MAX4854H, MAX4854HL 四路SPST、宽带、信号线保护开关

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概述

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MAX4854H/MAX4854HL模拟开关采用+2V至+5.5V供电，能够处理大于电源摆幅的信号。本器件有四个低导通电阻(7Ω)的单刀/单掷(SPST)开关，导通电容为27.5pF，十分适合数据信号切换。如果输入信号超过电源摆幅，开关将变为高阻，以防信号通过开关到达输出端。

MAX4854H/MAX4854HL采用节省空间的(3mm x 3mm) 16引脚薄型QFN封装，工作在-40°C至+85°C的扩展温度范围内。

关键特性

应用/使用

	符合USB 2.0全速率(12MB)和USB 1.1信号的开关
	如果信号超过V_CC，则进行过压保护
	150MHz的-3dB带宽
	27.5pF导通电容
	+2V至+5.5V电源范围
	7Ω导通电阻
	10µA的低电源电流
	兼容1.8V逻辑电平
	采用节省空间的(3mm x 3mm) 16引脚TQFN封装

	蜂窝电话
	宽带数据切换
	笔记本电脑
	PDA及其它手持设备
	USB开关

Key Specifications: Switches and Multiplexers (Low Voltage)

Part Number

Configuration

Number of Channels

V_SUPPLY, Single (min) (V)

V_SUPPLY, Single (max) (V)

R_ON (max) (Ω)

Bandwidth (MHz)

I_{L (OFF)} (max) (nA)

t_ON (max) (nS)

t_OFF (max) (nS)

Q_INJECTION (pC)

C_ON (pF)

C_OFF (pF)

Features

V_ISO, Off-Isolation (dB)

V_CT, Crosstalk (dB)

ΔR_ON (max) (Ω)

R_FLAT(ON) (max) (Ω)

Redundancy Switch

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

MAX4854H

SPDT

5.5

150

27.5

•	1.8V Logic Compatible

0.4

3.75

Yes

THIN QFN/16

$0.75 @ 1k

See All Switches and Multiplexers (Low Voltage) (127)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.