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参数资料
| 型号： | SP483EN-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 7/11页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485 HALF DUPLEX 8NSOIC |
| 标准包装： | 2,500 |
| 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： | 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： | 带卷 (TR) |
| 其它名称： | SP483EN-L/TR-ND |
5
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP483_SP485_0_0627
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP483 DRIVER
AC Characteristics
Maximum Date Rate
250
kbps
Driver Input to Output, t
PLH
250
800
2000
ns
t
PLH; RDIFF = 54, CL = CL2 = 00pF,
see figures 3 and 5
Driver Input to Output, t
PHL
250
800
2000
ns
t
PHL; RDIFF = 54, CL = CL2 = 00pF,
see figures 3 and 5
Driver Skew
00
800
ns
see figures 3 and 5,
t
SKEW = |tDPHL - tDPLH|
Driver Rise or Fall Time
250
2000
ns
From 0%-90%; R
DIFF = 54
C
L = CL2 = 00pF; see Figures 3
and 5
Driver Enable to Output High
250
2000
ns
C
L = 100pF, see figures 4 and 6,
S
2 closed
Driver Enable to Output Low
250
2000
ns
C
L = 100pF, see figures 4 and 6,
S
closed
Driver Disable Time from High
300
3000
ns
C
L = 15pF, see figures 4 and 6,
S
2 closed
Driver Disable Time from Low
300
3000
ns
C
L = 15pF, see figures 4 and 6,
S
closed
SP483 RECEIVER
AC Characteristics
Maximum Data Rate
250
kbps
Receiver Input to Output
250
2000
ns
t
PLH, tPHL; Figures 3 and 7:
R
DIFF = 54, CL = CL2 = 00pF
Differential Receiver Skew
|t
PHL - tPLH|
00
ns
R
DIFF = 54, CL = CL2 = 00pF,
see Figures 3 and 7
Receiver Enable to Output Low
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
Closed
Receiver Enable to Output High
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
2 Closed
Receiver Disable from LOW
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
Closed
Receiver Disable from High
20
50
ns
C
RL = 5pF, Figures 2 and 8;
S
2 Closed
SP483
Shutdown Timing
Time to Shutdown
50
200
600
ns
RE = 5V, DE = 0V
Driver Enable from Shutdown
to Output High
2000
ns
C
L = 00pF; See Figures 4 and 6;
S
2 Closed
Driver Enable from Shutdown
to Output Low
2000
ns
C
L = 00pF; See Figures 4 and 6;
S
Closed
Receiver Enable from
Shutdown to Output High
2500
ns
C
L = 5pF; See Figures 4 and 6;
S
2 Closed
Receiver Enable from
Shutdown to Output Low
2500
ns
C
L = 5pF; See Figures 4 and 6;
S
Closed
T
MIN to TMAX and VCC = 5V +/-5% unless otherwise noted.
ELECTRICAL CHARACTERISTICS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP483ES | 制造商:n/a 功能描述:SP483ES |
| SP483ES-L | 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 |
| SP485 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Power Half-Duplex RS-485 Transceivers |
| SP485BN-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP485BN-L/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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