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參數(shù)資料
| 型號： | SP485CN-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 4/11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)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS485 |
| 電源電壓： | 5V |
| 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： | SP485CN-L/TR-ND |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP483_485_0_0627
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.......................................................................+7V
Input Voltages
Logic.........................-0.3V to (Vcc + 0.5V)
Drivers......................-0.3V to (Vcc + 0.5V)
Receivers.........................................+/-5V
ELECTRICAL CHARACTERISTICS
T
MIN to TMAX and VCC = 5V +/-5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP483/SP485 DRIVER
DC Characteristics
Differential Output Voltage
Vcc
Volts
Unloaded; R = ∞ ; see figure 1
Differential Output Voltage
2
Vcc
Volts
With Load; R = 50 (RS-422);
see figure
Differential Output Voltage
.5
Vcc
Volts
With Load; R = 27 (RS-485);
see figure
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary states
0.2
Volts
R = 27 or R = 50; see figure 1
Driver Common Mode Output
Voltage
3
Volts
R = 27 or R = 50; see 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
Driver Short Circuit Current,
V
OUT = LOW
250
mA
-7V ≤ V
O ≤ +12V
SP485 DRIVER
AC Characteristics
Maximum Data Rate
5
Mbps
RE = 5V, DE = 5V
Driver Input to Output, t
PLH
30
60
ns
Figures 3 and 5, R
DIFF = 54,
C
L = CL2 = 00pF
Driver Input to Output, t
PHL
30
60
ns
Figures 3 and 5, R
DIFF = 54,
C
L = CL2 = 00pF
Driver Skew
5
0
ns
Figures 3 and 5,
t
SKEW = |tDPHL - tDPLH|
Driver Rise or Fall Time
5
40
ns
From 0%-90%; R
DIFF = 54
C
L = CL2 = 100pF; see figures 3
and 5
Output Voltages
Logic.........................-0.3V to (Vcc + 0.5V)
Drivers.............................................+/-5V
Receivers..................-0.3V to (Vcc + 0.5V)
Storage Temperature.......................-65C to +150C
Power Dissipation
8-pin NSOIC...................................................500mW
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP485CS | 制造商:Exar 功能描述:Single Transmitter/Receiver RS-485 8-Pin PDIP Bulk |
| SP485CS-L | 功能描述:RS-485接口IC RS485 5000 kbps 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 |
| SP485CS-L | 制造商:Exar Corporation 功能描述:IC TRANSEIVER RS-485 HALF DUPLEX |
| SP485E | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP485EC | 制造商:Exar Corporation 功能描述: |
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