DG409 Maxim, DG409 Datasheet - Page 8
DG409
Manufacturer Part Number
DG409
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
Datasheet
1.DG408.pdf
(12 pages)
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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