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参数资料
| 型号： | ADM383 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | 5 V Low Power, Slew-Rate Limited RS-485/RS-422 Transceiver |
| 中文描述： | 5 V低功耗，摆率限制RS-485/RS-422收发器 |
| 文件页数： | 4/16页 |
| 文件大小： | 209K |
| 代理商： | ADM383 |
ADM483
TIMING SPECIFICATIONS
V
CC
= 5 V ± 5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter
DRIVER
Maximum Data Rate
Propagation Delay t
PLH
, t
PHL
Skew t
SKEW
Rise/Fall Time t
R
, t
F
Enable Time
Disable Time
Enable Time from Shutdown
RECEIVER
Propagation Delay t
PLH
, t
PHL
Differential Skew t
SKEW
Enable Time
Disable Time
Enable Time from Shutdown
Time to Shutdown
1
Rev. 0 | Page 4 of 16
Min
250
250
200
125
125
250
50
Typ
800
100
100
20
20
330
Max
2000
800
2000
2000
3000
5000
2000
50
50
5000
3000
Unit
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions/Comments
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 5
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 5
R
LDIFF
= 54 , C
L1
= C
L2
= 100 pF, Figure 5
R
L
= 500 , C
L
= 100 pF, Figure 6
R
L
= 500 , C
L
= 15 pF, Figure 6
R
L
= 500 , C
L
= 100 pF, Figure 6
C
L
= 15 pF, Figure 7
C
L
= 15 pF, Figure 7
R
L
= 1 k, C
L
= 15 pF, Figure 8
R
L
= 1 k, C
L
= 15 pF, Figure 8
R
L
= 1 k, C
L
= 15 pF, Figure 8
1
The device is put into shutdown mode by driving RE high and DE low. If these inputs are in this state for less than 50 ns, the device is guaranteed not to enter
shutdown mode. If the enable inputs are in this state for at least 3000 ns, the device is guaranteed to have entered shutdown mode.
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