參數(shù)資料
型號(hào)： MAX3462CSA+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS485/422 8-SOIC
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： 4.75 V ~ 5.25 V
安裝類型： 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)
General Description
The MAX3460–MAX3464 are high-speed differential
bus transceivers for RS-485 and RS-422 communica-
tions. They are designed to meet TIA/EIA-422-B,
TIA/EIA-485-A, V.11, and X.27 standards. The trans-
ceiver complies with the Profibus specification provid-
ing +2.1V output level with a 54
load, 20Mbps data
rate, and output skew less than 2ns. Each part contains
one three-state differential line driver and one differen-
tial input line receiver. The devices operate from a +5V
supply and feature true fail-safe circuitry, which guaran-
tees a logic-high receiver output when the receiver
inputs are open or shorted. This enables all receiver
outputs on a terminated bus to output logic highs when
all transmitters are disabled.
All devices feature a 1/4 standard unit load receiver
input impedance that allows 128 transceivers on the
bus. Driver and receiver propagation delays are guar-
anteed under 20ns for multidrop, clock distribution
applications. Drivers are short-circuit current limited
and are protected against excessive power dissipation
by thermal shutdown circuitry. The driver and receiver
feature active-high and active-low enables, respective-
ly, that can be connected together externally to serve
as a direction control.
Applications
High-Speed RS-485 Communications
High-Speed RS-422 Communications
Level Translators
Industrial-Control Local Area Networks
Profibus Applications
Features
o Recommended for Profibus Applications
o Guaranteed 20Mbps Data Rate
o 20ns Transmitter and Receiver Propagation Delay
o 2ns Transmitter and Receiver Skew
o High Differential Driver Output Level (2.1V on 54)
o Hot-Swap Versions
o 1A Shutdown Supply Current
o Low Supply Current Requirements (2.5mA typ)
o Allow Up to 128 Transceivers on the Bus
o True Fail-Safe Receiver while Maintaining EIA/TIA-
485 Compatibility
o Designed for Multipoint Transmissions on Long
or Noisy Bus Lines
o Full Duplex and Half Duplex Versions Available
o Phase Controls to Correct for Twisted-Pair
Reversal for 14-Pin Versions
o Current-Limiting and Thermal Shutdown for
Driver Overload Protection
MAX3460–MAX3464
+5V, Fail-Safe, 20Mbps, Profibus RS-485/
RS-422 Transceivers
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
PART
NUMBER
HALF/FULL
DUPLEX
RECEIVER/
DRIVER
ENABLE
LOW-
POWER
SHUTDOWN
HOT SWAP
RECEIVER/
DRIVER PHASE
SELECT
INDEPENDENT
SHDN PIN
PIN COUNT
MAX3460
Full
Yes
14
MAX3461
Full
Yes
No
Yes
14
MAX3462
Full
No
8
MAX3463
Half
Yes
No
8
MAX3464
Half
Yes
No
8
Selector Guide
19-2217; Rev 1; 2/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Ordering Information continued at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX3460CSD
0°C to +70°C
14 SO
MAX3460CPD
0°C to +70°C
14 Plastic DIP
MAX3460ESD
-40°C to +85°C
14 SO
MAX3460EPD
-40°C to +85°C
14 Plastic DIP
Pin Configurations appear at end of data sheet.
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參數(shù)描述
MAX3462EPA 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
MAX3462ESA 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
MAX3462ESA+ 功能描述:RS-422/RS-485 接口 IC 5V Fail-Safe 20Mbps Profibus Tcvr 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
MAX3462ESA+T 功能描述:RS-422/RS-485 接口 IC 5V Fail-Safe 20Mbps Profibus Tcvr 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
MAX3462ESA-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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