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參數資料
| 型號： | DG419L |
| 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： | DG419L |
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 |
|---|---|
| DG418L | 35＜img src=http://dbserv.maxim-ic.com/images/ohm.gif width=12 height=9 SPST/SPDT.+3V Logic-Compatible Analog Switches |
| DG419 | Precision CMOS Analog Switches |
| DG419BAK | Precision CMOS Analog Switches |
| DG419BDQ | Precision CMOS Analog Switches |
| DG419BDY | Precision CMOS Analog Switches |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DG419LAK | 制造商:Vishay Siliconix 功能描述:ANLG SW SGL SPDT 6V/12V 8CDIP - Bulk 制造商:Vishay Siliconix 功能描述:IC ANALOG SWITCH CMOS 8DIP |
| DG419LAK/883 | 制造商:Vishay Semiconductors 功能描述:MOSFETS - Tape and Reel 制造商:Vishay Siliconix 功能描述:IC ANALOG SWITCH CMOS 8DIP |
| DG419LDJ | 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 |
| DG419LDJ+ | 功能描述:模擬開關 IC SPDT Precision CMOS 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 |
| DG419LDQ | 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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