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| 型号： | LTC485CS8#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC TXRX INTRFC RS485 LOPWR 8SOIC |
| 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： | 4.75 V ~ 5.25 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 |
| 产品目录页面： | 1354 (CN2011-ZH PDF) |
LTC485
1
485fk
For more information www.linear.com/LTC485
TYPICAL APPLICATION
DESCRIPTION
Low Power RS485
Interface Transceiver
The LTC485 is a low power differential bus/line trans-
ceiver designed for multipoint data transmission standard
RS485 applications with extended common mode range
(12V to –7V). It also meets the requirements of RS422.
The CMOS design offers significant power savings over
its bipolar counterpart without sacrificing ruggedness
against overload or ESD damage.
The driver and receiver feature three-state outputs, with
the driver outputs maintaining high impedance over the
entire common mode range. Excessive power dissipa-
tion caused by bus contention or faults is prevented by a
thermal shutdown circuit which forces the driver outputs
into a high impedance state.
The receiver has a fail-safe feature which guarantees a
high output state when the inputs are left open.
The LTC485 is fully specified over the commercial and
extended industrial temperature range.
Driver Outputs
FEATURES
APPLICATIONS
n
Low Power: ICC = 300μA Typ
n
Designed for RS485 Interface Applications
n
Single 5V Supply
n
–7V to 12V Bus Common Mode Range Permits
±7V Ground Difference Between Devices on the Bus
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Thermal Shutdown Protection
n
Power-Up/Down Glitch-Free Driver Outputs
Permit Live Insertion or Removal of Transceiver
n
Driver Maintains High Impedance in Three-State
or with the Power Off
n
Combined Impedance of a Driver Output and
Receiver Allows Up to 32 Transceivers on the Bus
(C- and I-Grades)
n
70mV Typical Input Hysteresis
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30ns Typical Driver Propagation Delays
with 5ns Skew for Up to 2.5MB Operation
n
Pin Compatible with ±60V Protected LTC2862
n
Low Power RS485/RS422 Transceiver
n
Level Translator
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
VCC1
GND1
R
RO1
RE1
DE1
DI1
D
VCC2
GND2
R
RO2
RE2
DE2
DI2
D
Rt
485 TA01a
485 TA01b
A
B
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC485IN8 | 功能描述:IC TXRX INTERFACE RS485 LP 8DIP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC485IN8#PBF | 功能描述:IC TXRX INTRFC RS485 LOPWR 8-DIP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC485IN8#PBF | 制造商:Linear Technology 功能描述:IC RS-485 TRANSCEIVER 5V DIP-8 制造商:Linear Technology 功能描述:IC, RS-485 TRANSCEIVER, 5V, DIP-8 |
| LTC485IN8 | 制造商:Linear Technology 功能描述:IC TRANSCEIVER RS485 DIP8 485 |
| LTC485IN8PBF | 制造商:Linear Technology 功能描述:RS-485 Driver/Receiver 300uA 5V PDIP8 |
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