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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)： | 8/16頁 |
| 文件大?。?/td> | 285K |
| 代理商： | MAX3291EPD |
M
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
8
_______________________________________________________________________________________
DI
DE
D
5V
Y
Z
C
L1
C
L2
R
DIFF
V
ODP
RE
RO
DE = LOW
t > t
SHDN
t < t
SHDN
t
RZH(SHDN)
Figure 3. Driver Timing Test Circuit
Figure 4. Shutdown Timing Diagram
DI
5V
0
Z
N
Y
P
Z
P
Y
N
Z
N
Z
P
Y
P
Y
N
0 DIFFERENTIAL
0 DIFFERENTIAL
1.5V
t
DPLH
20%
80%
80%
t
DPHL
1.5V
20%
t
HL
t
LH
V
DIFF
= V
Y
- V
Z
V
DIFF
t
SKEW =
|
t
PLH
- t
PHL
|
|
Y
N
- Z
N
|
=
V
OD
|
Y
P
- Z
P
|
=
V
ODP
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
5V
0
Y, Z
Y, Z
0
1.5V
1.5V
V
PH
V
PL
V
OL
* + 0.5V
V
OH
* - 0.5V
2.3V
*NOTE: V
OH
AND V
OL
ARE THE OUTPUT LEVELS IN FIGURE 2 WITH
S2 AND S1 CLOSED, RESPECTIVELY.
2.3V
t
DZL(SHDN)
, t
DZL
t
DLZ
t
DZH(SHDN)
, t
DZH
t
DHZ
DE
Figure 5. Driver Propagation Delays
Figure 6. Driver Enable and Disable Times
RO
V
OH
V
OL
A +1V
B -1V
0 DIFFERENTIAL
1.5V
t
RPHL
t
RPLH
1.5V
t
RSKEW =
|
t
RPLH
- t
RPHL
|
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
V
CC
RO
RO
0
1.5V
1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
1.5V
1.5V
t
RZL(SHDN)
, t
RZL
t
RLZ
t
RZH(SHDN)
, t
RZH
t
RHZ
RE
Figure 7. Receiver Propagation Delays
Figure 8. Receiver Enable and Disable Times
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相關代理商/技術參數(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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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