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LTC1481

更新时间： 2023-12-20 18:44:05
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
8页 159K
描述
具停机功能的超低功率 RS485 收发器

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中文翻译

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LTC1481 数据手册

 浏览型号LTC1481的Datasheet PDF文件第1页浏览型号LTC1481的Datasheet PDF文件第2页浏览型号LTC1481的Datasheet PDF文件第4页浏览型号LTC1481的Datasheet PDF文件第5页浏览型号LTC1481的Datasheet PDF文件第6页浏览型号LTC1481的Datasheet PDF文件第7页 
LTC1481  
U
The ● denotes the specifications which apply over the full operating  
SWITCHI G CHARACTERISTICS  
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3) unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
= 54Ω, C = C = 100pF,  
(Figures 3, 5)  
MIN  
10  
TYP  
30  
30  
5
MAX  
60  
UNITS  
ns  
t
t
t
Driver Input to Output  
R
DIFF  
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
PLH  
L1  
L2  
Driver Input to Output  
10  
60  
ns  
PHL  
Driver Output to Output  
Driver Rise or Fall Time  
Driver Enable to Output High  
Driver Enable to Output Low  
Driver Disable Time from Low  
Driver Disable Time from High  
Receiver Input to Output  
Receiver Input to Output  
10  
ns  
SKEW  
t , t  
3
15  
40  
40  
40  
40  
140  
140  
13  
20  
20  
20  
20  
40  
ns  
r
f
t
t
t
t
t
t
t
t
t
t
t
f
t
t
t
t
t
C = 100pF (Figures 4, 6), S2 Closed  
L
70  
ns  
ZH  
ZL  
LZ  
HZ  
C = 100pF (Figures 4, 6), S1 Closed  
L
70  
ns  
C = 15pF (Figures 4, 6), S1 Closed  
L
70  
ns  
C = 15pF (Figures 4, 6), S2 Closed  
L
70  
ns  
R
DIFF  
= 54Ω, C = C = 100pF,  
30  
30  
200  
200  
ns  
PLH  
L1  
L2  
(Figures 3, 7)  
ns  
PHL  
t
– t Differential Receiver Skew  
PHL  
ns  
SKD  
PLH  
Receiver Enable to Output Low  
C
C
C
C
= 15pF (Figures 2, 8), S1 Closed  
= 15pF (Figures 2, 8), S2 Closed  
= 15pF (Figures 2, 8), S1 Closed  
= 15pF (Figures 2, 8), S2 Closed  
50  
50  
50  
50  
ns  
ZL  
RL  
RL  
RL  
RL  
Receiver Enable to Output High  
Receiver Disable from Low  
ns  
ZH  
ns  
LZ  
Receiver Disable from High  
ns  
HZ  
Maximum Data Rate  
2.5  
50  
Mbits/s  
ns  
MAX  
Time to Shutdown  
DE = 0, RE =  
C = 100pF (Figures 4, 6), S2 Closed  
200  
40  
600  
100  
SHDN  
ZH(SHDN)  
ZL(SHDN)  
ZH(SHDN)  
ZL(SHDN)  
Driver Enable from Shutdown to Output High  
Driver Enable from Shutdown to Output Low  
Receiver Enable from Shutdown to Output High  
Receiver Enable from Shutdown to Output Low  
ns  
L
C = 100pF (Figures 4, 6), S1 Closed  
L
40  
100  
ns  
C = 15pF (Figures 2, 8), S2 Closed  
L
3500  
3500  
ns  
C = 15pF (Figures 2, 8), S1 Closed  
L
ns  
Note 1: Absolute Maximum Ratings are those values beyond which the life  
of the device may be impaired.  
Note 3: All typicals are given for V = 5V and T = 25°C.  
CC A  
Note 2: All currents into device pins are positive; all currents out of device  
pins are negative. All voltages are referenced to device ground unless  
otherwise specified.  
U W  
TYPICAL PERFOR A CE CHARACTERISTICS  
Driver Differential Output Voltage  
vs Output Current  
Driver Differential Output Voltage  
vs Temperature  
Driver Output Low Voltage  
vs Output Current  
2.5  
2.4  
2.3  
2.2  
2.1  
2.0  
1.9  
1.8  
1.7  
1.6  
1.5  
70  
60  
50  
40  
30  
20  
10  
0
70  
60  
50  
40  
30  
20  
10  
0
R
L
= 54Ω  
T
A
= 25°C  
T = 25°C  
A
–50  
0
25  
50  
75 100 125  
–25  
1
2
4
5
0
1
2
3
4
0
3
TEMPERATURE (°C)  
OUTPUT VOLTAGE (V)  
OUTPUT VOLTAGE (V)  
1481 G02  
1481 G01  
1481 G03  
1481fa  
3
12345678

中文翻译

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