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| 型号： | MAX13448EESD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 FULL DUPLEX 14SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 3 V ~ 5.5 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： | 管件 |
| 产品目录页面： | 1408 (CN2011-ZH PDF) |
General Description
The MAX13448E full-duplex RS-485 transceiver fea-
tures inputs and outputs fault protected up to ±80V
(with respect to ground). The device operates from a
+3.0V to +5.5V supply and features true fail-safe cir-
cuitry, guaranteeing 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-
high when all transmitters are disabled.
The MAX13448E features a slew-rate limited driver that
minimizes EMI and reduces reflections caused by
improperly terminated cables, allowing error-free data
transmission at data rates up to 500kbps with a +5V
supply, and 250kbps with a +3.3V supply.
The MAX13448E includes a hot-swap capability to elimi-
nate false transitions on the bus during power-up or hot
insertion. The driver and receiver feature active-high and
active-low enables, respectively, that can be connected
together externally to serve as a direction control.
The MAX13448E features an 1/8-unit load receiver input
impedance, allowing up to 256 transceivers on the bus.
All driver outputs are protected to ±8kV ESD using the
Human Body Model. The MAX13448E is available in a
14-pin SO package and operates over the extended
-40°C to +85°C temperature range.
Applications
Industrial Control Systems
HVAC Control systems
Utility Meters
Motor Driver Control Systems
Features
o ±80V Fault Protection on the RS-485 I/O Ports
o True Fail-Safe Receiver
o Hot-Swap Input Structure on DE
o ESD Protection on the RS-485 I/O Ports
±8kV Human Body Model
o Slew-Rate Limiting Facilitates Error-Free Data
Transmission
o 1/8-Unit Load Allows Up to 256 Transceivers on
the Bus
o -7V to +12V Common-Mode Input Voltage Range
o +3.0V to +5.5V Operating Supply Voltage
o Available in 14-Pin SO Package
MAX13448E
±80V Fault-Protected Full-Duplex
RS-485 Transceiver
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-4098; Rev 0; 5/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
MAX13448EESD+
-40°C to +85°C
14 SO
Pin Configuration appears at end of data sheet.
+
Denotes a lead-free package.
Rt
RE
RO
Y
Z
DI
9
10
A
B
Rt
12
11
6, 7
3
R
D
R
DI
D
DE
RE
RO
N.C.
R
D
DE
GND
VCC
1
μF
14
1
SO
+
VCC
N.C.
13
2
N.C.
RO
12
3A
RE
11
4B
DE
10
5Z
DI
9
6Y
GND
8
7
N.C.
GND
1, 8,
13
2
5
414
VCC
MAX13448E
Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13448EESD+ | 功能描述:RS-485接口IC Full-Dplx RS-422/485 500ksps 3-5.5V LD/Rc RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13448EESD+T | 功能描述:RS-485接口IC Full-Dplx RS-422/485 500ksps 3-5.5V LD/Rc RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13450EAUD+ | 功能描述:RS-485接口IC Half/Full-Dplx RS485 20Msps 5V LD/Rc RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13450EAUD+T | 功能描述:RS-485接口IC Half/Full-Dplx RS485 20Msps 5V LD/Rc RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX13451EAUD+ | 功能描述:RS-485接口IC Full-Dplx RS485 20Msps 5V LD/Rc RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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