Datasheet

MAX4638/MAX4639
3.5
Ω , Single 8:1 and Dual 4:1,
Low-Voltage Analog Multiplexers
5
Maxim Integrated
ELECTRICAL CHARACTERISTICS—+3.0V Single Supply (continued)
(V+ = +2.7V to +3.3V, V- = 0, V
IH
= +2.0V, V
IL
= +0.4V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = +3V
and T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS MIN
TYP
( N o t e 2 )
MAX UNITS
C
L
= 5pF, R
L
= 50Ω,
f = 10MHz,
V
N O_
= + 1V
RM S
, Fi g ur e 6
T
A
= +25°C55
Off-Isolation (Note 8) V
ISO
C
L
= 5pF, R
L
= 50Ω,
f = 1M Hz, V
N O_
= 1V
RM S
,
Figure 6
T
A
= +25°C -75
dB
C
L
= 5p F, R
L
= 50Ω,
f = 10MH z, V
N O_
= 1V
RM S
,
Figure 7
T
A
= +25°C -65
Crosstalk (Note 9) V
CT
C
L
= 5p F, R
L
= 50Ω,
f = 1MH z, V
NO_
= 1V
RMS
,
Fig ur e 7
T
A
= +25°C -85
dB
MAX4638 T
A
= +25°C50
On-Channel -3dB Bandwidth BW
Signal =
0dBm, 50Ω in
and out,
Figure 6
MAX4639 T
A
= +25°C85
MHz
NO_ Off-Capacitance C
NO_
(
OFF
)
V
NO_
= 0V, f = 1MHz,
Figure 8
T
A
= +25°C9pF
MAX4638 T
A
= +25°C40
COM_ Off-Capacitance C
C OM _
(
OFF
)
V
C OM _
= 0V ,
f = 1MHz,
Figure 8
MAX4639 T
A
= +25°C20
pF
MAX4638 T
A
= +25°C54
Switch On-Capacitance C
(ON)
V
COM
= V
NO_
= 0V,
f = 1MHz,
Figure 8
MAX4639 T
A
= +25°C34
pF
SUPPLY
Positive Supply Current I+ V+ = +3.3V, V
IN_
= 0 or V+ 0.001 1 µA
ELECTRICAL CHARACTERISTICS—±2.5V Dual Supplies
(V+ = +2.5 ±10%, V- = -2.5V ±10%, V
IH
= +2.0V, V
IL
= +0.4V, T
A
=T
MIN
to T
MAX
, unless otherwise noted. Typical values are at
V± = ±2.5V and T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS MIN
TYP
(Note 2)
MAX UNITS
ANALOG SWITCH
Analog Signal Range
V
COM_
,
V
NO_
V- V+ V
T
A
= +25°C 2.5 3.5
On-Resistance R
ON
I
COM_
= 10mA, V
NO_
= ±1.5V,
V+ = +2.25V, V- = -2.25V
T
A
= T
MIN
to T
MAX
4.5

T
A
= +25°C 0.2 0.4
On-Resistance Match
Between Channels (Notes 4, 5)
R
ON
I
COM_
= 10mA, V
NO_
= ±1.5V,
V+ = +2.25V, V- = -2.25V
T
A
= T
MIN
to T
MAX
0.5
