Datasheet

MAX4781/MAX4782/MAX4783
High-Speed, Low-Voltage, 0.7Ω CMOS Analog
Switches/Multiplexers
12 ______________________________________________________________________________________
Test Circuits/Timing Diagrams (continued)
50%
V+
0
V
X
, V
Y
, V
Z
V
OUT
V
A
, V
B
, V
C
0
90%
t
BBM
V
CC
V
OUT
V
A
, V
B
, V
C
V
A
, V
B
V
A
, V
B
, V
C
GND
V
CC
B
A
C
ENABLE
X0–X7
X
V
CC
MAX4781
50Ω
35pF
V
CC
V
OUT
GND
V
CC
B
A
ENABLE
X0–X3,
Y0–Y3
X, Y
V
CC
MAX4782
50Ω
35pF
V
CC
V
OUT
GND
V
CC
A
ENABLE
X0, X1, Y0,
Y1, Z0, Z1
X, Y, Z
V
CC
MAX4783
50Ω
35pF
TEST EACH SECTION INDIVIDUALLY.
t
R
< 5ns
t
F
< 5ns
B
C
0
V
CC
V
ENABLE
∆V
OUT
IS THE MEASURED VOLTAGE DUE TO CHARGE-
TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF.
∆V
OUT
TEST EACH SECTION INDIVIDUALLY.
Q = ∆V
OUT
✕ C
L
V
OUT
V
CC
V
OUT
V
ENABLE
GND
V
CC
B
A
CHANNEL
SELECT
C
ENABLE
X_, Y_, Z_
X, Y, Z
MAX4781
MAX4782
MAX4783
C
L
1000pF
Figure 3. Break-Before-Make Interval
Figure 4. Charge Injection