Datasheet
MAX3483/MAX3485/MAX3486/MAX3488/MAX3490/MAX3491
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
_______________________________________________________________________________________ 3
No load,
DI = 0V or V
CC
µA0.002 1I
SHDN
Supply Current in Shutdown Mode
0.95 1.9
mA
1.1 2.2
I
CC
Supply Current
mA
-250
I
OSD
250
Driver Short-Circuit Output
Current
mA±8 ±60I
OSR
Receiver Short-Circuit Output
Current
UNITSMIN TYP MAXSYMBOLPARAMETER
DE = 0V, RE = V
CC
, DI = V
CC
or 0V
DE = 0V,
RE = 0V
DE = V
CC
,
RE = 0V or V
CC
V
OUT
= -7V
V
OUT
= 12V
0V ≤ V
RO
≤ V
CC
CONDITIONS
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.3V ±0.3V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C)
ns72235t
PLH
Driver Propagation Delay, Low-to-High Level
ns3825t
TD
ns12235t
DD
Driver Differential Output Delay
Driver Differential Output Transition Time
ns650 900t
PSH
Driver Output Enable Time from Shutdown to High Level
ns650 900t
PSL
Driver Output Enable Time from Shutdown to Low Level
ns40 80t
PHZ
Driver Output Disable Time from High Level
ns72235t
PHL
Driver Propagation Delay, High-to-Low Level
ns8t
PDS
|
t
PLH
- t
PHL|
Driver Propagation Delay Skew (Note 2)
ns45 90t
PZL
Driver Output Enable Time to Low Level
ns45 90t
PZH
Driver Output Enable Time to High Level
UNITSMIN TYP MAXSYMBOLPARAMETER
R
L
= 27Ω, Figure 8
R
L
= 60Ω, Figure 7
R
L
= 60Ω, Figure 7
R
L
= 110Ω, Figure 9
R
L
= 110Ω, Figure 10
R
L
= 110Ω, Figure 9
R
L
= 27Ω, Figure 8
R
L
= 27Ω, Figure 8
R
L
= 110Ω, Figure 10
R
L
= 110Ω, Figure 9
CONDITIONS
DRIVER SWITCHING CHARACTERISTICS—MAX3485, MAX3490, and MAX3491
(V
CC
= 3.3V, T
A
= +25°C)
ns40 80t
PLZ
Driver Output Disable Time from Low Level R
L
= 110Ω, Figure 10
DRIVER SWITCHING CHARACTERISTICS—MAX3486
(V
CC
= 3.3V, T
A
= +25°C)
ns45 80t
PLZ
Driver Output Disable Time from Low Level R
L
= 110Ω, Figure 10
ns20 48 70t
PLH
Driver Propagation Delay, Low-to-High Level
ns15 35 60t
TD
ns24 48 70t
DD
Driver Differential Output Delay
Driver Differential Output Transition Time
ns700 1000t
PSH
Driver Output Enable Time from Shutdown to High Level
ns700 1000t
PSL
Driver Output Enable Time from Shutdown to Low Level
ns45 80t
PHZ
Driver Output Disable Time from High Level
ns20 48 70t
PHL
Driver Propagation Delay, High-to-Low Level
ns11t
PDS
|
t
PLH
- t
PHL|
Driver Propagation Delay Skew (Note 2)
ns55 100t
PZL
Driver Output Enable Time to Low Level
ns55 100t
PZH
Driver Output Enable Time to High Level
UNITSMIN TYP MAXSYMBOLPARAMETER
R
L
= 27Ω, Figure 8
R
L
= 60Ω, Figure 7
R
L
= 60Ω, Figure 7
R
L
= 110Ω, Figure 9
R
L
= 110Ω, Figure 10
R
L
= 110Ω, Figure 9
R
L
= 27Ω, Figure 8
R
L
= 27Ω, Figure 8
R
L
= 110Ω, Figure 10
R
L
= 110Ω, Figure 9
CONDITIONS
DRIVER OUTPUT ENABLE/DISABLE TIMES (MAX3485/MAX3491 only)