Plus RS-232 Fiche technique télécharger pdf (Page 13)

Copyright © 2010 Future Technology Devices International Limited 12

Document Reference No.: FT_000148

USB-COM232-PLUS4 Datasheet

Version 1.2

Clearance No.: FTDI# 97

4 Electrical details

4.1 USB

Parameter

Description

Minimum

Typical

Maximum

Units

Conditions

USB_VCC

Input Power Voltage*

4.25

5.0*

5.25

V

*Present when USB

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

Description

Minimum

Typical

Maximum

Units

Conditions

V

trans

Transmitter output

voltage swing

± 5

V

RL = 3KΩ

V

rec

Receiver input voltage

range

±2.4

±25

V

Input resistance = 3KΩ

to 7KΩ

ESD HBM

±15

KV

RS-232 Inputs and

Outputs

Table 4.2 - RS232 Electrical Details

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 22 23

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