参数资料
| 型号： | SP485REN-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/9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) |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP485R_00_072309
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
V
CC.......................................................................+7V
Storage Temperature.......................-65C to +150C
ELECTRICAL CHARACTERISTICS
Typically 25C @ V
CC = +5V unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
LOGIC INPUTS
V
IL
0.8
Volts
V
IH
2.0
Volts
LOGIC OUTPUTS
V
OL
0.4
Volts
I
OUT = -3.2mA
V
OH
2.4
Volts
I
OUT = .0mA
RS-485 DRIVER DC Characteristics
Open Circuit Voltage
6.0
Volts
Differential Output Voltage
.5
5.0
Volts
R
L = 54, CL = 50pF
Balance
+/-0.2
Volts
|V
T| - |VT|
Common-Mode Output
3.0
Volts
Output Current
28.0
mA
R
L = 54
Short Circuit Current
+/-250
mA
Terminated in -7V to +2V
RS-485 DRIVER AC Characteristics
Maximum Data Rate
5
Mbps
R
L = 54,
Output Transition Time
30
ns
Rise/fall time, 0% to 90%
Propagation Delay, t
PLH
60
00
ns
See Figures 4 & 6, R
DIFF = 54,
C
L = CL2 = 00pF
Propagation Delay, t
PHL
60
00
ns
See Figures 4 & 6, R
DIFF = 54,
C
L = CL2 = 00pF
Driver Output Skew
5
ns
see Figures 4 and 6,
t
SKEW = |tDPHL - tDPLH|
RS-485 RECEIVER DC Characteristics
Output Voltage Low, V
OL
0.4
Volts
Output Voltage High, V
OH
2.4
Volts
Tri-State Output Current
+/-
A
0.4V ≤ V
OUT ≤ 2.4V; RE = Vcc
Power Dissipation
8-pin NSOIC.................................................000mW
(
JA = 62C/W)
8-pin PDIP....................................................000mW
(
JA = 62C/W)
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相关代理商/技术参数 |
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| SP485REP | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1/10th Unit Load RS-485 Transceiver |
| SP485REP-L | 功能描述:RS-485接口IC High-Fanout 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 |
| SP485REP-L | 制造商:Exar Corporation 功能描述:TRANSEIVER RD-484 1/10 UNIT LOAD |
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