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參數(shù)資料
| 型號： | SP1490ECN |
| 元件分類： | 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 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 73K |
| 代理商： | SP1490ECN |
3
Date: 5/18/04
SP1490E/1491E Full Duplex RS-485 Transceivers
Copyright 2004 Sipex Corporation
SP1490E/1491E
RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Input Resistance
Input Current (A, B); V
IN
= 12V
Input Current (A, B); V
IN
= -7V
Short-Circuit Current
0.2
+0.2
Volts
mV
Volts
Volts
k
mA
mA
mA
-7V
≤
V
CM
≤
12V
V
CM
= 0V
I
O
ID
= +200mV
I
= +4mA, V
= -200mV
-7V
≤
V
≤
12V (1 unit load)
V
IN
= 12V
V
IN
= -7V
0V
≤
V
O
≤
V
CC
70
3.5
0.4
12
15
±
1.0
-0.8
85
PARAMETERS
SP1490E
/1491E
RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
MIN.
TYP.
MAX.
UNITS
CONDITIONS
20
20
Mbps
ns
45
50
t
PLH
; R
DIFF
= 54
,
C
L1
= C
L2
t
PHL
; R
DIFF
= 54
,
C
L1
= C
R
DIFF
= 54
; C
L1
= C
L2
= 100pF;
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
=
100pF;
Figures 3 & 8
Receiver Input to Output
20
45
50
ns
=
100pF;
Figures 3 & 8
Diff. Receiver Skew It
PLH
-t
PHL
I
Receiver Tplh/Tphl
5
40
10
70
ns
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
0
+70
+85
+150
°
C
°
C
°
C
-40
-65
SPECIFICATIONS
(continued)
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
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PDF描述 |
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| SP1490ECP | Full Duplex RS-485 Transceivers |
| SP1490EEN | Full Duplex RS-485 Transceivers |
| SP1490EEP | Full Duplex RS-485 Transceivers |
| SP1491E | Full Duplex RS-485 Transceivers |
| SP1491ECN | Full Duplex RS-485 Transceivers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP1490ECN/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
| SP1490ECN-L | 功能描述:RS-485接口IC RS485 no shutdown 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP1490ECN-L/TR | 功能描述:RS-485接口IC 20MBPS FULL-DUPLEX RS485 W/+/-15KV ESD 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 |
| SP1490ECNTR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
| SP1490ECP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
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