powered applications. The MAX4645/MAX4646 have fast switching speeds of 12ns turn-on time (tON) and 8ns turn-off time (tOFF).

The MAX4645 is a normally open (NO) switch, and the MAX4646 is a normally closed (NC) switch. Both are available in 5-pin SOT23, 6-pin SOT23, and 8-pin µMAX® packages.

关键特性

以下关键特性由Maxim美信半导体提供：

+1.8V to +5V Single-Supply Operation

Guaranteed RON

2.5Ω max (5V supply)

3.5Ω max (3V supply)

1.8V Operation

RON 30Ω typ Over Temperature

tON 40ns typ, tOFF 20ns typ

Low RON Flatness: 0.4Ω max

Guaranteed Low Leakage Currents

±0.25nA at +25°C

Rail-to-Rail Output Capability

TTL/CMOS-Logic Compatible

-75dB Off-Isolation at 1MHz

Low Distortion: 0.014% typ

热门应用

音频/视频信号切换

电池供电系统

通信电路

低电压数据采集系统

继电器替代品

采样保持电路

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