MAX4740, MAX4740H
四路SPDT音频开关
ST Microelectronics四通道SPDT模拟开关STG3699的引脚兼容产品
数据资料
完整的数据资料
(PDF, 228kB)
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概述
MAX4740/MAX4740H低导通电阻(0.61Ω典型值)模拟开关采用1.6V至5.5V单电源供电。MAX4740/MAX4740H为四路、单刀双掷(SPDT)开关,用于选通音频信号,引脚兼容于ST Microelectronics的STG3699 SPDT模拟开关。
MAX4740为SPDT开关,MAX4740H为四路SPDT开关,具有高阻模式。开关逻辑由两位控制字(CB1和CB2)控制。MAX4740/MAX4740H通道间导通电阻相互匹配(0.06Ω),低电源电流(0.3µA)有助于延长电池寿命。
MAX4740/MAX4740H采用纤小的3mm x 3mm 16引脚TQFN-EP封装和2.5mm x 2.5mm 16引脚超薄型QFN封装。
关键特性
应用/使用
低导通电阻(0.61Ω典型值)
0.06Ω (典型值)通道间匹配
0.32Ω (典型值)导通电阻平坦度
1.6V至5.5V单电源供电
较高的电源抑制比有助于降低电源噪声(-60dB典型值)
0.08%的总谐波失真
-68dB (100kHz典型值)串扰
-64dB (100kHz典型值)关断隔离
低电源电流(0.3µA典型值)
低漏电流(0.1µA典型值)
引脚兼容于ST Micro的STG3699
纤小的(3mm x 3mm) 16引脚TQFP-EP封装和(2.5mm x 2.5mm) 16引脚超薄型QFN封装
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**
MAX4740
SPDT
4
1.6
5.5
0.9
50
210
210
450
150
40
$1.45 @ 1k
MAX4740H
$1.45 @ 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: 19-0558;
Rev. 1;
2008-03-28
本页最后一次更新: 2008-12-12