DG445DY Vishay, DG445DY Datasheet - Page 8

• Manufacturer Part Number: DG445DY
• Description: IC, ANALOG SWITCH, QUAD, SPST, SOIC-16
• Manufacturer: Vishay

Specifications of DG445DY

• Analog Switch Type: SPST
• No. Of Channels: 4
• On State Resistance Max: 50ohm
• Turn Off Time: 160ns
• Turn On Time: 120ns
• Supply Voltage Range: 10.8V To 13.2V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DG444/445
Vishay Siliconix
www.vishay.com FaxBack 408-970-5600
4-8
V
IN
GAIN
A
GAIN
A
GAIN
A
GAIN
A
V
V
V
V
= 100
= 1
= 10
= 20
+15 V
30 pF
4
–
+
1
2
3
V
–15 V
IN
FIGURE 8. Precision-Weighted Resistor Programmable-Gain Amplifier
5 M
5.1 M
DG444 or DG445
–15 V
V
V–
L
+ 5 V
FIGURE 9. Precision Sample-and-Hold
+
–
V
+5 V
1
GND
–15 V
V+
V
2
+15 V
DG444
GND
+15 V
R
90 k
R
5 k
R
4 k
R
1 k
1
2
3
4
With SW
V
Gain error is determined only by the resistor
tolerance. Op amp offset and CMRR will limit
accuracy of circuit.
V
1000 pF
OUT
IN
C
50 pF
1
C
4
2
=
Closed:
V
OUT
R
200 k
R
1
J202
1
J500
+ R
Logic Input
Low = Sample
High = Hold
2
R
+ R
4
3
+15 V
+ R
2N4400
4
S-52433—Rev. F, 06-Sep-99
J507
Document Number: 70054
= 100
V
OUT