Datasheet

MAX4908/MAX4909/MAX4930/MAX4932
Dual 3:1 Clickless Audio Multiplexers
with Negative-Signal Handling
10 ______________________________________________________________________________________
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
V
CC
R
L
V
OUT
C
L
GND
V
CB1
, V
CB2
V
CC
V
CC
MAX4908
MAX4909
MAX4930
MAX4932
X, Y
X2, Y2
X1, X2,
Y1, Y2
CB1
CB2
t
r
< 5ns
t
f
< 5ns
50%
0V
V
CC
t
OFF
0V
0.8 x V
0UT
0.8 x V
OUT
t
ON
V
OUT
SWITCH
OUTPUT
LOGIC
INPUT
CB_ DEPENDS ON SWITCH CONFIGURATION;
INPUT POLARITY DETERMINED BY SENSE OF SWITCH.
Test Circuits/Timing Diagrams
Figure 2. Switching Time
C
L
INCLUDES FIXTURE AND STRAY CAPACITANCE.
V
CC
R
L
V
OUT
C
L
GND
V
CB1
V
CC
V
CC
MAX4908
MAX4909
MAX4930
MAX4932
X, Y
X0–X2,
Y0–Y2
CB1
CB2
50%
V
CC
0V
LOGIC
INPUT
V
OUT
0.8 x V
OUT
t
BBM
V
CB2
V
CC
Figure 3. Break-Before-Make Interval
V
GEN
GND
X OR Y
C
L
V
OUT
V
CC
V
OUT
CB_
OFF
ON
OFF
ΔV
OUT
Q = (ΔV
OUT
)(C
L
)
X_
LOGIC-INPUT WAVEFORMS INVERTED FOR SWITCHES
THAT HAVE THE OPPOSITE LOGIC SENSE.
OFF
ON
OFF
CB_
V
IL
TO V
IH
V
CC
R
GEN
CB_
MAX4908
MAX4909
MAX4930
MAX4932
OR Y_
Figure 4. Charge Injection