Datasheet

MAX4744/MAX4744H/MAX4745/MAX4745H/MAX4746H
Low-Voltage, Dual SPDT, Audio Clickless
Switches with Negative Rail Capability
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2.7V to +5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= 3.3V, T
A
= +25°C.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
T
A
= +25°C 30
COM_ Leakage Under Protection
Conditions
I
L
(
PROT
)
V
CC
= 0V; V
COM
_ = +5.5V;
V
NC
_ and V
NO
_ are
unconnected or connected to
GND; V
CB
_ = 0V
(MAX4744H/MAX4745H/
MAX4746H only)
T
A
= T
MIN
to
T
MAX
500
nA
DYNAMIC CHARACTERISTICS
For N O_, V
N O_
= 1.5V ,
V
C B_
= 0V to V
C C
55
Turn-On Time t
ON
V
C C
= 2.7V ,
R
L
= 32Ω ,
C
L
= 35p F, Fi g ur e 2
For N C _, V
N C _
= 1.5V ,
V
C B_
= V
C C
to 0V
560
ns
For N O_, V
N O_
= 1.5V ,
V
C B_
= V
C C
to 0V
540
Turn-Off Time t
OFF
V
CC
= 2.7V, R
L
=
32Ω, C
L
= 35pF,
Figure 2
For N C _, V
N C _
= 1.5V ,
V
C B_
= 0V to V
C C
36
ns
Break-Before-Make Delay Time t
D
V
CC
= 2.7V, V
NC
_ = V
NO_
= 1.5V; for NO_,
V
CB
_ = V
CC
to 0V; for NC_, V
CB
_ = 0V to
V
CC
; R
L
= 32Ω; C
L
= 35pF; Figure 3
20 ns
Power-Supply Rejection Ratio PSRR
f = 100kHz, V
COM
_ = 1V
RMS
, R
L
= 50Ω,
C
L
= 5pF
52 dB
Charge Injection Q V
GEN
_ = 0V; R
GEN
= 0Ω, C
L
= 1nF, Figure 4 450 pC
Off-Isolation V
ISO
C
L
= 5pF; R
L
= 50Ω; f = 100kHz;
V
COM
_ = 1V
RMS
; Figure 5 (Note 7)
-68 dB
Crosstalk V
CT
C
L
= 5pF; R
L
= 50Ω;
f = 100kHz; V
COM
_ = 1V
RMS
; Figure 5
-75 dB
Total Harmonic Distortion THD
f = 20Hz to 20kHz, V
COM_
= 0.5V
P-P
,
R
L
= 50Ω
0.01 %
NO_, NC_ Off-Capacitance
C
NO_(OFF),
C
NC_
(
OFF
)
f = 1MHz, Figure 6 90 pF
COM On-Capacitance C
COM_
(
ON
)
f = 1MHz, Figure 6 300 pF