參數(shù)資料
型號(hào)： MAX3294
廠商： Maxim Integrated Products, Inc.
元件分類： RS-485
英文描述： 20Mbps, +3.3V, SOT23 RS-485/ RS-422 Transmitters
中文描述： 20Mbps、+3.3V、SOT23封裝、RS-485/RS-422發(fā)送器
文件頁(yè)數(shù)： 4/11頁(yè)
文件大小： 316K
代理商： MAX3294
M
20Mbps, +3.3V, SOT23 RS-485/
RS-422 Transmitters
4
_______________________________________________________________________________________
Note 1:
Devices production tested at +25°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:
V
OD
and
V
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.
SWITCHING CHARACTERISTICS (MAX3295)
(V
CC
= +3.3V ±5%, T
A
= +25°C, unless otherwise noted. Typical values are at V
CC
= +3.3V.)
PARAMETER
SYMBOL
t
PLH
t
PHL
CONDITIONS
MIN
TYP
MAX
25
25
18.5
15
18.5
15
UNITS
Driver Propagation Delay
Figures 2, 3; R
DIFF
= 54
, C
L
= 50pF
ns
T
A
= -40°C to +125°C
T
A
< +85°C
T
A
= -40°C to +125°C
T
A
< +85°C
t
R
Driver Differential Output Rise
or Fall Time
t
F
Figures 2, 3;
R
DIFF
= 54
,
C
L
= 50pF
ns
Driver Output Skew
t
SKEW
Figures 2, 3; R
DIFF
= 54
, C
L
= 50pF,
t
SKEW
= | t
PLH
- t
PHL
|
Figures 2, 3; R
DIFF
= 54
, C
L
= 50pF
Figures 2, 3; R
DIFF
= 54
, C
L
= 50pF,
T
A
≤
+85°C
Figures 2, 3; R
DIFF
= 54
, C
L
= 50pF
Figures 4, 5; S2 closed, R
L
= 500
,
C
L
= 100pF
5
ns
Differential Driver Output Skew
t
DSKEW
5
ns
20
Maximum Data Rate
16
Mbps
Driver Enable to Output High
t
ZH
400
ns
Driver Enable to Output Low
t
ZL
Figures 4, 5; S1 closed, R
L
= 500
,
C
L
= 100pF
400
ns
Driver Disable Time from Low
t
LZ
Figures 4, 5; S1 closed, R
L
= 500
,
C
L
= 100pF
100
ns
Driver Disable Time from High
t
HZ
Figures 4, 5; S2 closed, R
L
= 500
,
C
L
= 100pF
100
ns
Device-to-Device Propagation
Delay Matching
Same power supply, maximum temperature
difference between devices = +30°C (Note 5)
25
ns
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