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參數(shù)資料
| 型號： | SP485REP |
| 英文描述： | 1/10th Unit Load RS-485 Transceiver |
| 中文描述： | 十分之一機組負荷的RS - 485收發(fā)器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 74K |
| 代理商： | SP485REP |
Date: 6/21/04
SP485R RS-485 Serial Transceiver
3
Copyright 2004 Sipex Corporation
RECEIVER INPUT GRAPH
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
+150
°
C
°
C
°
C
–40
–65
ELECTRICAL CHARACTERISTICS
-7V
-3V
+6V
+12V
-60
μ
A
+100
μ
A
1/10 Unit Load
Maximum Input Current
versus voltage.
(Shaded region)
SP485R Reciever
-7V
-3V
+6V
+12V
-0.6 mA
+1.0mA
1 Unit Load
Maximum Input Current
versus voltage.
(Shaded region)
Standard SP485R Reciever
相關PDF資料 |
PDF描述 |
|---|---|
| SP481RCN | High-Fanout RS-485 Transceiver |
| SP481RCP | High-Fanout RS-485 Transceiver |
| SP481REN | 1/10th Unit Load RS-485 Transceiver |
| SP481REP | 1/10th Unit Load RS-485 Transceiver |
| SP485 | Low Power Half-Duplex RS-485 Transceivers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP485REP-L | 功能描述:RS-485接口IC High-Fanout RS-485 RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP485REP-L | 制造商:Exar Corporation 功能描述:TRANSEIVER RD-484 1/10 UNIT LOAD |
| SP486 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Quad RS-485/RS-422 Line Drivers |
| SP486CS | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Quad RS-485/RS-422 Line Drivers |
| SP486CT | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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