Datasheet

MAX4670
Integrated T1/E1/J1 Short-Haul and
Long-Haul Protection Switch
4 _______________________________________________________________________________________
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
DIGITAL I/O (IN_, SWITCH )
Input-Low Voltage V
IL
V+ = 2.7V 0.5 V
Input-High Voltage V
IH
V+ = 3.6V 1.4 V
Input Leakage Current I
IL
V
IN_
= 0 or V+, V
S W I T C H
= 0 or V+ -1 +1 µA
SUPPLY
Operating Voltage Range V+ 2.7 3.6 V
Supply Current I+ V+ = 3.6V, V
IN_
= V
S W I T C H
= 0 or V+ 10 µA
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 100% tested at hot and room and guaranteed by design at cold.
Note 4: ∆R
ON
= R
ON(MAX)
- R
ON(MIN)
.
Note 5: Guaranteed by design.
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: Off-isolation = 20log
10
[V
COM_
/ (V
NO_
or V
NC_
)], V
COM_
= output, V
NO_
or V
NC_
= input to off switch.
Note 8: Crosstalk between any two switches.
Typical Operating Characteristics
(V+ = 3.0V, T
A
= +25°C, unless otherwise noted.)
ON-RESISTANCE
vs. COM_VOLTAGE (Tx INTERFACE)
MAX4670 toc01
V
COM_
(V)
ON-RESISTANCE (Ω)
3.01.2 1.8 2.40.6
0.6
0.7
0.8
0.9
0.5
03.6
V+ = 3V
V+ = 2.7V
V+ = 3.6V
ON-RESISTANCE vs. COM_ VOLTAGE
OVER TEMPERATURE (Tx INTERFACE)
MAX4670 toc02
V
COM_
(V)
ON-RESISTANCE (Ω)
2.72.42.11.81.51.20.90.60.3
0.2
0.4
0.6
0.8
1.0
1.2
0
0 3.0
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
ON-RESISTANCE
vs. COM_VOLTAGE (Rx INTERFACE)
MAX4670 toc03
V
COM_
(V)
ON-RESISTANCE (Ω)
3.01.2 1.8 2.40.6
4
5
6
7
8
9
10
3
0 3.6
V+ = 3.6V
V+ = 2.7V
V+ = 3V