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參數(shù)資料
| 型號(hào)： | SP490CN-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 FULL 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： | 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： | SP490CN-L/TR-ND |
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP490,49_0_0627
ABSOLUTEMAXIMUMRATINGS
Thesearestressratingsonlyandfunctionaloperationofthedevice
attheseratingsoranyotherabovethoseindicatedintheoperation
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
InputVoltages
Logic.................................................-0.5Vto(V
CC+0.5V)
Drivers..............................................-0.5Vto(V
CC+0.5V)
Receivers................................................................±14V
OutputVoltages
Logic................................................-0.5Vto(V
CC+0.5V)
Drivers....................................................................±14V
Receivers.........................................-0.5Vto(V
CC+0.5V)
Storage Temperature.....................................................-65C to +150
Power Dissipation.................................................................1000mW
T
MIN to TMAX and VCC = 5V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
SP491DRIVER
DCCharacteristics
Differential Output Voltage
GND
V
CC
Volts
Unloaded; R = ∞ ; see figure 1
Differential Output Voltage
2
V
CC
Volts
With Load; R = 50; (RS422);
see figure 1
Differential Output Voltage
.5
V
CC
Volts
With Load; R = 27; (RS485); see
figure 1
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 D, REB, DE
Input Low Voltage
0.8
Volts
Applies to D, REB, DE
Input Current
±0
A
Applies to D, REB, DE
Driver Short-Circuit Current
V
OUT = HIGH
250
mA
-7V ≤ V
O ≤ 12V
V
OUT = LOW
250
mA
-7V ≤ V
O ≤ 12V
SP491DRIVER
ACCharacteristics
Maximum Data Rate
5
Mbps
REB = 5V, DE = 5V
Driver Input to Output
30
60
ns
t
PLH; RDIFF = 54, CL = CL2 = 00pF;
see figures 3 and 6
Driver Input to Output
30
60
ns
t
PHL; RDIFF = 54, CL = CL2 = 00pF;
see figures 3 and 6
Driver Skew
5
0
ns
see figures 3 and 6,
t
SKEW = | tDPLH - tDPHL |
Driver Rise or Fall Time
5
40
ns
From 0% to 90%; R
DIFF = 54,
C
L = CL2 = 00pF; see figures 3 and 6
Driver Enable to Output High
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 7; S
2 closed
Driver Enable to Output Low
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 7; S
closed
Driver Disable Time from Low
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 7; S
closed
Driver Disable Time from High
40
70
ns
C
L = CL2 = 00pF; see figures
4 and 7; S
2 closed
ELECTRICALCHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP490CS | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP490CS-L | 功能描述:RS-422/RS-485 接口 IC RS485 5000 kbps temp 0C to 70C RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| SP490E | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers |
| SP490ECN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers |
| SP490ECN/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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