DG441BDJ(2003) 查看數據表（PDF） - Vishay Semiconductors
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DG441BDJ Datasheet PDF : 7 Pages
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DG441B/442B
Vishay Siliconix
New Product
TEST CIRCUITS
10 V
3V
+15 V
V+
S
D
IN
GND
RL
1
V− kW
−15 V
VO
CL
35 pF
Logic
3V
Input
0V
50% 50%
tr <20 ns
tf <20 ns
Switch VS
Input
VO
80%
tOFF
80%
Switch 0 V
Output
tON
CL (includes fixture and stray capacitance)
Note:
Logic input waveform is inverted for DG442.
+15 V
V+
Rg
S
D
IN
3V
GND
V−
−15 V
FIGURE 2. Switching Time
VO
CL
1 nF
FIGURE 3. Charge Injection
VO
INX OFF
(DG441B)
OFF
INX
(DG442B)
DV
O
ON
OFF
ON
Q = DVO x CL
OFF
+15 V
C = 1 mF tantalum in parallel with 0.01 mF ceramic
C
+15 V
C
V+
VS
S1
D1
Rg = 50 W
IN1
0V, 2.4 V
NC
S2
D2
50 W
VO
VS
V+
S
D
VO
Rg = 50 W
IN
RL
0V, 2.4 V
0V, 2.4 V
IN2
RL
GND
V−
C
GND
V− C
−15 V
−15 V
XTALK Isolation = 20 log
C = RF bypass
VS
VO
FIGURE 4. Crosstalk
+15 V
C
Off Isolation = 20 log VS
VO
FIGURE 5. Off Isolation
V+
S
IN
0 V, 2.4 V
GND
D
V−
C
Meter
HP4192A
Impedance
Analyzer
or Equivalent
www.vishay.com
6
−15 V
FIGURE 6. Source/Drain Capacitances
Document Number: 72625
S-32553—Rev. A, 15-Dec-03
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