PS321 Pericom Semiconductor Corporation, PS321 Datasheet - Page 4

• Manufacturer Part Number: PS321
• Description: Precision / Dual-Supply Analog Switches
• Manufacturer: Pericom Semiconductor Corporation

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
Logic
Input
Input
V
C
COM = 3V
+3V
L
INCLUDES FIXTURE AND STRAY CAPACITANCE
C
V
L
GEN
Logic
Input
INCLUDES FIXTURE AND STRAY CAPACITANCE.
COM1
COM2
IN
V
OUT
R
COM
IN
GEN
= V
COM
IN
COM
+5V
V+
-5V
(
V-
+5V
-5V
R
V-
NO1
NC2
L +
or NC
R
L
R
NO
ON
+5V
-5V
V+
Figure 3. Break-Before-Make Interval (PS322 only)
)
NO or
NC
R
300
R
300
L
L
V
OUT2
C
1nF
C
35
Figure 4. Charge Injection
Figure 2. Switching Time
L
L
C
35pF
pF
L
V
V
OUT
R
300
OUT
L
Output
Switch
Logic
Input
4
V
C
35
OUT1
L
pF
IN POLARITY DEPENDS ON NO OR NC SWITCH FUNCTION
+5V
LOGIC INPUT WAVEFORMS INVERTED FOR
SWITCHES THAT HAVE OPPOSITE LOGIC
V
0V
0V
OUT
IN
IN
V
OFF
OFF
OUT1
V
Logic
Input
OUT2
Precision, Dual-Supply Analog Switches
0V
0V
+5V
90%
Q = ( V
V
50%
t
OUT
ON
50%
90%
ON
ON
OUT
t
90%
D
)(C
L
)
t
OFF
t r <20ns
t f <20ns
50%
PS320/PS321/PS322
OFF
OFF
V
OUT
t D
90%
PS8183D
90%
01/11/01