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| 型号： | MAX14840EASA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | TXRX 40MBPS RS485/RS422 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
40Mbps, +3.3V, RS-485 Half-Duplex
Transceivers
MAX14840E/MAX14841E
19-5131; Rev 0; 2/10
Ordering Information/Selector Guide
General Description
The MAX14840E/MAX14841E are +3.3V ESD-protected
transceivers intended for half-duplex RS-485 communi-
cation up to 40Mbps. These transceivers are optimized
for high speeds over extended cable runs while maximiz-
ing tolerance to noise.
The MAX14840E features symmetrical fail-safe and larg-
er receiver hysteresis, providing improved noise rejec-
tion and improved recovered signals in high-speed and
long cable applications. The MAX14841E has true fail-
safe receiver inputs guaranteeing a logic-high receiver
output when inputs are shorted or open.
The MAX14840E/MAX14841E transceivers draw 1.5mA
(typ) supply current when unloaded or when fully loaded
with the drivers disabled. Hot-swap capability eliminates
undesired transitions on the bus during power-up or hot
insertion.
The MAX14840E/MAX14841E are available in 8-pin SO
and small, 8-pin (3mm x 3mm) TDFN-EP packages. Both
devices operate over the -40NC to +125NC automotive
temperature range.
Applications
Motion Controllers
Fieldbus Networks
Industrial Control Systems
Backplane Buses
HVAC Networks
Features
S
Half-Duplex RS-485 Transceivers
S
+3.3V Supply Voltage
S
40Mbps Maximum Data Rate
S
Large (170mV) Receiver Hysteresis on
MAX14840E
S
Symmetrical Fail-Safe Receiver Input on
MAX14840E
S
Fail-Safe Receiver Input (MAX14841E)
S
Hot-Swap Capability
S
Short-Circuit Protected Outputs
S
Thermal Self-Protection
S
Low 10A (max) Shutdown Current
S
Extended ESD Protection for RS-485 I/O Pins
±35kV Human Body Model (HBM)
±20kV Air-Gap Discharge per IEC 61000-4-2
±12kV Contact Discharge per IEC 61000-4-2
S
Automotive -40°C to +125°C Operating
Temperature Range
S
Available in Industry-Standard 8-Pin SO or
Space-Saving, 8-Pin TDFN-EP (3mm x 3mm)
Packages
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
PART
FAIL SAFE
TEMP RANGE
PIN-PACKAGE
MAX14840EASA+
Symmetrical
-40NC to +125NC
8 SO
MAX14840EATA+
Symmetrical
-40NC to +125NC
8 TDFN-EP*
MAX14841EASA+
True
-40NC to +125NC
8 SO
MAX14841EATA+
True
-40NC to +125NC
8 TDFN-EP*
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14840EASA+ | 功能描述:RS-485接口IC 40Mbps RS485/RS422 Transceiver 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 |
| MAX14840EASA+T | 功能描述:RS-485接口IC 40Mbps RS485/RS422 Transceiver 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 |
| MAX14840EATA+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX14840EATA+T | 功能描述:RS-485接口IC 40Mbps RS485/RS422 Transceiver 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 |
| MAX14840PMB1# | 功能描述:界面开发工具 1.5-3.6V 312.5ksps 1Ch 12-Bit,SAR ADCs RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
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