参数资料
| 型号： | SP483EEP-L |
| 厂商： | Exar Corporation |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 HALF DUPLEX 8PDIP |
| 标准包装： | 50 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 5V |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP483E_00_02092
PIN FUNCTION
TEST CIRCUITS
A
B
R
VOD
VOC
Figure 1. RS-485 Driver DC Test Load Circuit
C
L1
15pF
RO
A
B
A
B
DI
C
L2
R
DIFF
Figure 3. RS-485 Driver/Receiver Timing Test
500
CL
Output
Under
Test
S1
S2
VCC
Figure 4. Driver Timing Test Load #2 Circuit
Figure 2. Receiver Timing Test Load Circuit
1k
CRL
Receiver
Output
S1
S2
Test Point
VCC
Pin - 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
Figure 5. Driver Propagation Delays
+3V
0V
DRIVER INPUT
A
B
DRIVER
OUTPUT
VO+
DIFFERENTIAL
OUTPUT
VA –VB
0V
VO–
1.5V
tPLH
tF
tR
tR ≤10ns; tF ≤10ns
VO 1/2VO
1/2VO
tPHL
t SKEW = |t DPLH- tDPHL|
tDPLH
tDPHL
f = 100kHz;
相关PDF资料 |
PDF描述 |
|---|---|
| SP483ES-L | IC TXRX RS485 HALF DUPLEX 8PDIP |
| SP485REN-L/TR | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| SP487ES-L | IC DVR RS485/RS422 QUAD 16PDIP |
| SP488ET-L/TR | IC RCVR RS485/RS422 QUAD 16SOIC |
| SP491ECN-L | IC TXRX RS485 FULL DUPLX 14NSOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| SP483EN-L | 制造商:Exar Corporation 功能描述:IC RS-485 TRANSCEIVER 5.25V NSOIC-8 |
| SP483EN-L/TR | 功能描述:RS-485接口IC Low Pwr Half-Duplex RS-485 RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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