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參數(shù)資料
| 型號： | SP490EEP-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 FULL DUPLEX 8PDIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 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： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 其它名稱： | 1016-1183-5 |
6
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP490E,49E_0_05243
T
MINtoTMAXandVCC=5V±5%unlessotherwisenoted.
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
SP491ERECEIVER
DCCharacteristics
Differential Input Threshold
-0.2
+0.2
Volts
-7V ≤ V
CM ≤ 12V
Input Hysteresis
70
mV
V
CM = 0V
Output Voltage High
3.5
Volts
I
O = -4mA, VID = +200mV
Output Voltage Low
0.4
Volts
I
O = +4mA, VID = -200mV
Three State (high impedance)
Output Current
±1
A
0.4V ≤ V
O ≤ 2.4V; RE = 5V
Input Resistance
12
15
k
-7V ≤ V
CM ≤ 12V
Input Current (A, B); V
IN = 2V
±.0
mA
DE = 0V, V
CC = 0V or 5.25V, VIN = 2V
Input Current (A, B); V
IN = -7V
-0.8
mA
DE = 0V, V
CC = 0V or 5.25V, VIN = -7V
Short-Circuit Current
85
mA
0V ≤ V
O ≤ VCC
SP491ERECEIVER
ACCharacteristics
Maximum Data Rate
0
Mbps
RE = 0V
Receiver Input to Output
20
45
00
ns
t
PLH; RDIFF = 54,
C
L = CL2 = 00pF; Figures 3 & 7
Receiver Input to Output
20
45
00
ns
t
PHL; RDIFF = 54,
C
L = CL2
=
00pF; Figures 3 & 7
Diff. Receiver Skew It
PLH-tPHLI
3
ns
R
DIFF = 54; CL = CL2 = 00pF;
Figures 3 & 7
Receiver Enable to Output Low
45
70
ns
C
RL = 5pF; Figures 2 and 8; S closed
Receiver Enable to Output High
45
70
ns
C
RL = 5pF; Figures 2 and 8; S2 closed
Receiver Disable from Low
45
70
ns
C
RL = 5pF; Figures 2 and 8; S closed
Receiver Disable from High
45
70
ns
C
RL = 5pF; Figures 2 and 8; S2 closed
POWERREQUIREMENTS
Supply Voltage
+4.75
+5.25 Volts
Supply Current
900
A
RE, D = 0V or V
CC; DE = VCC
SP491EENVIRONMENTAL
ANDMECHANICAL
Operating Temperature
Commercial (_C_)
0
+70
°C
Industrial (_E_)
-40
+85
°C
Storage Temperature
-65
+50 °C
Package
Plastic DIP (_P)
NSOIC (_N)
Figure 8. Receiver Enable and Disable Times
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP490EEP-L | 制造商:Exar Corporation 功能描述:TRANSCEIVER, RS485, 10MBPS, 5V, DIP-8; Device Type:RS485 Transceiver; IC Interface Type:RS485; No. of Drivers:1; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Driver Case Style:DIP; No. of Pins:8; Operating Temperature Max:85C;RoHS Compliant: No |
| SP490EN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
| SP490EN/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Full Duplex RS-485 Transceivers |
| SP490EN-L | 功能描述:RS-485接口IC RS485 5000 kbps temp -40C to 85C 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 |
| SP490EN-L/TR | 功能描述:RS-485接口IC Full Duplex RS-485 s 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 |
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