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參數(shù)資料
| 型號(hào)： | SP490ES |
| 元件分類(lèi)： | RS-485 |
| 英文描述： | Full Duplex RS-485 Transceivers |
| 中文描述： | 全雙工RS - 485接口收發(fā)器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 83K |
| 代理商： | SP490ES |
3
Date: 05/10/04
SP490/491 Full Duplex RS-485 Transceivers
Copyright 2004 Sipex Corporation
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETERS
SP490 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
MIN.
TYP.
MAX.
UNITS
CONDITIONS
5
Mbps
ns
90
150
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 & 8
=
100pF;
Figures 3 & 8
Receiver Input to Output
90
150
ns
=
100pF;
Figures 3 & 8
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 (_S_)
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
ELECTRICAL CHARACTERISTICS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP491 | Full Duplex RS-485 Transceivers |
| SP491CN | Full Duplex RS-485 Transceivers |
| SP491CS | Full Duplex RS-485 Transceivers |
| SP491EN | Full Duplex RS-485 Transceivers |
| SP491ES | Full Duplex RS-485 Transceivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP490ES-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 |
| SP491 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:Full Duplex RS-485 Transceivers |
| SP4916 | 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:2·5GHz /4512 PRESCALER |
| SP4916NA | 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:2·5GHz /4512 PRESCALER |
| SP4916NADP | 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:2·5GHz /4512 PRESCALER |
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