Datasheet

MAX4780/MAX4784
0.7
ΩΩ
, Low-Voltage, Quad 2:1 Analog
Multiplexers
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued)
(V+ = +2.7V to +4.2V, V
IH
= +1.4V, V
IL
= +0.5V, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values are at V+ = +3.0V,
T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS T
A
MIN TYP MAX UNITS
SWITCH DYNAMIC CHARACTERISTICS
+25°C 20 25
Turn-On Time t
ON
V
NO
_, V
NC
_ = 1.5V,
R
L
= 50Ω, C
L
= 35pF,
Figure 1 T
MIN
to T
MAX
30
ns
+25°C 8 10
Turn-Off Time t
OFF
V
NO
_, V
NC
_ = 1.5V,
R
L
= 50Ω, C
L
= 35pF,
Figure 1 T
MIN
to T
MAX
18
ns
+25°C 7
Break-Before-Make (Note 8) t
BBM
V
NO
_, V
NC
_ = 1.5V,
R
L
= 50Ω, C
L
= 35pF,
Figure 2 T
MIN
to T
MAX
1
ns
Charge Injection Q
V
GEN
= 0, R
GEN
= 0,
C
L
= 1.0nF, Figure 3
+25°C 5 pC
NO_ or NC_ Off-Capacitance C
OFF
f = 1MHz, Figure 4 +25°C 33 pF
COM_ Off-Capacitance C
COM_
(
OFF
)
f = 1MHz, Figure 4 +25°C 60 pF
COM_ On-Capacitance C
COM_
(
ON
)
f = 1MHz, Figure 4 +25°C 85 pF
-3dB On-Channel Bandwidth BW
Signal = 0, R
IN
= R
OUT
=
50Ω, C
L
= 5pF, Figure 5
123 MHz
Off-Isolation (Note 9) V
ISO
f = 1M H z, V
C OM
_ = 1V
P - P
,
R
L
= 50Ω, C
L
= 5p F, Fi g ur e 5
+25°C -67 dB
Crosstalk (Note 10) V
CT
f = 1M H z, V
C OM
_ = 1V
P - P
, R
L
= 50Ω, C
L
= 5p F, Fi g ur es 4, 5
+25°C -95 dB
Total Harmonic Distortion THD
f = 20Hz to 20kHz,
V
COM
_ = 2V
P-P
, R
L
= 32Ω
+25°C 0.008 %
LOGIC INPUT (A_, EN)
Input Logic-High V
IH
1.8 V
Input Logic-Low V
IL
0.5 V
Input Leakage Current I
IN
V
EN
= 0 or +3.6V,
V
A0
= 0 or +3.6V
-1 0.005 +1 µA
POWER SUPPLY
Power-Supply Range V+ 1.6 3.6 V
Positive Supply Current I+
V+ = 3.6V, EN, A0 = 0 or V+,
all channels on or off
T
MIN
to T
MAX
2µA