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參數(shù)資料
| 型號： | SP3490EN-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 FULL DUPLEX 8NSOIC |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS485 |
| 電源電壓： | 3.3V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 管件 |
| 其它名稱： | 1016-1147-5 |
4
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3490_349_02_0270
ELECTRICAL CHARACTERISTICS
T
AMB = TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP3491 DRIVER
DC Characteristics
Differential Output Voltage
GND
Vcc
Volts
Unloaded; R = ∞ ; Figure 1
Differential Output Voltage
2
Vcc
Volts
With Load; R = 50 (RS-422);
Figure
Differential Output Voltage
.5
Vcc
Volts
With Load; R = 27 (RS-485);
Figure
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary states
0.2
Volts
R = 27 or R = 50; Figure 1
Driver Common Mode Output
Voltage
3
Volts
R = 27 or R = 50; Figure 1
Input High Voltage
2.0
Volts
Applies to DE, D, REB
Input Low Voltage
0.8
Volts
Applies to DE, D, REB
Input Current
+/-0
A
Applies to DE, D, REB
Driver Short Circuit Current
V
OUT = HIGH
+/-250
mA
-7V ≤ V
O ≤ +12V; Figure 8
V
OUT = LOW
+/-250
mA
-7V ≤ V
O ≤ +12V; Figure 8
SP3491 DRIVER
AC Characteristics
Max. Transmission Rate
0
Mbps
Driver Input to Output, t
PLH
20
40
60
ns
Figures 2 & 9
Driver Input to Output, t
PHL
20
40
60
ns
Figures 2 & 9
Differential Driver Skew
2
ns
|t
PHL(Y)- tPLH(Y)|, |tPHL(Z)- tPLH(Z)|,
Figures 2 and 9
Driver Rise or Fall Time
5
20
ns
From 0%-90%; Figures 3 and 0
Driver Enable to Output HIGH
52
20
ns
Figures 4 and
Driver Enable to Output LOW
60
20
ns
Figures 5 and
Driver Disable from LOW
40
20
ns
Figures 5 and
Driver Disable from HIGH
60
20
ns
Figures 4 and
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3490EN-L | 制造商:Exar Corporation 功能描述:IC RS485 TRANSCEIVER 10MBPS 3.6V NSOIC8 |
| SP3490EN-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 |
| SP3490EN-LSP3490EN-L/TR | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate |
| SP3490EN-L-TR | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate |
| SP3490EP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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