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參數(shù)資料
| 型號： | SP483EEP |
| 英文描述： | Enhanced Low EMI Half-Duplex RS-485 Transceiver |
| 中文描述： | 增強型低EMI半雙工RS - 485收發(fā)器 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 100K |
| 代理商： | SP483EEP |
SP483EDS/05
SP483E Low EMI Half-Duplex RS485 Transceiver
4
Copyright 2000 Sipex Corporation
PIN FUNCTION
Pin 1 – RO – Receiver Output.
Pin 2 – RE – Receiver Output Enable Active LOW.
Pin 3 – DE – Driver Output Enable Active HIGH.
Pin 4 – DI – Driver Input.
Pin 5 – GND – Ground Connection.
Pin 6 – A – Driver Output/Receiver Input
Non-inverting.
Pin 7 – B – Driver Output/Receiver Input Inverting.
Pin 8 – Vcc – Positive Supply 4.75V<Vcc< 5.25V.
SP483E
Pinout (Top View)
RO 1
RE 2
DE 3
DI 4
8 V
CC
7 B
6 A
5 GND
D
R
SP485
Top View
Figure 5. Driver Propagation Delays
A
V
OD
V
OC
B
R
R
Figure 1. RS-485 Driver DC Test Load Circuit
Figure 2. Receiver Timing Test Load Circuit
Figure 3. RS-485 Driver/Receiver Timing Test Circuit
Figure 4. RS-485 Driver Timing Test Load #2 Circuit
C
RL
1k
S
2
S
1
V
CC
1k
Test Point
Receiver
Output
B
A
DI
B
A
C
L1
C
L2
R
DIFF
RO
15pF
S
2
S
1
V
CC
C
L
500
Output
Under
Test
+3V
0V
DI
B
A
DRIVER
OUTPUT
V
O
V
O
DIFFERENTIAL
OUTPUT
V
A
+
– V
B
0V
1.5V
1.5V
t
PLH
–
t
R
t
F
f = 100kHz; t
R
< 10ns; t
F
< 10ns
V
O
1/2V
O
1/2V
O
t
PHL
t
DPLH
t
DPHL
t
SKEW =
|
t
DPLH -
t
DPHL
|
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP483 | Low Power Half-Duplex RS-485 Transceivers |
| SP483CN | Low Power Half-Duplex RS-485 Transceivers |
| SP483CS | Low Power Half-Duplex RS-485 Transceivers |
| SP483EN | Low Power Half-Duplex RS-485 Transceivers |
| SP483ES | Low Power Half-Duplex RS-485 Transceivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP483EEP-L | 功能描述:RS-485接口IC Low Pwr Half-Duplex RS-485 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 |
| SP483EN | 制造商:Exar Corporation 功能描述: |
| SP483EN/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP483EN-L | 功能描述:RS-485接口IC RS485 250 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 |
| SP483EN-L | 制造商:Exar Corporation 功能描述:IC RS-485 TRANSCEIVER 5.25V NSOIC-8 |
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