DG300A Datasheet, PDF (9/10 Pages) Intersil Corporation – TTL-Compatible, CMOS Analog Switches

Application Hints^a
DG300A/301A/302A/303A
V+
Positive Supply
Voltage
(V)
V–
Negative Supply
Voltage
(V)
15
–15
20
–20
15
0
GND
Voltage
(V)
0
0
0
V_IN
Logic Input
Voltage
V_INH(min)/V_INL(max)
(V)
4/0.8
4/0.8
4/0.8
V_S or V_D
Analog Voltage
Range
(V)
–15 to 15
–20 to 20
0 to 15
Note:
a. Application Hints are for DESIGN AID ONLY, not guaranteed and not subject to production testing.
Applications
The DG300A series of analog switches will switch positive
analog signals while using a single positive supply. This
facilitates their use in applications where only one supply
is available. The trade-offs of using single supplies are:
1) Increased r_DS(on); 2) slower switching speed. The analog
voltage should not go above or below the supply voltages
which in single operation are V+ and 0 V. (See Input
Switching Threshold vs. Positive Supply Voltage Curve.)
+15 V
10 kW
5 kW
50 kW
+15 V
10 mF
5 kW
+15 V
100 kW
DG301A
10 kW
V_OUT
+5 V
TTL Input
Figure 5. Single Supply Op Amp Switching
Siliconix
9
S-52880—Rev. C, 28-Apr-97