参数资料
型号: SP503CM-L
厂商: Exar Corporation
文件页数: 12/28页
文件大小: 0K
描述: IC TXRX MULTIPROTOCOL 80LQFP
标准包装: 84
类型: 收发器
驱动器/接收器数: 7/7
规程: 多协议
电源电压: 5V
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
SP503_101_101508
SP503 Multiprotocol Transceiver
Copyright 2008 Exar Corporation
2
ELECTRICAL CHARACTERISTICS
T
MIN to TMAX @ Vcc = +5V ±5% unless otherwise noted.
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= 1.0mA
RS-485 DRIVER
TTL Input Levels
V
IL
0.8
Volts
V
IH
2.0
Volts
Outputs
HIGH Level Output
+6.0
Volts
LOW level Output
–0.3
Volts
Differential Output
±1.5
±5.0
Volts
R
L=54, CL=50pF
Balance
±0.2
Volts
|V
T| - |VT|
Open Circuit Voltage
±6.0
Volts
Output Current
28.0
mA
R
L=54
Short Circuit Current
±250
mA
Terminated in –7V to +12V
Transition Time
120
ns
Rise/fall time, 10%–90%
Maximum Transmission Rate
5
Mbps
R
L=54
Propagation Delay
t
PHL
200
ns
R
L=54
t
PLH
200
ns
R
L=54
RS-485 RECEIVER
TTL Output Levels
V
OL
0.4
Volts
V
OH
2.4
Volts
Input
HIGH Threshold
+0.2
+12.0
Volts
(a)-(b)
LOW Threshold
–7.0
–0.2
Volts
(a)-(b)
Common Mode Range
–7.0
+12.0
Volts
HIGH Input Current
Refer to graph
LOW Input Current
Refer to graph
Receiver Sensitivity
±0.2
Volts
Over –7V to +12V common
mode range
Input Impedance
12
k
Maximum Transmission Rate
5
Mbps
Propagation Delay
t
PHL
200
ns
t
PLH
200
ns
V.35 DRIVER
TTL Input Levels
V
IL
0.8
Volts
V
IH
2.0
Volts
Outputs
Differential Output
±0.44
±0.66
Volts
With termination network in
Figure 6; R
L=100
Output Impedance
50
150
With termination network in
Figure 6.
Short Circuit Impedance
135
150
165
With termination network
in Figure 6.
Transition Time
40
ns
Maximum Transmission Rate
5
Mbps
R
L=100
Propagation Delay
t
PHL
200
ns
R
L=100
t
PLH
200
ns
R
L=100
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