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| 型号： | SP3483EN-L |
| 厂商： | Exar Corporation |
| 文件页数： | 5/9页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| 标准包装： | 98 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS485 |
| 电源电压： | 3.3V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 管件 |
| 其它名称： | 1016-1143-5 |
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3483_00_0092
TEST CIRCUITS
R
V
OC
D
Vcc
V
OD
Figure . Driver DC Test Load Circuit
GENERATOR
(NOTE 1)
50
C
L
OUT
D
VCC
R
L =
60
CL= 15pF (NOTE 2)
Figure 3. Driver Differential Output Delay and
Transition Time Circuit.
GENERATOR
(NOTE 1)
50
S1
RL = 110
OUT
CL = 50pF
(NOTE 2)
VOM =
≈ 1.5V
VOH + VOL
2
D
Figure 4. Driver Enable and Disable Timing Circuit,
Output High
Figure 2. Driver Propagation Delay Test Circuit
GENERATOR
(NOTE 1)
50
VCC
S1
VDM
RL = 27
OUT
C L = 15pF
(NOTE 2)
VOM =
≈ 1.5V
VOH + VOL
2
D
Figure 5. Driver Enable and Disable Timing Circuit,
Output Low
GENERATOR
(NOTE 1)
50
S1
RL = 110
OUT
C L = 50pF
(NOTE 2)
D
0V OR 3V
VCC
GENERATOR
(NOTE 1)
50
1.5V
0V
VID
R
OUT
CL = 15pF
(NOTE 2)
VOM = VCC
2
Figure 6. Receiver Propagation Delay Test Circuit
1.5V
-1.5V
S3
VID
GENERATOR
(NOTE 1)
50
CL= 15pF
(NOTE 2)
R
1k
S1
S2
VCC
A/Y
D
DI = 0 or Vcc
B/Z
DE = 0 or Vcc
IOSD
100
-7V to +12V V
Figure 7. Receiver Enable and Disable Timing
Circuit
Figure 8. Driver Short Circuit Current Limit Test
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| SP3483CN-L | IC TXRX RS485 HALF DUPLEX 8NSOIC |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP3483EN-L/TR | 功能描述:RS-485接口IC 3.3V LoPwr Slew Rate Ltd.Half-Dplx RS485 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 |
| SP3483EP | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:+3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver |
| SP3483EP-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3485 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:+3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate |
| SP3485CN | 制造商:Exar Corporation 功能描述: 制造商:Exar Corporation 功能描述:Line Transceiver, 1-Driver, 1-Receiver, 8 Pin, Plastic, SOP |
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