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| 型号： | MAX3460CSD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/422 14-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 带卷 (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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3460EPD | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3460EPD+ | 制造商:Maxim Integrated Products 功能描述:PROFIBUS RS-485/RS-422 TRANSCEIVERS |
| MAX3460ESD | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3460ESD+ | 功能描述:RS-422/RS-485 接口 IC 5V Fail-Safe 20Mbps Profibus Tcvr RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX3460ESD+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 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
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