High-Speed, Low-Voltage, CMOS Analog
Multiplexers/Switches
78/MAX4619
_________________________________Test Circuits/Timing Diagrams (continued)
V
V
CC
CC
V , V , V
V , V
A
B
C
V
CC
V
CC
A
B
X0–X7
X0–X3,
Y0–Y3
A
B
C
A
B
V
V
CC
CC
50Ω
50Ω
MAX4618
GND
MAX4617
GND
V
OUT
ENABLE
ENABLE
X
X, Y
V
OUT
35pF
35pF
300Ω
300Ω
V
CC
t < 20ns
F
R
V , V , V
V
CC
V+
0
A
B
C
t < 20ns
V , V , V
C
50%
A
B
X0, X1, Y0,
Y1, Z0, Z1
A, B, C
V
CC
50Ω
V , V , V
X
Y
Z
MAX4619
GND
80%
ENABLE
X, Y, Z
V
OUT
35pF
V
OUT
300Ω
0
TEST EACH SECTION INDIVIDUALLY.
t
BBM
Figure 4. Break-Before-Make Interval
V
CC
V
CC
V
CC
V
ENABLE
X_, Y_, Z_
A
B
C
0
CHANNEL
SELECT
MAX4617
MAX4618
MAX4619
∆ V
OUT
V
OUT
V
ENABLE
V
OUT
ENABLE
X, Y, Z
GND
C
L
50Ω
1000pF
∆ V
IS THE MEASURED VOLTAGE DUE TO CHARGE-
OUT
TRANSFER ERROR Q WHEN THE CHANNEL TURNS OFF.
TEST EACH SECTION INDIVIDUALLY.
Q = ∆ V
· C
L
OUT
Figure 5. Charge Injection
______________________________________________________________________________________ 13
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
