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参数资料
| 型号： | USB-COM485-PLUS1 |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 13/24页 |
| 文件大小： | 0K |
| 描述： | MOD USB RS485 CONVERTER 1 CH |
| 产品目录绘图： | USB Module Single |
| 标准包装： | 5 |
| 系列： | USB-COM-Plus |
| 类型： | USB 至 RS-485 |
| 连接器类型： | USB-B 至 DB9 |
| 产品目录页面： | 633 (CN2011-ZH PDF) |
| 其它名称： | 768-1038 USB-COM485-PLUS-1 |
Document Reference No.: FT_000132
USB-COM485-PLUS1 Datasheet
Version 1.21
Clearance No.: FTDI# 95
4
Electrical details
4.1 USB
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
*Present when USB
USB_VCC
Input Power Voltage*
4.25
5.0*
5.25
V
cable is attached and
USB Host or Hub
powered.
***Does not include
I cc
USB current***
30
50
mA
power supplied to
external device
connected to pin 9
Table 4.1 USB Electrical Details
4.2 RS485
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Receiver Input
VCM
Common-mode input
-7
+12
V
voltage range
IN
Input Current
1.0
VIN = +12V
mA
-0.8
VIN = -7V
VTH
VIHYST
RIN
Differential Threshold
Voltage
Input Hysteresis
Input Resistance, RIN
-0.2
12
20
15
+0.2
V
mV
k Ω
Transmitter Output
VOD
Differential Output
Voltage
1.5
5
V
With RL = 54 Ω .
CL = 50pF *
ESD Tolerance
ESD HBM
EN61000-4-2
Contact Discharge
EN61000-4-2 Air
Gap Discharge
RS485 Inputs and
Outputs
RS-485 Inputs and
Outputs
RS-485 Inputs and
Outputs
±15
±8
±15
kV
kV
kV
Table 4.2 RS485 Electrical Details
* - The 54 ohms is the equivalent of two 120 ohm termination resistors placed on each side of the
Copyright ? 2010 Future Technology Devices International Limited
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相关代理商/技术参数 |
参数描述 |
|---|---|
| USB-COM485-PLUS-1 | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:COMMUNICATION DEVICES PROVIDE A SIMPLE METHOD OF ADAPTING LEGACY SERIAL DEVICES WITH RS485 INTERFACES TO MODERN USB PORTS 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE DEV USB-RS485 1 COM PORT 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MOD, USB FS TO RS485, 1 PORT, FT232R 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE, USB FS TO RS485 CONV, 1 COM PORT, FT232R; ;ROHS COMPLIANT: YES |
| USB-COM485-PLUS2 | 功能描述:界面模块 USB HS to RS485 Conv Assembly 2 DB9 Ports RoHS:否 制造商:4D Systems 产品:Serial Converters 通道/端口数量: 数据速率: 接口类型:USB, UART 工作电源电压:3.3 V, 5 V 最大工作温度: |
| USB-COM485-PLUS-2 | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB TO A DUAL INTERFACE RS485 LEVEL SERIAL UART ADAPTOR 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE DEV USB-RS485 2 COM PORT 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MOD, USB HS TO RS485, 2 CH, FT2232H 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE, USB HS TO RS485 CONV, 2 COM PORT, FT2232H; ;ROHS COMPLIANT: YES |
| USB-COM485-PLUS4 | 功能描述:界面模块 USB HS to RS485 Conv Assembly 4 DB9 Ports RoHS:否 制造商:4D Systems 产品:Serial Converters 通道/端口数量: 数据速率: 接口类型:USB, UART 工作电源电压:3.3 V, 5 V 最大工作温度: |
| USB-COM485-PLUS-4 | 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB TO A QUAD INTERFACE RS485 LEVEL SERIAL UART ADAPTOR 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE DEV USB-RS485 4 COM PORT 制造商:Future Technology Devices International (FTDI Chip) 功能描述:MODULE, DEV, USB-RS485, 4 COM PORT; Kit Features:Works with USB 1.1 & 2.0 Host and Hub Ports, FIFO: 2KB Transmit Buffer, 2KB Receive Buffer; MCU Supported Families:FT232R, FT2232, FT232BM; Type:Development Module ;RoHS Compliant: Yes |
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