3 .3 V-P o w e re d , 1 0 Mb p s a n d S le w -Ra t e -Lim it e d
Tru e RS -4 8 5 /RS -4 2 2 Tra n s c e ive rs
5680/MAX3491
DC ELECTRICAL CHARACTERISTICS (continued)
(V = 3.3V ±0.3V, T = T
to T , unless otherwise noted. Typical values are at T = +25°C)
MAX A
CC
A
MIN
PARAMETER
SYMBOL
CONDITIONS
DE = V
MIN
TYP
MAX
UNITS
,
CC
1.1
2.2
RE = 0V or V
CC
No load,
DI = 0V or V
Supply Current
I
CC
mA
CC
DE = 0V,
RE = 0V
0.95
1.9
Supply Current in Shutdown Mode
I
DE = 0V, RE = V , DI = V or 0V
CC
0.002
1
µA
SHDN
CC
V
= -7V
= 12V
-250
250
OUT
Driver Short-Circuit Output
Current
I
mA
OSD
V
OUT
Receiver Short-Circuit Output
Current
I
0V ≤ V ≤ V
CC
±8
±60
mA
OSR
RO
DRIVER SWITCHING CHARACTERISTICS—MAX3485, MAX3490, and MAX3491
(V = 3.3V, T = +25°C)
CC
A
PARAMETER
SYMBOL
CONDITIONS
= 60Ω, Figure 7
= 60Ω, Figure 7
= 27Ω, Figure 8
= 27Ω, Figure 8
= 27Ω, Figure 8
MIN
TYP
22
8
MAX
35
25
35
35
8
UNITS
ns
Driver Differential Output Delay
t
R
L
R
L
R
L
R
L
R
L
1
3
7
7
DD
Driver Differential Output Transition Time
Driver Propagation Delay, Low-to-High Level
Driver Propagation Delay, High-to-Low Level
t
ns
TD
t
t
t
22
22
ns
PLH
PHL
ns
ns
t
- t
Driver Propagation Delay Skew (Note 2)
PDS
| PLH PHL|
DRIVER OUTPUT ENABLE/DISABLE TIMES (MAX3485/MAX3491 only)
Driver Output Enable Time to Low Level
t
R
L
R
L
R
L
R
L
R
L
R
L
= 110Ω, Figure 10
= 110Ω, Figure 9
= 110Ω, Figure 9
= 110Ω, Figure 10
= 110Ω, Figure 10
= 110Ω, Figure 9
45
45
90
90
ns
ns
ns
ns
ns
ns
PZL
Driver Output Enable Time to High Level
t
t
PZH
PHZ
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
40
80
t
40
80
PLZ
PSL
PSH
t
650
650
900
900
t
DRIVER SWITCHING CHARACTERISTICS—MAX3486
(V = 3.3V, T = +25°C)
CC
A
PARAMETER
SYMBOL
CONDITIONS
MIN
24
TYP
48
MAX
70
UNITS
ns
Driver Differential Output Delay
t
R
R
R
R
R
R
R
R
R
R
R
= 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
DD
L
L
L
L
L
L
L
L
L
L
L
Driver Differential Output Transition Time
Driver Propagation Delay, Low-to-High Level
Driver Propagation Delay, High-to-Low Level
t
15
35
60
ns
TD
t
t
t
20
48
70
ns
PLH
PHL
20
48
70
ns
11
ns
t
- t
Driver Propagation Delay Skew (Note 2)
PDS
| PLH PHL|
Driver Output Enable Time to Low Level
t
55
55
100
100
80
ns
PZL
PZH
PHZ
Driver Output Enable Time to High Level
t
t
ns
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
45
ns
t
45
80
ns
PLZ
PSL
PSH
t
700
700
1000
1000
ns
t
ns
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
