DG408 Datasheet, PDF (8/12 Pages) Intersil Corporation – Single 8-Channel/Differential 4-Channel, CMOS Analog Multiplexers

Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
Test Circuits/Timing Diagrams (continued)
+15V
+2.4V
50Ω
V+
EN
S1-S8
+5V
A0
A1 _DG408
A2
GND
D
V-
300Ω
-15V
V_OUT
35pF
LOGIC ^+3V
INPUT
0V
V_OUT
SWITCH
OUTPUT
0V
tR < 20ns
50%
tF < 20ns
80%
t_OPEN
Figure 4. Break-Before-Make Interval
+15V
R_S
S_
V+
EN
+3V
LOGIC
INPUT
OFF
ON
OFF
V_S
A0
0V
CHANNEL
SELECT
A1
D
V_OUT
A2 ^DG408
GND
V-
C_L = 1000nF
V_OUT
ΔV_OUT
ΔV_OUT IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
ERROR Q WHEN THE CHANNEL TURNS OFF.
-15V
Q = C_L = ΔV_OUT
Figure 5. Charge Injection
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