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ADM3491AR-REEL7 参数 Datasheet PDF下载

ADM3491AR-REEL7图片预览
型号: ADM3491AR-REEL7
PDF下载: 下载PDF文件 查看货源
内容描述: 3.3 V摆率限制,半双工和全双工, RS - 485 / RS -422收发器 [3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers]
分类和应用:
文件页数/大小: 20 页 / 460 K
品牌: ADI [ ADI ]
 浏览型号ADM3491AR-REEL7的Datasheet PDF文件第7页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第8页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第9页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第10页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第12页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第13页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第14页浏览型号ADM3491AR-REEL7的Datasheet PDF文件第15页  
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491  
SWITCHING CHARACTERISTICS  
+3V  
3V  
IN  
1.5V  
1.5V  
1.5V  
1.5V  
IN  
0
0
V
0
tDD  
tDD  
tPZH  
tPHZ  
+2V  
–2V  
90%  
90%  
OH  
0.25V  
50%  
10%  
50%  
10%  
OUT  
OUT  
V
OM  
tTD  
tTD  
Figure 16. Driver Differential Output Delay and Transition Times  
Figure 18. Driver Enable and Disable Times (tPZH, tPSH, tPHZ  
)
3V  
IN  
1.5V  
1.5V  
3V  
0V  
IN  
1.5V  
1.5V  
tPLH  
tPHL  
0
V
V
OH  
OL  
A/Y  
tPSL  
tPLZ  
V
V
V
V
OM  
OM  
OUT  
V
CC  
OL  
OUT  
V
OM  
tPHL  
tPLH  
0.25V  
V
V
V
OH  
OL  
B/Z  
OUT  
OM  
OM  
Figure 17. Driver Propagation Delays  
Figure 19. Driver Enable and Disable Times (tPZL, tPSL, tPLZ  
)
3V  
0
1.5V  
1.5V  
IN  
tRPLH  
tRPHL  
V
0
CC  
V
V
OM  
OUT  
OM  
Figure 20. Receiver Propagation Delays  
+3V  
+3V  
0
S1 OPEN  
S2 CLOSED  
S3 = +1.5V  
S1 CLOSED  
S2 OPEN  
S3 = –1.5V  
1.5V  
IN  
1.5V  
IN  
0
tPRZL  
tPRSL  
tPRZH  
tPRSH  
V
V
OH  
CC  
OUT  
OUT  
1.5V  
1.5V  
0
V
OL  
+3V  
0
+3V  
0
S1 OPEN  
S2 CLOSED  
S3 = +1.5V  
S1 CLOSED  
S2 OPEN  
S3 = –1.5V  
1.5V  
IN  
1.5V  
IN  
tPRHZ  
tPRLZ  
V
V
OH  
CC  
OL  
OUT  
+0.25V  
OUT  
+0.25V  
0
V
Figure 21. Receiver Enable and Disable Times  
Rev. B | Page 11 of 20