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參數(shù)資料
| 型號(hào)： | SP1481EEN-L/TR |
| 廠商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS485 DIFF ESD 8SOIC |
| 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： | RS422，RS485 |
| 電源電壓： | 4.25 V ~ 5.25 V |
| 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) |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP48E-485E_03_05243
4
pin FUnction
Pin1–RO–ReceiverOutput.
Pin2–RE–ReceiverOutputEnableActiveLOW.
Pin3–DE–DriverOutputEnableActiveHIGH.
Pin4–DI–DriverInput.
Pin5–GND–GroundConnection.
Pin6–A–DriverOutput/ReceiverInputNon-inverting.
Pin7–B–DriverOutput/ReceiverInputInverting.
Pin8–Vcc–PositiveSupply4.75V<Vcc<5.25V.
SP48E and SP485E
Pinout(TopView)
Figure5.DriverPropagationDelays
+3V
0V
DI
A
B
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA –VB
0V
VO–
1.5V
tPLH
tF
tR
f ≥1MHz; tR≤1ns; tF ≤1ns
VO 1/2VO
1/2VO
tPHL
Figure1.RS-485DriverDCTestLoadCircuit
Figure3.RS-485Driver/ReceiverTimingTestCircuit
C
L1
15pF
RO
A
B
A
B
DI
C
L2
R
DIFF
500
CL
Output
Under
Test
S1
S2
VCC
1k
CRL
Receiver
Output
S1
S2
Test Point
VCC
Figure2.ReceiverTimingTestLoadCircuit
Figure4.RS-485DriverTimingTestLoad#2Circuit
A
B
R
VOD
VOC
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| SP1481EEP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:【15kV Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1481EEP-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP1481EMN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:【15kV Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1485E | 制造商:EXAR 制造商全稱:EXAR 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1485ECN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers |
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