DG201BAK Vishay Siliconix, DG201BAK Datasheet - Page 8

• Manufacturer Part Number: DG201BAK
• Description: Improved Quad CMOS Analog Switches
• Manufacturer: Vishay Siliconix

DG201B/202B
Vishay Siliconix
www.vishay.com FaxBack 408-970-5600
4-8
Control
Aquisition Time
Aperature Time
Sample to Hold Offset
Droop Rate
TTL
V
IN
R
2
Select
Select
Select
Select
= 10 k
f
R
f
f
f
C2
C4
C3
C1
1
= 10 k
LM101A
+15 V
–
+
30 pF
0.015 F
C
C
C
C
0.15 F
1500 pF
4
150 pF
3
2
1
–15 V
= 25 s
= 1 s
= 5 mV
= 5 mV/s
FIGURE 7. Active Low Pass Filter with Digitally Selected Break Frequency
LM101A
–
+
5 M
30 pF
–15 V
+15 V
V–
5.1 M
DG201B
–15 V
V
–15 V
V–
1
R
3
+15 V
= 1 M
GND
FIGURE 6. Sample-and-Hold
DG201B
V+
+15 V
V
OUT
A
Max Attenuation =
L
f
f
C
(Voltage Gain Below Break Frequency) =
L
160
120
–40
80
40
(Break Frequency) =
(Unity Gain Frequency) =
0
1
f
C1
1 k
50 pF
10
f
C2
r
10 k
200
DS(on)
1000 pF
f
100
C3
f – Frequency (Hz)
2 R
f
1
L1
3
f
2 R
C
C4
–47 dB
X
1 k
J202
1
1
C
Logic Input
Low = Sample
High = Hold
–15 V
X
f
L2
J500
2N4400
+15 V
10 k
S-52433—Rev. G, 06-Sep-99
Document Number: 70037
J507
f
L3
R
R
3
1
100 k
= 100 (40 dB)
f
L4
V
1 M
OUT