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參數(shù)資料
| 型號(hào)： | SP3485EN-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)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： | 帶卷 (TR) |
| 其它名稱： | SP3485EN-L/TR-ND |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3485_00_0692
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
V
CC.....................................................................+6.0V
Input Voltages
Logic....................................-0.3V to +6.0V
Drivers.................................-0.3V to +6.0V
Receivers.........................................+/-5V
Output Voltages
Drivers.............................................+/-5V
Receivers............................-0.3V to +6.0V
Storage Temperature.......................-65C to +150C
Power Dissipation
8-pin NSOIC...................................................600mW
(derate 6.90mW/C above +70C)
ELECTRICAL CHARACTERISTICS
T
AMB = TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP3485 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, DI, RE
Input Low Voltage
0.8
Volts
Applies to DE, DI, RE
Input Current
+/-0
A
Applies to DE, DI, RE
Driver Short Circuit Current
V
OUT = HIGH
+/-250
mA
-7V ≤ V
O ≤ +12V; Figure 8
Driver Short Circuit Current
V
OUT = LOW
+/-250
mA
-7V ≤ V
O ≤ +12V; Figure 8
SP3485 DRIVER
AC Characteristics
Maximum Data Rate
0
Mbps
RE = V
CC, DE = VCC
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
0
ns
|t
DO- tDO2|, Figures 2 and 0
Driver Rise or Fall Time
5
20
ns
From 0%-90%; Figures 3 and 0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3485EP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate |
| SP3486 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486CP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486CT | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
| SP3486EP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers |
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