Charge Injection (
P
C)
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI5A317A/318A/319A
Precison Wide Bandwidth Analog Switches
Vcc
PI5A100
NO,NC
0.01
0.01
µF
R
GEN
V
GEN
S
IN
C
L
COM
NC
50
Ω
V
O
1 nF
0.5 nF
Polystyrene
Polystyrene
PI5A31X
E
IN
IN
GND
SELECT
OFF
ON
OFF
3V
Freq = 100KHz
DC = 50%
V
GEN
= 0V
R
GEN
= 0Ω
V
OUT
AV
O
Figure 5. Charge Injection
V
CC
= +5V,
3.3V
T
A
= 25°C
CL = 0.5 nF
20
15
10
5
0
0
1
2
3
4
5
5V
3.3V
Voltage In (Volts)
Figure 6. Charge Injection vs Analog Voltage
30
PS7059B
02/23/98
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
