參數(shù)資料
型號(hào)： MAX13084EESA+T
廠(chǎng)商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/24頁(yè)
文件大小： 0K
描述： IC TXRX RS485/422 ESD 8SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類(lèi)型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： RS422，RS485
電源電壓： 4.5 V ~ 5.5 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SOIC
包裝： 帶卷 (TR)
Low-Power Shutdown Mode (Except
MAX13081E/MAX13084E/MAX13087E)
Low-power shutdown mode is initiated by bringing both
RE high and DE low. In shutdown, the devices typically
draw only 2.8A of supply current.
RE and DE can be driven simultaneously; the devices
are guaranteed not to enter shutdown if
RE is high and
DE is low for less than 50ns. If the inputs are in this
state for at least 700ns, the devices are guaranteed to
enter shutdown.
Enable times tZH and tZL (see the Switching
Characteristics section) assume the devices were not in
a low-power shutdown state. Enable times tZH(SHDN) and
tZL(SHDN) assume the devices were in shutdown state. It
takes drivers and receivers longer to become enabled
from low-power shutdown mode (tZH(SHDN), tZL(SHDN))
than from driver/receiver-disable mode (tZH, tZL).
Driver Output Protection
Two mechanisms prevent excessive output current and
power dissipation caused by faults or by bus contention.
The first, a foldback current limit on the output stage,
provides immediate protection against short circuits over
the whole common-mode voltage range (see the
Typical
Operating Characteristics). The second, a thermal-shut-
down circuit, forces the driver outputs into a high-imped-
ance state if the die temperature exceeds +175°C (typ).
Line Length
The RS-485/RS-422 standard covers line lengths up to
4000ft. For line lengths greater than 4000ft, use the
repeater application shown in Figure 11.
Typical Applications
The MAX13082E/MAX13088E/MAX13089E transceivers
are designed for bidirectional data communications on
multipoint bus transmission lines. Figures 12 and 13
show typical network applications circuits.
To minimize reflections, terminate the line at both ends
in its characteristic impedance, and keep stub lengths
off the main line as short as possible. The slew-rate-lim-
ited MAX13082E and the two modes of the MAX13089E
are more tolerant of imperfect termination.
Chip Information
PROCESS: BiCMOS
+5.0V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
RO
DI
DE
R
D
MAX13080E/MAX13081E/MAX13083E/
MAX13084E/MAX13086E/MAX13087E/
MAX13089E (FULL DUPLEX)
RE
120
Ω
120
Ω
A
B
Z
Y
DATA IN
DATA OUT
Figure 11. Line Repeater for MAX13080E/MAX13081E/
MAX13083E/MAX13084E/MAX13086E/MAX13087E/MAX13089E
in Full-Duplex Mode
DI
RO
DE
A
B
RE
RO
DI
DE
D
R
BB
B
A
120
Ω
120
Ω
D
R
MAX13082E
MAX13088E
MAX13089E (HALF DUPLEX)
RE
Figure 12. Typical Half-Duplex RS-485 Network
18
Maxim Integrated
MAX13080E–MAX13084E/
MAX13086E–MAX13089E
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX13085EAPA 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
MAX13085EASA 功能描述:RS-422/RS-485 接口 IC Half Duplex 500Kbps 5V RS-422/485 LD/Rcv 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
MAX13085EASA+ 功能描述:RS-422/RS-485 接口 IC Half Duplex 500Kbps 5V RS-422/485 LD/Rcv 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
MAX13085EASA+T 功能描述:RS-422/RS-485 接口 IC Half Duplex 500Kbps 5V RS-422/485 LD/Rcv 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
MAX13085EASA-T 功能描述:RS-422/RS-485 接口 IC Half Duplex 500Kbps 5V RS-422/485 LD/Rcv 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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