參數(shù)資料
型號(hào)： SP3491
英文描述： 3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate(3.3V,低功耗，全雙工RS-485收發(fā)器（數(shù)據(jù)傳輸率10Mbps）)
中文描述： 3.3V低功耗全雙工RS - 485接口與高達(dá)10Mbps的數(shù)據(jù)速率（3.3，低功耗，全雙工RS - 485接口收發(fā)器（數(shù)據(jù)傳輸率高達(dá)10Mbps）收發(fā)器）
文件頁(yè)數(shù)： 6/11頁(yè)
文件大?。?/td> 141K
代理商： SP3491
SP3490/3491DS/23 SP3490/3491 Low Power Full-Duplex RS485 Transceivers Copyright 1997 Sipex Corporation
6
Receiver Disable from HIGH
POWER REQUIREMENTS
Supply Voltage
Supply Current
65
200
ns
Figures 7 and 12; S
2
closed, S
1
open
+3.0
+3.6
2000
1500
Volts
μ
A
μ
A
1000
800
REB, D = 0V or V
CC
; DE = V
CC
DE=0V
SPECIFICATIONS
(continued)
T
AMB
= T
MIN
to T
MAX
and V
CC
= +3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3491
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
SP3491
RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
PLH
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
= +2.5mA, V
ID
= -200mV
25
V
CC
-0.4
0.4
+1
μ
A
k
mA
mA
mA
0V < V
O
< V
; REB = V
CC
-7V < V
< 12V
DE = 0V, V
CC
= 0V or +3.6V, V
IN
= 12V
DE = 0V, V
CC
= 0V or +3.6V, V
IN
= -7V
0V < V
O
< V
CC
12
15
1.0
-0.8
60
10
40
Mbps
ns
ns
REB = 0V, DE = V
CC
Figures 6 & 11
T
= +25
o
C, V
CC
= +3.3V,
Figures 6 and 11
70
120
85
Receiver Input to Output, t
PHL
40
70
120
85
ns
ns
Figures 6 & 11
T
= +25
o
C, V
CC
= +3.3V,
Figures 6 and 11
Differential Receiver Skew
4
ns
t
(A) - t
(A) , t
PHL
(B) - t
PLH
(B) ,
Figures 6 & 11
Receiver Enable to Output LOW
Receiver Enable to Output HIGH
Receiver Disable from LOW
65
65
65
150
150
200
ns
ns
ns
Figures 7 and 12; S
1
closed, S
2
open
Figures 7 and 12; S
2
closed, S
1
open
Figures 7 and 12; S
1
closed, S
2
open
Figure 12. Receiver Enable and Disable Waveforms
3V
0V
t
PRLZ
1.5V
t
PRZL
t
PRSL
1.5V
1.5V
10%
V
CC
REB
OUTPUT
S1 is closed
S2 is open
S3 = -1.5V
V
OL
3V
0V
t
PRHZ
1.5V
t
PRZH
t
PRSH
1.5V
1.5V
10%
0V
V
OH
REB
OUTPUT
S1 is open
S2 is closed
S3 = 1.5V
相關(guān)PDF資料
PDF描述
SP3493 3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers(3.3V,低功耗，轉(zhuǎn)換速率限制，全雙工RS-485/RS-422收發(fā)器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3491CN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3491CN-L 功能描述:RS-485接口IC RS485 10000 kbp 3.3V 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
SP3491CN-L 制造商:Exar Corporation 功能描述:IC RS485 TRANSCEIVER 10MBPS 3.6V NSOIC14
SP3491CN-L/TR 功能描述:RS-485接口IC 3.3V LoPwr Full-Dup RS485w/10Mbps Data 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
SP3491CP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
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