PS323 ETC, PS323 Datasheet - Page 6

• Manufacturer Part Number: PS323
• Description: Precision / Single-Supply SPST Analog Switches
• Manufacturer: ETC

1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Test Circuits/Timing Diagrams
Logic
Input
Logic
V
Input
GEN
V
Logic
Input
C
+3V
COM = 3V
L
INCLUDES FIXTURE AND STRAY CAPACITANCE
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
R
GEN
NO
NC
IN
V
OUT
GND
COM
IN
IN
COM
= V
GND
COM
GND
V+
V+
(
+5V
R
V+
+5V
L +
V+
or NC
R
R
L
NO or
NO
ON
NC
Figure 3. Break-Before-Make Interval (PS325 only)
)
R
1kohm
R
300Ω
ohm
L
L
C
1nF
L
C
35
Figure 4. Charge Injection
V
Figure 2. Switching Time
C
35pF
OUT
L
V
pF
L
OUT
V
OUT
Output
Switch
Logic
Input
6
IN POLARITY DEPENDS ON NO OR NC SWITCH FUNCTION
V
OUT
+3V
LOGIC INPUT WAVEFORMS INVERTED FOR
SWITCHES THAT HAVE OPPOSITE LOGIC
Precision, Single Supply SPST Analog Switches
IN
IN
0V
0V
OFF
OFF
(V
Output
Switch
Logic
Input
OUT)
+3V
0V
0V
Q = ( V
V
90%
t
50%
OUT
ON
ON
ON
OUT
90%
50%
)(C
L
)
t
D
t
OFF
t r <20ns
t f <20ns
PS323/PS324/PS325
OFF
OFF
V
OUT
90%
PS8188C
90%
10/24/02