Datasheet
MAX4781/MAX4782/MAX4783
High-Speed, Low-Voltage, 0.7Ω CMOS Analog
Switches/Multiplexers
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—Single +1.8V Supply
(V
CC
= +1.8V, GND = 0, V
IH
= 1V, V
IL
= 0.4V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS T
A
MIN TYP MAX UNITS
ANALOG SWITCH
Analog Signal Range
V
X
_, V
Y
_
,
V
Z
_, V
X
,
V
Y
, V
Z
0V
CC
V
+25°C 1.6 2.5
On-Resistance (Note 4) R
ON
V
CC
= 1.8V; I
X_
, I
Y_
, I
Z_
= 10mA;
V
X
, V
Y
, V
Z
= 1.0V
T
M IN
to T
M AX
3.5
Ω
+25°C 0.3 0.4
On-Resistance Match Between
Channels (Notes 4, 5)
∆R
ON
V
CC
= 1.8V; I
X_
, I
Y_
, I
Z_
= 10mA;
V
X
, V
Y
, V
Z
= 1.0V
T
M IN
to T
M AX
0.6
Ω
SWITCH DYNAMIC CHARACTERISTICS
+25°C 17 30
Turn-On Time t
ON
V
X_
, V
Y_
, V
Z_
= 1.0V; R
L
= 50Ω;
C
L
= 35pF; Figure 1
T
M IN
to T
M AX
32
ns
+25°C 8 20
Turn-Off Time t
OFF
V
X_
, V
Y_
, V
Z_
= 1.0V; R
L
= 50Ω;
C
L
= 35pF; Figure 1
T
M IN
to T
M AX
22
ns
+25°C 17 30
Address Transition Time t
TRANS
V
X_
, V
Y_
, V
Z_
= 1.0V; R
L
= 50Ω;
C
L
= 35pF; Figure 2
T
M IN
to T
M AX
32
ns
+25°C 26
Break-Before-Make Time
(Note 7)
t
BBM
V
X_
, V
Y_
, V
Z_
= 1V; R
L
= 50Ω;
C
L
= 35pF; Figure 3
T
M IN
to T
M AX
1
ns
Charge Injection Q
V
GEN
= 0, R
GEN
= 0, C
L
= 1nF,
Figure 4
+25°C -40 pC
DIGITAL I/O
Input Logic High V
IH
T
M IN
to T
M AX
1V
Input Logic Low V
IL
T
M IN
to T
M AX
0.4 V
Input Leakage Current I
IN
_V
A
, V
B
, V
C
= V
E N A B L E
= 0 or 3.6V T
M IN
to T
M AX
-1
0.000
+1 µA
POWER SUPPLY
Power-Supply Range V
CC
1.6 3.6 V
Positive Supply Current I
CC
V
CC
= 3.6V; V
A
, V
B
, V
C
,
V
E N A B L E
= 0 or 3.6V
1µA
Note 2: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3: Devices are tested at maximum hot temperature and are guaranteed by design and correlation at T
A
= +25°C and -40°C
specifications.
Note 4: R
ON
and ∆R
ON
matching specifications for thin QFN-packaged parts are guaranteed by design.
Note 5: ∆R
ON
= R
ON(MAX)
- R
ON(MIN).
Note 6: Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the
specified analog signal ranges.
Note 7: Guaranteed by design; not production tested.
Note 8: Off-isolation = 20log10(V
COM_
/ V
NO
), V
COM_
= output, V
NO
= input to off switch.
Note 9: Between any two channels.