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參數資料
型號: DG418L
英文描述: 35<img src=http://dbserv.maxim-ic.com/images/ohm.gif width=12 height=9 SPST/SPDT.+3V Logic-Compatible Analog Switches
中文描述: 35Ω、SPST/SPDT、+3V邏輯兼容模擬開關
文件頁數: 9/13頁
文件大小: 324K
代理商: DG418L
D
35
, SPST/SPDT, +3V
Logic-Compatible Analog Switches
_______________________________________________________________________________________
9
Applications Information
Power-Supply
Sequencing-Free Operation
Most CMOS switches require specific power-supply
sequencing in order to prevent device latchup. The
older DG417/DG418/DG419 devices require a proper
power-supply sequence of V+, V
L
, then V-. Otherwise,
it is necessary to add signal diodes to the circuit in
order to prevent potential latchups. The new
DG417L/DG418L/DG419L devices eliminate the need
for a V
L
input and allow any power-up sequence. Do
not exceed the absolute maximum ratings because
stresses beyond the listed ratings may cause perma-
nent damage to the devices.
+3V
0
V
COM
0.9 x V
OUT
LOGIC
INPUT
V-
R
L
300
GND
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
NO
COM
NC
V+
C
L
35pF
+10V
t
D
IN
V+
V-
V
OUT
LOGIC
INPUT
DG419L
Figure 4. Charge Injection
V
GEN
GND
NC OR
NO
C
L
1nF
V
OUT
V-
V-
V+
N.C.
V
OUT
IN
OFF
ON
OFF
V
OUT
Q =
V
OUT
x C
L
COM
IN DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
OFF
ON
OFF
IN
V
IN
= +3V
DG417L
DG418L
DG419L
V+
Figure 3. DG419L Break-Before-Make Interval
______________________________________Test Circuits/Timing Diagrams (continued)
相關PDF資料
PDF描述
DG419 Precision CMOS Analog Switches
DG419BAK Precision CMOS Analog Switches
DG419BDQ Precision CMOS Analog Switches
DG419BDY Precision CMOS Analog Switches
DG419BDJ Precision CMOS Analog Switches
相關代理商/技術參數
參數描述
DG418LAK 制造商:Vishay Siliconix 功能描述:ANLG SW SGL SPST 6V/12V 8CDIP - Bulk 制造商:Vishay Siliconix 功能描述:IC ANALOG SWITCH CMOS 8DIP
DG418LAK/883 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Precision Monolithic Low-Voltage CMOS Analog Switches
DG418LDJ 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻(最大值):0.1 Ohms 切換電壓(最大): 開啟時間(最大值): 關閉時間(最大值): 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
DG418LDJ+ 功能描述:模擬開關 IC SPST Precision CMOS Normally Open RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻(最大值):0.1 Ohms 切換電壓(最大): 開啟時間(最大值): 關閉時間(最大值): 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16
DG418LDQ 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Precision Monolithic Low-Voltage CMOS Analog Switches
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