Datasheet

MAX4670
Integrated T1/E1/J1 Short-Haul and
Long-Haul Protection Switch
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +2.7V to +3.6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.) (Notes 2, 3)
PARAMETER
SYM B O L
CONDITIONS
MIN
TYP
MAX
UNITS
NO_ or NC_ Off-Leakage
Current
I
NO
(
OFF
),
I
NC
(
OFF
)
V + = 3.6V ; V
C OM _
= 0.3V , 3.3V ;
V
N O_
or V
N C _
= 0.3V , 3.3V
-1 +1 µA
COM_ On-Leakage Current
I
COM
(
ON
)
V+ = 3.6V; V
COM_
= 0.3V, 3.3V;
V
NO_
or V
NC_
= 0.3V, 3.3V or floating
-1 +1 µA
DYNAMIC CHARACTERISTICS
T
A
= +25°C
400
Turn-On Time t
ON
V
N O_
or V
N C _
= 1.5V ,
R
L
= 50Ω, C
L
= 35p F,
Fi g ur e 2
T
A
= T
MIN
to T
MAX
750
ns
T
A
= +25°C
200
Turn-Off Time t
OFF
V
NO
or V
NC
= 1.5V,
R
L
= 50Ω,
C
L
= 35pF, Figure 2
T
A
= T
MIN
to T
MAX
750
ns
Break-Before-Make Delay t
D
R
L
= 50Ω, C
L
= 35pF, Figure 3 80 ns
Rx interface 8
Charge Injection Q
V
GE N
= 1.5V, R
GE N
=
0Ω, C
L
= 1nF, Fi gur e 4
Tx interface 20
pC
Rx interface
300
On-Channel
3dB Bandwidth
BW
Tx interface
300
MHz
V
ISO1
R
L
= 50Ω, C
L
= 35pF,
f < 3MHz
-65
V
ISO2
Rx interface
R
L
= 50Ω, C
L
= 35pF,
3MHz < f < 30MHz
-58
V
ISO1
R
L
= 50Ω, C
L
= 35pF,
f < 3MHz
-60
Off-Isolation (Note 7)
V
ISO2
Tx interface
R
L
= 50Ω, C
L
= 35pF,
3MHz < f < 30MHz
-40
dB
V
CT1
R
L
= 50Ω, C
L
= 35pF,
f < 3MHz
-65
V
CT2
Rx interface,
Figure 5
R
L
= 50Ω, C
L
= 35pF,
3MHz < f < 30MHz
-50
V
CT1
R
L
= 50Ω, C
L
= 35pF,
f < 3MHz
-78
Crosstalk (Note 8)
V
CT2
Tx interface,
Figure 5
R
L
= 50Ω, C
L
= 35pF,
3MHz < f < 30MHz
-30
dB
C
OFFRX
Rx interface f = 1MHz, Figure 6 12
NC_ or NO_ Off-Capacitance
C
OFFTX
Tx interface f = 1MHz, Figure 6 40
pF
C
C OM
(
ON
)
TX
Rx interface 24
COM_ On-Capacitance
C
C OM
(
ON
)
RX
f = 1MHz
Tx interface 60
pF