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參數(shù)資料
型號: ADM3491ARU-1REEL7
廠商: Analog Devices Inc
文件頁數(shù): 5/20頁
文件大?。?/td> 0K
描述: IC TXRX RS-485 HS 3.3V 16TSSOP
標準包裝: 1
類型: 收發(fā)器
驅動器/接收器數(shù): 1/1
規(guī)程: RS422,RS485
電源電壓: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 16-TSSOP
包裝: 標準包裝
其它名稱: ADM3491ARU-1REEL7DKR
Data Sheet
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. E | Page 13 of 20
SWITCHING CHARACTERISTICS
IN
OUT
1.5V
+3V
0
≈ +2V
≈ –2V
tDD
tTD
50%
10%
90%
05
52
4-
006
Figure 26. Driver Differential Output Delay and Transition Times
3V
0V
VOH
VOL
VOH
VOL
VOM
IN
A/Y
OUT
B/Z
OUT
1.5V
tPLH
tPHL
tPLH
05
52
4-
00
7
Figure 27. Driver Propagation Delays
0
VOH
0
3V
1.5V
0.25V
IN
OUT
VOM
tPZH
tPHZ
05
52
4-
00
8
Figure 28. Driver Enable and Disable Times (tPZH, tPSH, tPHZ)
VOL
VCC
0
3V
0.25V
IN
OUT
1.5V
tPSL
tPLZ
VOM
05
52
4-
00
9
Figure 29. Driver Enable and Disable Times (tPZL, tPSL, tPLZ)
05
52
4-
0
10
3V
0
VCC
0
IN
OUT
VOM
1.5V
tRPHL
tRPLH
Figure 30. Receiver Propagation Delays
+3V
0
VOH
0
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 CLOSED
S2 OPEN
S3 = –1.5V
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 CLOSED
S2 OPEN
S3 = –1.5V
+3V
0
VCC
VOL
+3V
0
VCC
VOL
+3V
0
VOH
0
1.5V
IN
OUT
IN
OUT
IN
OUT
IN
OUT
tPRZL
tPRSL
tPRLZ
tPRHZ
+0.25V
1.5V
tPRZH
tPRSH
0
55
24
-0
11
Figure 31. Receiver Enable and Disable Times
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