TTL-RS232/422 Isolation Converter -ISO654
Description
ISO654:TTL to RS232 isolate converter & TTL to RS422 converter ,rates up to 19.2Kbps,+5VDC power,application in Automatic etc.
Specifications ( Tj=25ºC )
Supple
5V5%
Transmission Rate
20Kbps
Current
100mA
TTL Input current
4uA
Isolation Resistance
10000M
TTL Output Low Level(Iout=3mA)
0.2-0.4V
Isolation Voltage
2500Vrms
TTL Output High Level(Iout=1mA)
3.5-Vcc-0.2V
Operating Temperature
-10ºC ~ 85ºC
RS232 Input Voltage
-30V-30V
Storge Temperature
-40ºC ~ 125ºC
RS232 Output Voltage
-15V-15V
Pin Define
Pin
Label
Description
1
R1/R3out
Receiver R1 or R3 output TTL Level
5
Vcc
Supply:4.75-5.25V
7
T2in
Transmit T2 Input TTL Level
8
T1in/DI
Transmitter T1 or T3 Input TTL Level
10
GND
GND
11
DE
Transmitter T3 Control,High level availability
12
R2out
Receiver R2 Output TTL Level
21
RX+
Receiver R3 RS422/RX+
23
RX-
Receiver R3 RS422/RX-
26
r1out
Receiver R1 Output TTL Level(ISOgnd)
27
IN(r1/r3out)
r1out,r3out switch,TTL Level(Input)
28
r3out
Receiver R3 Output TTL Level(ISOgnd)
29
TX+
Transmitter T3 RS422/TX+
30
TX-
Transmitter T3 RS422/TX-
33
R2in
Receiver R2 Input RS232 Level
34
R1in
Receiver R1 Input RS232 Level
35
T2out
Transmitter T2 Output RS232 Level
36
T1out
Transmitter T1 Output RS232 Level
38
ISOgnd
Isolation 0-Level
40
Vout
Isolation +5V Output,Output 30mA Load Current
Others
NC
Special requirement
Mechanical Data ( mm/inch )
Application
Product Select list
Model
Description
Isolate
Power
Half/ Full
RS232-RS485 half-duplex, rates up to 115.2Kbps
No
NO
Half
RS232-RS422 full-duplex, rates up to 115.2Kbps
No
No
Full
RS232-RS485 half-duplex, rates up to 115.2Kbps
No
+5VDC/ USB
Half
RS232-RS422 full-duplex, rates up to 115.2Kbps
No
+5VDC/ USB
Full
RS485-RS422 Converter, rates up to 115.2Kbps
No
+5VDC/ USB
Half/ Full
RS232-RS485 optically isolate converter,half duplex,rates up to 115.2Kbps,surge & lighting & ESD
Isolate
+5VDC
Half
RS232-RS422 optically isolate converter,full duplex,rates up to 115.2Kbps,surge & lighting & ESD
Isolate
+5VDC
Full
RS232-RS485 optically isolate converter,full duplex,rates up to 115.2Kbps,surge & lighting & ESD
Isolate
+5VDC/ USB
Half
RS232-RS422 optically isolate converter,half duplex,rates up to 115.2Kbps,surge & lighting & ESD
Isolate
+5VDC/ USB
Full
RS232-RS485/422 optically isolate converter,half/full duplex,rates up to 115.2Kbps,surge & lighting & ESD
Isolate
+5VDC
Half/ Full
RS232-RS485/422 optically isolate converter,half/full duplex,rates up to 115.2Kbps,surge & lighting & ESD
Isolate
+5VDC/ USB
Half/ Full
RS485-RS485 optically isolate converter,half duplex,rates up to 115.2Kbps
Isolate
+5VDC
Half
RS422-RS422 optically isolate converter,full duplex,rates up to 115.2Kbps
Isolate
+5VDC
Full
RS232-RS232 optical isolate rates up to 115.5Kbps,TXD,RXD,GND
Isolate
No
Full
RS232-RS232 optical isolate rates up to 115.5Kbps,TXD,RXD,GND
Isolate
+5VDC/ USB
Full
TTL-RS232 isolate converter & TTL-RS422 converter rates up to 19.2Kbps,DIP40
Isolate
+5VDC
-
TTL-RS232 isolate converter & TTL-RS485 converter rates up to 19.2Kbps,DIP40
Isolate
+5VDC
-
TTL-RS485 isolate converter,compile with MAX1480A/B,DIP28
Isolate
+5VDC
-
* For special requirements please contact us:  0086-13802693453     15917-232-485