MAX3490ESA/GG8 Maxim Integrated, MAX3490ESA/GG8 Datasheet - Page 4

• Manufacturer Part Number: MAX3490ESA/GG8
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated

Specifications of MAX3490ESA/GG8

• Data Rate: 10 Mbps
• Operating Supply Voltage: 3.3 V
• Supply Current: 1.9 mA
• Operating Temperature Range: 0 C to + 70 C
• Number Of Drivers: 1
• Number Of Receivers: 1
• Product: RS-422/RS-485 Combination

RECEIVER SWITCHING CHARACTERISTICS
(V
3.3V-Powered, ±15kV ESD-Protected, 12Mbps and
Slew-Rate-Limited True RS-485/RS-422 Transceivers
DRIVER SWITCHING CHARACTERISTICS—MAX3483E/MAX3488E
(V
4
Note 1: ∆V
Note 2: Measured on
Note 3: The transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 80ns, the
Maximum Data Rate
Driver Differential Output Delay
Driver Differential Output Transition Time
Driver Propagation Delay, Low-to-High Level
Driver Propagation Delay, High-to-Low Level
|
Driver-Output Enable Time to Low Level
Driver-Output Enable Time to High Level
Driver-Output Disable Time from High Level
Driver-Output Disable Time from Low Level
Driver-Output Enable Time from Shutdown to Low Level
Driver-Output Enable Time from Shutdown to High Level
Time to Shutdown
Receiver Propagation Delay,
Low-to-High Level
Receiver Propagation Delay,
High-to-Low Level
|
Propagation-Delay Skew
Receiver-Output Enable Time
to Low Level
Receiver-Output Enable Time
to High Level
Receiver-Output Disable
Time from High Level
Receiver-Output Disable
Time from Low Level
Receiver-Output Enable Time
from Shutdown to Low Level
Receiver-Output Enable Time
from Shutdown to High Level
DRIVER-OUTPUT ENABLE/DISABLE TIMES (MAX3483E only)
t
t
CC
CC
PLH
PLH
_______________________________________________________________________________________
= +3.3V, T
= +3.3V, T
- t
- t
PARAMETER
PHL
PHL
devices are guaranteed not to enter shutdown. If the inputs are in this state for at least 300ns, the devices are guaranteed
to have entered shutdown. See Low-Power Shutdown Mode section.
|
|
OD
Driver Propagation-Delay Skew (Note 2)
Receiver
A
A
and ∆V
= +25°C.)
= +25°C.)
PARAMETER
OC
t
PLH
are the changes in V
(Y) - t
SYMBOL
t
t
t
t
t
t
t
t
t
t
SHDN
RPLH
RPHL
RPDS
PRZH
PRHZ
PRSH
PHL
PRZL
PRLZ
PRSL
(Y) and t
MAX3483E/MAX3485E/MAX3486E/MAX3491E
only (Note 3)
V
MAX3483E/MAX3488E
V
MAX3483E/MAX3488E
V
MAX3483E/MAX3488E
C
MAX3483E/85E/86E/91E only
C
MAX3483E/85E/86E/91E only
C
MAX3483E/85E/86E/91E only
C
MAX3483E/85E/86E/91E only
C
MAX3483E/85E/86E/91E only
C
MAX3483E/85E/86E/91E only
ID
ID
ID
L
L
L
L
L
L
= 15pF, Figure 12,
= 15pF, Figure 12,
= 15pF, Figure 12,
= 15pF, Figure 12,
= 15pF, Figure 12,
= 15pF, Figure 12,
= 0 to 3.0V, C
= 0 to 3.0V, C
= 0 to 3.0V, C
OD
PLH
and V
(Z) - t
OC
PHL
SYMBOL
, respectively, when the DI input changes state.
CONDITIONS
L
L
L
t
t
t
t
t
t
t
t
t
(Z) .
t
t
PDS
PZH
PHZ
PSH
PLH
PHL
PZL
PLZ
PSL
= 15pF, Figure 11
= 15pF, Figure 11
= 15pF, Figure 11
DD
TD
R
R
R
R
R
R
R
R
R
R
R
L
L
L
L
L
L
L
L
L
L
L
= 60Ω, Figure 7
= 60Ω, Figure 7
= 27Ω, Figure 8
= 27Ω, Figure 8
= 27Ω, Figure 8
= 110Ω, Figure 10
= 110Ω, Figure 9
= 110Ω, Figure 9
= 110Ω, Figure 10
= 110Ω, Figure 10
= 110Ω, Figure 9
CONDITIONS
MIN
MIN
250
600
400
700
700
80
25
25
25
25
TYP
TYP
±50
900
740
930
930
900
600
190
720
720
1.9
2.2
50
50
62
75
62
75
12
25
25
25
25
6
MAX
MAX
1400
1200
1500
1500
1300
1400
1400
800
300
120
120
±10
±20
2.7
3.0
80
80
90
90
50
50
45
45
UNITS
UNITS
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns