參數(shù)資料
型號(hào)： MAX3291
廠商： Maxim Integrated Products, Inc.
英文描述： 32-Bit Digital Signal Controller with Flash 128-LQFP -40 to 85
中文描述： RS-485/RS-422收發(fā)器，帶有預(yù)加重，用于高速、遠(yuǎn)距離通信
文件頁(yè)數(shù)： 9/16頁(yè)
文件大?。?/td> 285K
代理商： MAX3291
INPUTS
M
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
_______________________________________________________________________________________
9
R
B
RO
C
L
ATE
A
V
ID
R
Z
N
Y
P
Z
P
Y
N
Z
N
Z
P
Y
P
Y
N
0 DIFFERENTIAL
t
PRE
t
PTND
80%
20%
50%
Figure 9. Receiver Propagation Delay Test Circuit
Figure 10. Preemphasis Timing
RE
DI
DE
1k
V
CC
RO
MAX3291
MAX3292
Figure 11. Time-to-Shutdown Test Circuit
Func tion Tables
DI
RE
DE
1
X
1
INPUTS
Z
0
OUTPUTS
Y
1
TRANSMITTING
1
0
0
X
1
High-Z
High-Z
High-Z and
SHUTDOWN
X
1
0
X
0
0
A-B
RE
DE
OUTPUT
RO
1
0
1
≤
-0.2V
Open
X
0
0
1
X
X
1
High-Z and
SHUTDOWN
X
1
0
≥
0.2V
0
X
X = Don’t care
Z = High impedance
SHUTDOWN = Low-power shutdown; driver and receiver outputs are high impedance.
INPUTS
RECEIVING
High-Z
相關(guān)PDF資料
PDF描述
MAX3291CPD RS-485/RS-422 Transceivers with Preemphasis for High-Speed, Long-Distance Communication
MAX3291CSD SCR Thyristor; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
MAX3291-MAX3292 32-Bit Digital Signal Controller with Flash 128-LQFP -40 to 125
MAX3291EPD RS-485/RS-422 Transceivers with Preemphasis for High-Speed, Long-Distance Communication
MAX3291ESD 32-Bit Digital Signal Controller with Flash 179-BGA MICROSTAR -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3291CPD 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
MAX3291CPD+ 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
MAX3291CSD 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
MAX3291CSD+ 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
MAX3291CSD+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
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