参数资料
型号: 5962-9678801QEA
厂商: VISHAY SILICONIX
元件分类: 多路复用及模拟开关
英文描述: DUAL 1-CHANNEL, DBL POLE SGL THROW SWITCH, CDIP16
封装: CERAMIC, DIP-16
文件页数: 8/9页
文件大小: 62K
代理商: 5962-9678801QEA
DG384A/387A
Vishay Siliconix
www.vishay.com
8
Document Number: 70048
S-02969—Rev. E, 22-Jan-01
APPLICATIONS
The DG384A and DG387A will switch positive analog signals
while using a single positive supply. This allows their use in
applications where only one supply is available. The trade-offs
or performance given up while using single supplies are: 1)
increased rDS(on), 2) slower switching speed. Typical curves
for aid in designing with single supplies are supplied (see
Typical Characteristics). The analog voltage should not go
above or below the supply voltages which in single operation
are V+ and 0 V.
In the integrator of Figure 4, RD controls the discharge rate of
the capacitor so that the pulsed or continuous current ratings
are not exceeded. During reset SW1 is closed and SW2 is
open. Opening SW2 with SW1 also open will hold the integrator
output at its present value.
+
DG381A
Reset
VIN
Start/Stop
SW1
SW2
RD
C
R
V
O +
1
RC
V
IN dt
FIGURE 5. Integrator with Reset and Start/Stop
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