Datasheet

MAX4645/MAX4646
Fast, Low-Voltage, 2.5Ω, SPST,
CMOS Analog Switches
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—Single +3V Supply
(V+ = 2.7V to 3.3V, V
IH
= 2.0V, V
IL
= 0.4V, T
A
= T
MIN
to T
MAX
, unless otherwise specified.) (Notes 2, 3)
ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued)
(V+ = 4.5V to 5.5V, V
IH
= 2.4V, V
IL
= 0.8V, T
A
= T
MIN
to T
MAX
, unless otherwise specified.) (Notes 2, 3)
V
0V+
V
COM
,
V
NO
, V
NC
Input Voltage Range
T
A
= T
MIN
to T
MAX
Ω
2.5 3.5
R
ON
COM to NO or NC
On-Resistance
I
COM
= 10mA,
V
NO
or V
NC
= 0 to V+,
V+ = 2.7V
Ω
0.5 0.9
R
FLAT(ON)
On-Resistance Flatness
(Note 4)
V
COM
= 1V, 3V;
V
NO
or V
NC
= 3V, 1V;
V+ = 3.3V
nA
-0.25 0.01 0.25
I
NO(OFF)
,
I
NC(OFF)
Off-Leakage Current
(NO or NC) (Notes 5, 6)
T
A
= +25°C
T
A
= T
MIN
to T
MAX
-0.35 0.35
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
COM
= 1V, 3V;
V
NO
or V
NC
= 3V, 1V;
V+ = 3.3V
nA
-0.25 0.01 0.25
I
COM(OFF)
COM Off-Leakage Current
(Notes 5, 6)
V+ = 3.3V; V
COM
= 1V, 3V;
V
NO
or V
NC
= 1V,
3V or floating
nA
-0.25 0.01 0.25
I
COM(ON)
COM On-Leakage Current
(Notes 5, 6)
CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER
-0.35 0.35
I
COM
= 10mA,
V
NO
or V
NC
= 0 to V+,
V+ = 2.7V
T
A
= +25°C
4.5
T
A
= +25°C
T
A
= T
MIN
to T
MAX
1
T
A
= +25°C
T
A
= T
MIN
to T
MAX
-0.35 0.35
ANALOG SWITCH
-75
dB
V
NO
= V
NC
= 1V
RMS
,
R
L
= 50Ω, C
L
= 5pF,
f = 1MHz, Figure 4
T
A
= +25°C
PARAMETER SYMBOL MIN TYP MAX
1.0
UNITS
Positive Supply Current I+
0.0001
V+ = 5.5V, V
IN
= 0 or V+,
all channels on or off
Total Harmonic Distortion THD
0.014
%
R
L
= 600Ω, 5V
P-P
,
f = 20Hz to 20kHz
CONDITIONS
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= +25°C
Off-Isolation (Note 7) V
ISO
-55
dB
V
NO
= V
NC
= 1V
RMS
,
R
L
= 50Ω, C
L
= 5pF,
f = 10MHz, Figure 4
COM On-Capacitance C
COM
38
pF
V
COM
= V
NO
, V
NC
= GND
f = 1MHz, Figure 5
COM Off-Capacitance C
COM
17
pF
V
COM
= GND, f = 1MHz,
Figure 5
NO or NC Capacitance C
OFF
17
pF
V
NO
, V
NC
= GND,
f = 1MHz, Figure 5
Charge Injection Q
5
pC
V
GEN
= 2V, C
L
= 1.0nF,
R
GEN
= 0, Figure 3
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
µA
POWER SUPPLY