參數(shù)資料
型號: SP481R
英文描述: High-Fanout Half-Duplex RS-485 Transceiver(高扇出,半雙工RS-485/RS-422收發(fā)器)
中文描述: 高扇出半雙工RS - 485收發(fā)器(高扇出,半雙工的RS-485/RS-422收發(fā)器)
文件頁數(shù): 3/9頁
文件大?。?/td> 83K
代理商: SP481R
SP485RDS/08
SP485R RS-485 Serial Transceiver
3
Copyright 2000 Sipex Corporation
+1.0mA
–0.6mA
+12V
+6V
–3V
–7V
1 Unit Load
Maximum Input Current
versus Voltage
RS-485 RECEIVER
RECEIVER INPUT GRAPH
SPECIFICATIONS
Typically 25
°
C @ Vcc = +5V unless otherwise noted.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
AC Characteristics
Maximum Data Rate
Propagation Delay
t
PHL
t
Differential Receiver Skew
1
Mbps
See Figures 3 and 7
R
DIFF
=54
, C
L1
=C
L2
=100pF
R
DIFF
=54
, C
L1
=C
L2
=100pF
| t
PLH
– t
|; R
=54
,
C
L1
=C
L2
=100pF, see Figures 3 and 7
1200
1200
ns
ns
ns
60
SHUTDOWN TIMING (SP481R)
Time to Shutdown
RS-485 Driver
Enable Time
Enable to Low
Enable to High
Disable Time
Disable From Low
Disable From High
RS-485 Receiver
Enable Time
Enable to Low
Enable to High
Disable Time
Disable From Low
Disable From High
50
600
ns
RE = V
CC
, DE = 0V
See Figures 4 and 6
C
L
=15pF, S
1
Closed
C
=15pF, S
Closed
See Figures 4 and 6
C
L
=15pF, S
1
Closed
C
L
=15pF, S
2
Closed
40
40
500
500
ns
ns
40
40
500
500
ns
ns
See Figures 2 and 8
C
L
=15pF, S
1
Closed
C
=15pF, S
Closed
See Figures 2 and 8
C
L
=15pF, S
1
Closed
C
L
=15pF, S
2
Closed
40
40
500
500
ns
ns
40
40
500
500
ns
ns
POWER REQUIREMENTS
Supply Voltage V
CC
Supply Current I
CC
No Load
No Load
Supply Current in Shutdown
+4.75
+5.25
Volts
300
500
0.5
500
900
10
μ
A
μ
A
μ
A
RE = V
CC
or 0V, DE = 0V
RE = V
CC
or 0V, DE = V
CC
RE = V
CC
, DE = OV
ENVIRONMENTAL
Operating Temperature
Commercial (..C..)
Industrial (..E..)
Storage Temperature
0
+70
+85
°
C
°
C
°
C
–40
–65
相關(guān)PDF資料
PDF描述
SP483E Enhanced Low EMI Half-Duplex RS-485 Transceiver
SP483ECN Enhanced Low EMI Half-Duplex RS-485 Transceiver
SP483ECP Enhanced Low EMI Half-Duplex RS-485 Transceiver
SP483EEN Enhanced Low EMI Half-Duplex RS-485 Transceiver
SP483EEP Enhanced Low EMI Half-Duplex RS-485 Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP481RCN 制造商:Exar 功能描述:High-Fanout Half-Duplex RS-485 Transceiver 制造商:Other 功能描述:High-Fanout Half-Duplex RS-485 Transceiver
SP481RCN/TR 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1/10th Unit Load RS-485 Transceiver
SP481RCP 制造商:Exar 功能描述:High-Fanout Half-Duplex RS-485 Transceiver 制造商:Other 功能描述:High-Fanout Half-Duplex RS-485 Transceiver
SP481REN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1/10th Unit Load RS-485 Transceiver
SP481REN/TR 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1/10th Unit Load RS-485 Transceiver