參數(shù)資料
型號(hào)： SP491E
英文描述： Enhanced Full Duplex RS-485 Transceivers
中文描述： 增強(qiáng)型全雙工RS - 485接口收發(fā)器
文件頁數(shù)： 3/12頁
文件大?。?/td> 109K
代理商： SP491E
3
SP490EDS/14
SP490E Enhanced Full Duplex RS-485 Transceivers
Copyright 2000 Sipex Corporation
SPECIFICATIONS
(continued)
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETERS
SP490E RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
MIN.
TYP.
MAX.
UNITS
CONDITIONS
10
20
Mbps
ns
45
100
t
PLH
; R
DIFF
= 54
,
C
L1
= C
L2
t
PHL
; R
DIFF
= 54
,
C
L1
= C
R
= 54
; C
L1
= C
L2
= 100pF;
Figures 3 & 7
=
100pF;
Figures 3 & 7
Receiver Input to Output
20
45
100
ns
=
100pF;
Figures 3 & 7
Diff. Receiver Skew It
PLH
-t
PHL
I
13
ns
POWER REQUIREMENTS
Supply Voltage
Supply Current
ENVIRONMENTAL AND
MECHANICAL
Operating Temperature
Commercial (_C_)
Industrial (_E_)
Storage Temperature
Package
Plastic DIP (_P)
NSOIC (_N)
+4.75
+5.25
Volts
μ
A
900
C
L1
15pF
RO
A
B
A
B
DI
DE
3V
C
L2
R
DIFF
500
C
L
Output
Under
Test
S
1
S
2
V
CC
Figure 3. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load #2 Circuit
A
B
R
R
V
OD
V
OC
1k
1k
C
RL
Receiver
Output
S
1
S
2
Test Point
V
CC
Figure 1. Driver DC Test Load Circuit
Figure 2. Receiver Timing Test Load Circuit
0
+70
+85
+150
°
C
°
C
°
C
-40
-65
相關(guān)PDF資料
PDF描述
SP491ECN Enhanced Full Duplex RS-485 Transceivers
SP491ECP Enhanced Full Duplex RS-485 Transceivers
SP491EEN Enhanced Full Duplex RS-485 Transceivers
SP491EEP Enhanced Full Duplex RS-485 Transceivers
SP490 Full Duplex RS-485 Transceivers(全雙工RS-485收發(fā)器（不帶收發(fā)使能）)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP491ECN 制造商:Exar 功能描述:Enhanced Full Duplex RS-485 Transceivers 制造商:Other 功能描述:Enhanced Full Duplex RS-485 Transceivers
SP491ECN-L 功能描述:RS-485接口IC RS485 10000 kbps 5V temp 0C to 70C 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SP491ECN-L/TR 功能描述:RS-485接口IC Full Duplex RS-485 s 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
SP491ECP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers
SP491ECP-L 功能描述:RS-485接口IC Full Duplex RS-485 s 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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