參數(shù)資料
型號(hào)： SP491ECP
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(yè)數(shù)： 6/12頁(yè)
文件大?。?/td> 109K
代理商： SP491ECP
SP490EDS/14
SP490E Enhanced Full Duplex RS-485 Transceivers
Copyright 2000 Sipex Corporation
6
SPECIFICATIONS
(continued)
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETERS
SP491E
RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage HIGH
Output Voltage LOW
Three State (high impedance)
Output Current
Input Resistance
Input Current (A, B); V
IN
= 12V
Input Current (A, B); V
IN
= -7V
Short-Circuit Current
SP491E
RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
MIN.
TYP.
MAX.
UNITS
CONDITIONS
-0.2
+0.2
Volts
mV
Volts
Volts
-7V
≤
V
CM
≤
12V
V
CM
= 0V
I
O
ID
= +200mV
I
O
= +4mA, V
ID
= -200mV
70
3.5
0.4
±
1
μ
A
k
mA
mA
mA
0.4V
≤
V
O
≤
2.4V; REB = 5V
-7V
≤
V
≤
12V
DE = 0V, V
CC
= 0V or 5.25V, V
IN
= 12V
DE = 0V, V
CC
= 0V or 5.25V, V
IN
= -7V
0V
≤
V
O
≤
V
CC
12
15
±
1.0
-0.8
85
10
20
Mbps
ns
REB = 0V, DE = 5V
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
C
RL
= 15pF; Figures 2 and 8; S
1
closed
C
RL
= 15pF; Figures 2 and 8; S
2
closed
C
RL
= 15pF; Figures 2 and 8; S
1
closed
C
RL
= 15pF; Figures 2 and 8; S
2
closed
45
100
=
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
Receiver Enable to Output LOW
Receiver Enable to Output HIGH
Receiver Disable from LOW
Receiver Disable from HIGH
POWER REQUIREMENTS
Supply Voltage
Supply Current
SP491E ENVIRONMENTAL
AND MECHANICAL
Operating Temperature
Commercial (_C_)
Industrial (_E_)
Storage Temperature
Package
Plastic DIP (_P)
NSOIC (_N)
45
45
45
45
70
70
70
70
ns
ns
ns
ns
+4.75
+5.25
Volts
μ
A
900
REB, D = 0V or V
CC
; DE = V
CC
+3V
0V
RE
5V
R
0V
1.5V
1.5V
t
ZL
t
ZH
f = 1MHz; t
R
< 10ns; t
F
< 10ns
R
1.5V
1.5V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
V
IL
V
IH
Figure 8. Receiver Enable and Disable Times
0
+70
+85
+150
°
C
°
C
°
C
-40
-65
相關(guān)PDF資料
PDF描述
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）)
SP495 Quad Differential RS-485 Transceiver
SP495CT Quad Differential RS-485 Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
SP491EEN 制造商:Exar Corporation 功能描述:Line Transceiver, 1-Driver, 1-Receiver, 14 Pin, Plastic, SOP
SP491EEN-L 功能描述:RS-485接口IC RS485 10000 kbps 5V temp -40C to 85C 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
SP491EEN-L 制造商:Exar Corporation 功能描述:IC RS-485 TRANSCEIVER 5.25V NSOIC-14
SP491EEN-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
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