MAX3491C/D Maxim Integrated, MAX3491C/D Datasheet - Page 3

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MAX3491C/D

Manufacturer Part Number
MAX3491C/D
Description
RS-422/RS-485 Interface IC 3.3V Powered 10Mbps and Slew-Rate Limited True RS-485/RS-422 Transceiver
Manufacturer
Maxim Integrated
Datasheet

Specifications of MAX3491C/D

Data Rate
10 Mbps
Operating Supply Voltage
3 V to 3.6 V
Supply Current
2.2 mA
Operating Temperature Range
0 C to + 70 C
Input Voltage
3 V to 3.6 V
Maximum Power Dissipation
800 mW
Output Voltage
- 7.5 V to + 12.5 V
Product
RS-422/RS-485 Combination
Propagation Delay Time Ns
22 ns
DC ELECTRICAL CHARACTERISTICS (continued)
(V
DRIVER SWITCHING CHARACTERISTICS—MAX3485, MAX3490, and MAX3491
(V
DRIVER SWITCHING CHARACTERISTICS—MAX3486
(V
Maxim Integrated
Supply Current
Supply Current in Shutdown Mode
Driver Short-Circuit Output
Current
Receiver Short-Circuit Output
Current
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
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
DRIVER OUTPUT ENABLE/DISABLE TIMES (MAX3485/MAX3491 only)
t
t
CC
CC
PLH
CC
PLH
3.3V-Powered, 10Mbps and Slew-Rate-Limited
= 3.3V ±0.3V, T
= 3.3V, T
= 3.3V, T
- t
- t
PHL
PHL
PARAMETER
|
|
Driver Propagation Delay Skew (Note 2)
Driver Propagation Delay Skew (Note 2)
A
A
= +25°C)
= +25°C)
A
PARAMETER
PARAMETER
= T
MIN
to T
MAX
SYMBOL
, unless otherwise noted. Typical values are at T
I
SHDN
I
I
I
OSD
OSR
CC
True RS-485/RS-422 Transceivers
No load,
DI = 0V or V
DE = 0V, RE = V
V
V
0V ≤ V
OUT
OUT
= -7V
= 12V
RO
MAX3488/MAX3490/MAX3491
≤ V
SYMBOL
SYMBOL
CC
CC
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PDS
PZH
PHZ
PSH
t
PLH
PHL
PDS
PZH
PHZ
PSH
CONDITIONS
PZL
PLZ
PSL
PZL
PLZ
PSL
DD
DD
TD
TD
CC
, DI = V
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CC
= 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
= 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
CONDITIONS
DE = V
RE = 0V or V
DE = 0V,
RE = 0V
or 0V
CC
,
A
= +25°C)
CC
MIN
MIN
MIN
±8
24
15
20
20
1
3
7
7
0.002
TYP
TYP
TYP
0.95
650
650
700
700
1.1
22
22
22
45
45
40
40
48
35
48
48
55
55
45
45
8
MAX
MAX
MAX
1000
1000
-250
±60
100
100
250
900
900
2.2
1.9
25
35
35
35
90
90
80
80
70
60
70
70
11
80
80
1
8
UNITS
UNITS
UNITS
mA
mA
mA
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3

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