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參數(shù)資料
| 型號： | SP3490CN |
| 英文描述： | +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate |
| 中文描述： | 3.3V低功耗全雙工RS - 485接口和10Mbps的數(shù)據(jù)速率收發(fā)器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 124K |
| 代理商： | SP3490CN |
3
Rev. 10/11/02
SP3490/3491 Low Power Full-Duplex RS485 Transceivers
Copyright 2002 Sipex Corporation
SPECIFICATIONS (continued)
T
AMB = TMIN to TMAX and VCC = 3.3V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
SP3490 RECEIVER
AC Characteristics
Maximum Data Rate
10
Mbps
Receiver Input to Output, t
PLH
40
70
120
ns
Figures 6 and 11
85
ns
T
AMB = 25
oC, V
CC = 3.3V, Figures 6 and 11
Receiver Input to Output, t
PHL
40
70
120
ns
Figures 6 and 11
85
ns
T
AMB = 25
oC, V
CC = 3.3V, Figures 6 and 11
Differential Receiver Skew
4
ns
t
PHL(A) - tPLH(A) , tPHL(B) - tPLH(B) ,
Figures 6 and 11
POWER REQUIREMENTS
Supply Voltage
+3.0
+3.6
Volts
Supply Current
1000
2000
A
DE = V
CC
800
1500
DE = 0
Figure 4. Driver Enable and Disable Timing Circuit,
Output HIGH
Figure 5. Driver Enable and Disable Timing Circuit,
Output LOW
Figure 1. Driver DC Test Load Circuit
Figure 2. Driver Propagation Delay Test Circuit
GENERATOR
(NOTE 1)
50
VCC
S1
VDM
RL = 27
OUT
CL = 15pF
(NOTE 2)
VOM =
1.5V
VOH + VOL
2
D
GENERATOR
(NOTE 1)
50
S1
RL = 110
OUT
CL = 50pF
(NOTE 2)
VOM =
1.5V
VOH + VOL
2
D
GENERATOR
(NOTE 1)
50
S1
RL = 110
OUT
CL = 50pF
(NOTE 2)
D
0V OR 3V
VCC
R
VOC
D
VCC
VOD
Figure 6. Receiver Propagation Delay Test Circuit
GENERATOR
(NOTE 1)
50
1.5V
0V
VID
R
OUT
CL = 15pF
(NOTE 2)
VOM = VCC
2
GENERATOR
(NOTE 1)
50
CL
OUT
D
VCC
RL =
60
CL = 15pF (NOTE 2)
Figure 3. Driver Differential Output Delay and
Transition Time Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3490CN/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3490CN-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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP3490CN-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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP3490CP | 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 |
| SP3490EN | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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