DG408 Maxim, DG408 Datasheet - Page 8

• Manufacturer Part Number: DG408
• Description: Maxim's redesigned DG408 and DG409 CMOS analog multiplexers now feature guaranteed matching between channels (8Ω max) and flatness over the specified signal range (9Ω max)
• Manufacturer: Maxim

Improved, 8-Channel/Dual 4-Channel,
CMOS Analog Multiplexers
Figure 4. Break-Before-Make Interval
Figure 5. Charge Injection
8
V
S
_______________________________________________________________________________________
R
+2.4V
S
50Ω
CHANNEL
SELECT
EN
A0
A1
A2
GND
A0
A1
S_
EN
A2
DG408
+15V
V+
GND
-15V
DG408
V-
+15V
S1-S8
V+
D
-15V
V-
300Ω
D
+5V
C
Test Circuits/Timing Diagrams (continued)
L
35pF
V
= 1000nF
OUT
V
OUT
LOGIC
INPUT
V
+3V
OUT
0V
SWITCH
OUTPUT
LOGIC
INPUT
ΔV
ERROR Q WHEN THE CHANNEL TURNS OFF.
Q = C
OUT
OFF
L
IS THE MEASURED VOLTAGE DUE TO CHARGE TRANSFER
= ΔV
V
+3V
OUT
0V
0V
OUT
50%
ON
80%
t
OPEN
t R < 20ns
t F < 20ns
OFF
ΔV
OUT