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MAX3293数据手册封面

MAX3293 Datasheet

  • MAX3293

  • "250Kbps, +3.3V, SOT23, RS-485/ RS-422 Transmitters"

  • 327.32KB

  • Maxim

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20Mbps, +3.3V, SOT23 RS-485/
RS-422 Transmitters
MAX3293/MAX3294/MAX3295
SWITCHING CHARACTERISTICS (MAX3295)
(V
CC
= +3.3V 卤5%, T
A
= +25掳C, unless otherwise noted. Typical values are at V
CC
= +3.3V.)
PARAMETER
Driver Propagation Delay
SYMBOL
t
PLH
t
PHL
t
R
t
F
Driver Output Skew
Differential Driver Output Skew
Maximum Data Rate
t
SKEW
t
DSKEW
CONDITIONS
Figures 2, 3; R
DIFF
= 54鈩? C
L
= 50pF
T
A
= -40掳C to +125掳C
Figures 2, 3;
R
DIFF
= 54鈩?
C
L
= 50pF
T
A
< +85掳C
T
A
= -40掳C to +125掳C
T
A
< +85掳C
Figures 2, 3; R
DIFF
= 54鈩? C
L
= 50pF,
t
SKEW
= | t
PLH
- t
PHL
|
Figures 2, 3; R
DIFF
= 54鈩? C
L
= 50pF
Figures 2, 3; R
DIFF
= 54鈩? C
L
= 50pF,
T
A
鈮?/div>
+85掳C
Figures 2, 3; R
DIFF
= 54鈩? C
L
= 50pF
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Device-to-Device Propagation
Delay Matching
t
ZH
t
ZL
t
LZ
t
HZ
Figures 4, 5; S2 closed, R
L
= 500鈩?
C
L
= 100pF
Figures 4, 5; S1 closed, R
L
= 500鈩?
C
L
= 100pF
Figures 4, 5; S1 closed, R
L
= 500鈩?
C
L
= 100pF
Figures 4, 5; S2 closed, R
L
= 500鈩?
C
L
= 100pF
Same power supply, maximum temperature
difference between devices = +30掳C (Note 5)
20
16
400
400
100
100
25
ns
ns
ns
ns
ns
5
5
MIN
TYP
MAX
25
25
18.5
15
18.5
15
ns
ns
Mbps
ns
UNITS
ns
Driver Differential Output Rise
or Fall Time
Note 1:
Devices production tested at +25掳C. Limits over the operating temperature range are guaranteed by design.
Note 2:
All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device
ground, unless otherwise noted.
Note 3:
鈭哣
OD
and
鈭哣
OC
are the changes in V
OD
and V
OC
, respectively, when the DI input changes state.
Note 4:
The maximum current applies to peak current just prior to foldback current limiting.
Note 5:
Not production tested. Guaranteed by design.
4
_______________________________________________________________________________________

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