參數(shù)資料
型號： MAX3291EPD
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 通用總線功能
英文描述： RS-485/RS-422 Transceivers with Preemphasis for High-Speed, Long-Distance Communication
中文描述： LINE TRANSCEIVER, PDIP14
封裝： 0.300 INCH, PLASTIC, MS-001AC, DIP-14
文件頁數(shù)： 4/16頁
文件大小： 285K
代理商： MAX3291EPD
M
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
4
_______________________________________________________________________________________
SWITCHING CHARACTERISTICS (continued)
(Typical Operating Circuit, V
CC
= +5V ±5%, R
PSET
= 0 (MAX3292), V
CC
= V
CCD
(MAX3292), T
A
= +25°C, unless otherwise noted.
Typical values are at V
CC
= +5V and T
A
= +25°C.)
Note 1:
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 2:
Guaranteed by design.
Note 3:
DPER is defined as (V
ODP
/ V
OD
).
Note 4:
V
ODP
and
V
OC
are the changes in V
DD
and V
OC
, respectively, when the DI input changes. This specification reflects
constant operating conditions. When operating conditions shift, the maximum value may be momentarily exceeded.
Note 5:
V
ODP
and
V
OC
are the changes in V
OD
and V
OC
, respectively, when the DI input changes state.
Note 6:
Maximum current level applies to peak current just prior to foldback-current limiting; minimum current level applies during
current limiting.
Note 7:
Shutdown is enabled by bringing
RE
high and DE low. If the enable inputs are in this state for less than 50ns, the device is
guaranteed not to enter shutdown. If the enable inputs are in this state for at least 500ns, the device is guaranteed to have
entered shutdown. Time to shutdown for the device (t
SHDN
) is measured by monitoring R0 as in Figure 4.
Figures 2 and 6, S2 closed, R
L
= 500
,
C
L
= 100pF
Figures 2 and 6, R
L
= 500
, C
L
= 100pF,
S2 closed
CONDITIONS
ns
ns
6000
8750
t
DZH(SHDN)
Driver Enable from Shutdown
to Output High
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Figures 4 and 11 (Note 7)
ns
50
160
500
t
SHDN
Time to Shutdown
Figures 2 and 8, R
L
= 1k
, C
L
= 100pF,
S1 closed
ns
3
43
55
t
RZL
Receiver Enable to Output
Low
Figures 2 and 8, R
L
= 1k
, C
L
= 15pF,
S1 closed
ns
Figures 2 and 8, R
L
= 1k
, C
L
= 100pF,
S2 closed
25
45
t
RLZ
Receiver Disable Time from
Low
ns
3
43
55
t
RZH
Receiver Enable to Output
High
Figures 2 and 8, R
L
= 1k
, C
L
= 15pF,
S2 closed
ns
25
45
t
RHZ
Receiver Disable Time from
High
Figures 2 and 6, R
L
= 500
, C
L
= 100pF,
S1 closed
ns
6000
8750
t
DZL(SHDN)
Driver Enable from Shutdown
to Output Low
Figures 2 and 8, R
L
= 1k
, C
L
= 100pF,
S1 closed
ns
30
1500
t
RZL(SHDN)
Receiver Enable from
Shutdown to Output Low
Figures 2 and 8, R
L
= 1k
, C
L
= 100pF,
S2 closed
ns
850
1500
t
RZH(SHDN)
Receiver Enable from
Shutdown to Output High
Figures 7 and 9, C
L
= 100pF
ns
3
t
RSKEW
Receiver Output Skew
t
RPLH
- t
RPHL
Driver Enable to Output High
t
DZH
72
105
Figures 7 and 9, C
L
= 50pF, V
ID
= 2V,
V
CM
= 0
Receiver Propagation Delay
t
RPHL
52
85
ns
49
85
t
RPLH
Figures 2 and 6, S2 closed, R
L
= 500
,
C
L
= 15pF
Driver Disable Time from High
t
DHZ
71
100
ns
Figures 2 and 6, S1 closed, R
L
= 500
,
C
L
= 15pF
Driver Disable Time from Low
t
DLZ
53
100
ns
Figures 2 and 6, S1 closed, R
L
= 500
,
C
L
= 100pF
Driver Enable to Output Low
t
DZL
55
105
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3291EPD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3291ESD 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3291ESD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3291ESD+T 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3291ESD-T 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
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