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ADM3486EARZ-REEL7 参数 Datasheet PDF下载

ADM3486EARZ-REEL7图片预览
型号: ADM3486EARZ-REEL7
PDF下载: 下载PDF文件 查看货源
内容描述: 3.3 V , 【 15千伏ESD保护,半双工和全双工, RS - 485 / RS -422收发器 [3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers]
分类和应用:
文件页数/大小: 20 页 / 536 K
品牌: AD [ ANALOG DEVICES ]
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ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
V
CC
= 3.3 V, T
A
= 25°C.
Table 5. ADM3490E/ADM3491E
Parameter
MAXIMUM DATA RATE
DIFFERENTIAL OUTPUT DELAY
DIFFERENTIAL OUTPUT TRANSITION TIME
PROPAGATION DELAY
From Low to High Level
From High to Low Level
|t
PLH
− t
PHL
| PROPAGATION DELAY SKEW
ENABLE/DISABLE TIMING (ADM3491E ONLY)
Enable Time to Low Level
Enable Time to High Level
Disable Time from Low Level
Disable Time from High Level
Enable Time from Shutdown to Low Level
Enable Time from Shutdown to High Level
1
Symbol
t
DD
t
TD
t
PLH
t
PHL
t
PDS
t
PZL
t
PZH
t
PLZ
t
PHZ
t
PSL
t
PSH
Min
12
1
3
7
7
Typ
15
22
11
23
23
−1.4
42
42
35
35
650
650
Max
35
25
35
35
±8
90
90
80
80
900
900
Unit
Mbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/Comments
R
L
= 60 Ω (see Figure 10)
R
L
= 60 Ω (see Figure 10)
R
L
= 27 Ω (see Figure 11)
R
L
= 27 Ω (see Figure 11)
R
L
= 27 Ω (see Figure 11)
R
L
= 110 Ω (see Figure 13)
R
L
= 110 Ω (see Figure 12)
R
L
= 110 Ω (see Figure 13)
R
L
= 110 Ω (see Figure 12)
R
L
= 110 Ω (see Figure 13)
R
L
= 110 Ω (see Figure 12)
Measured on |t
PLH
(Y) − t
PHL
(Y)| and |t
PLH
(Z) − t
PHL
(Z)|.
RECEIVER TIMING SPECIFICATIONS
V
CC
= 3.3 V, T
A
= 25°C.
Table 6. ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Parameter
PROPAGATION DELAY
From Low to High Level
ADM3486E/ADM3490E/ADM3491E
ADM3483E/ADM3488E
From High to Low Level
ADM3486E/ADM3490E/ADM3491E
ADM3483E/ADM3488E
|t
RPLH
− t
RPHL
| PROPAGATION DELAY SKEW
ADM3486E/ADM3490E/ADM3491E
ADM3483E/ADM3488E
ENABLE/DISABLE TIMING (ADM3483E/ADM3486E/
ADM3491E ONLY)
Enable Time to Low Level
Enable Time to High Level
Disable Time from Low Level
Disable Time from High Level
Enable Time from Shutdown to Low Level
Enable Time from Shutdown to High Level
Time to Shutdown
1
Symbol
t
RPLH
Min
Typ
Max
Unit
Test Conditions/Comments
25
25
t
RPHL
25
25
t
RPDS
62
75
62
75
+6
+12
90
120
90
120
±10
±20
ns
ns
ns
ns
ns
ns
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14)
V
ID
= 0 V to 3.0 V, C
L
= 15 pF (see Figure 14)
t
RPZL
t
RPZH
t
RPLZ
t
RPHZ
t
RPSL
t
RPSH
t
SHDN
80
25
25
25
25
720
720
190
50
50
45
45
1400
1400
300
ns
ns
ns
ns
ns
ns
ns
C
L
= 15 pF (see Figure 15)
C
L
= 15 pF (see Figure 15)
C
L
= 15 pF (see Figure 15)
C
L
= 15 pF (see Figure 15)
C
L
= 15 pF (see Figure 15)
C
L
= 15 pF (see Figure 15)
The transceivers are put into shutdown mode by bringing the RE high and the DE low. If the inputs are in this state for less than 80 ns, the parts are guaranteed not to
enter shutdown. If the parts are in this state for 300 ns or more, the parts are guaranteed to enter shutdown.
Rev. A | Page 6 of 20