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參數(shù)資料
| 型號： | DG419DY-E3 |
| 廠商： | VISHAY SILICONIX |
| 元件分類： | 多路復(fù)用及模擬開關(guān) |
| 英文描述： | 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, PDSO8 |
| 封裝： | ROHS COMPLIANT, MS-012, SOIC-8 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 298K |
| 代理商： | DG419DY-E3 |
Document Number: 70051
S10-1528-Rev. G, 19-Jul-10
www.vishay.com
9
Vishay Siliconix
DG417, DG418, DG419
TEST CIRCUITS
APPLICATIONS
Switched Signal Powers Analog Switch
The analog switch in Figure 10 derives power from its input
signal, provided the input signal amplitude exceeds 4 V and
its frequency exceeds 1 kHz.
This circuit is useful when signals have to be routed to either
of two remote loads. Only three conductors are required: one
for the signal to be switched, one for the control signal and a
common return.
A positive input pulse turns on the clamping diode D1 and
charges C1. The charge stored on C1 is used to power the
chip; operation is satisfactory because the switch requires
less than 1 A of stand-by supply current. Loading of the
signal source is imperceptible. The DG419’s on-resistance is
a low 100
for a 5 V input signal.
Figure 9. Source/Drain Capacitances
VL
IN
S
V+
D
f = 1 MHz
- 15 V
GND
V-
C
0 V, 2.4 V
Meter
HP4192A
Impedance
Analyzer
or Equivalent
+ 5 V
C
+ 15 V
C
D2
D1
S1
f = 1 MHz
+ 15 V
IN
S2
NC
GND
V+
C
0 V, 2.4 V
Meter
HP4192A
Impedance
Analyzer
or Equivalent
DG417/418
DG419
VL
IN
S
D
f = 1 MHz
GND
C
0 V, 2.4 V
D2
D1
S1
f = 1 MHz
IN
S2
NC
- 15 V
GND
V+
V-
C
0 V, 2.4 V
Meter
HP4192A
Impedance
Analyzer
or Equivalent
Figure 10. Switched Signal Powers Remote SPDT Analog Switch
Input
Control
GND
DG419
V-
C1
0.01 F
D1
S1
S2
VOUT
RL1
10 k
RL2
10 k
VL
D
IN
V+
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DG419DY-E3 | 制造商:Vishay Siliconix 功能描述:Multiplexer IC |
| DG419DY-T | 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)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(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| DG419DY-T1 | 功能描述:模擬開關(guān) IC Quad Mono CMOS SPST RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)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(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| DG419DY-T1-E3 | 功能描述:模擬開關(guān) IC Single SPDT 22/25V RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)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(guān)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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| DG419L | 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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