Document Reference No.: FT_000151
DS_US232R-10(R-100/500) USB TO RS232 ADAPTER CABLE Data Sheet
Version 1.11
Clearance No.: # 99
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.
I cc
USB current
30
50
mA
Table 4.1 USB Electrical Details
4.2 RS232
Parameter
V trans
V rec
Description
Transmitter output
voltage swing
Receiver input voltage
range
Minimum
±5
±2.4
Typical
Maximum
±25
Units
V
V
Conditions
RL = 3K Ω
Input resistance = 3K Ω
to 7K Ω
ESD HBM
±15
KV
RS-232 Inputs and
Outputs
Table 4.2 RS232 Electrical Details
Copyright ? 2011 Future Technology Devices International Limited
18
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