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參數(shù)資料
| 型號： | SP3485EN-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| 標準包裝： | 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： | 1016-1145-5 |
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3485_00_0692
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP3485 DRIVER AC Characteristics continued
Driver Enable to Output High
52
20
ns
Figures 4 and
Driver Enable to Output Low
60
20
ns
Figures 5 and
Driver Disable Time from Low
40
20
ns
Figures 5 and
Driver Disable Time from High
60
20
ns
Figures 4 and
SP3485 RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
+0.2
Volts
-7V ≤ V
CM ≤ +12V
Input Hysteresis
20
mV
V
CM = 0V
Output Voltage HIGH
Vcc-0.4
Volts
V
ID = +200mV, -.5mA
Output Voltage LOW
0.4
Volts
V
ID = -200mV, 2.5mA
Three-State (High Impedance)
Output Current
+/-
A
0V ≤ V
O ≤ VCC; RE = VCC
Input Resistance
2
5
k
-7V ≤ V
CM ≤ +12V
Input Current (A, B); V
IN = 2V
+.0
mA
DE = 0V, V
CC = 0V or 3.6V,
V
IN = 2V
Input Current (A, B); V
IN = -7V
-0.8
mA
DE = 0V, V
CC = 0V or 3.6V,
V
IN = -7V
Short Circuit Current
7
60
mA
0V ≤ V
CM ≤ VCC
SP3485 RECEIVER
AC Characteristics
Maximum Data Rate
0
Mbps RE = 0V, DE = 0V
Receiver Input to Output, t
PLH
40
70
00
ns
Figures 6 and 2
Receiver Input to Output, t
PLH
70
ns
T
AMB = +25°C, Vcc = 3.3V,
Figures 6 and 2
Receiver Input to Output, t
PHL
40
70
00
ns
Figures 6 and 2
Receiver Input to Output, t
PHL
70
ns
T
AMB = +25°C, Vcc = 3.3V,
Figures 6 and 2
Differential Receiver Skew
4
ns
t
RSKEW = |tRPHL- tRPLH|,
Figures 6 and 2
Receiver Enable to Output Low
35
60
ns
Figures 7 and 3,
S
closed, S2 open
Receiver Enable to Output High
35
60
ns
Figures 7 and 3,
S
2 closed, S open
Receiver Disable from Low
35
60
ns
Figures 7 and 3,
S
closed, S2 open
Receiver Disable from High
35
60
ns
Figures 7 and 3,
S
2 closed, S open
POWER REQUIREMENTS
Supply Current , No Load
000
2000
A
RE, DI = 0V or V
CC ; DE = VCC
Supply Current , No Load
800
500
A
RE = 0V, DI = 0V or V
CC, DE = 0V
ELECTRICAL CHARACTERISTICS
T
AMB = TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.
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參數(shù)描述 |
|---|---|
| SP3485EN-L/TR | 功能描述:RS-485接口IC 3.3V LoPwr Half-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 |
| 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 |
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