MAX4744, MAX4744H, MAX4745, MAX4745H, MAX4746H
低电压、双路SPDT音频开关，无喀嗒声，可处理负信号
可处理负信号摆幅，提供无喀嗒声的音频性能，采用小尺寸10引脚、µDFN封装(2mm x 2mm)
概述
MAX4744/MAX4744H/MAX4745/MAX4745H/MAX4746H双路SPDT (单刀双掷)音频开关能够处理负信号，允许低至VCC - 5.5V的信号无失真通过。这些模拟开关具有低导通电阻、低电源电流和+1.8V至+5.5V单电源供电等特性。CC = 0V时电压加至COM_端。
关键特性
应用/使用
低至VCC - 5.5V的负信号可无失真通过
内部旁路电阻有助于降低咔嗒声(MAX4744/MAX4744H)
0.6Ω (典型值)导通电阻
0.1Ω (最大)通道间匹配
0.55Ω (最大)导通电阻平坦度
+1.8V至+5.5V单电源供电
0.01% (典型值)的总谐波失真
-75dB (典型值)串扰(100kHz)
-68dB (典型值)关断隔离(100kHz)
采用10引脚µDFN封装(2mm x 2mm)
Key Specifications:
Switches and Multiplexers (Low Voltage)
Part Number
Configuration
Number of Channels
VSUPPLY , Single (min) (V)
VSUPPLY , Single (max) (V)
RON (max) (Ω)
Bandwidth (MHz)
tON (max) (nS)
tOFF (max) (nS)
QINJECTION (pC)
CON (pF)
COFF (pF)
Price**
MAX4744
SPDT
2
1.8
5.5
0.95
25
560
540
550
300
90
$1.15 @ 1k
MAX4744H
$1.15 @ 1k
MAX4745
$1.15 @ 1k
MAX4745H
$1.15 @ 1k
See All Switches and Multiplexers (Low Voltage) (158)
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.
图表
典型工作电路
参考文献： 19-0563;
Rev. 1;
2007-02-13
