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ADM3070EARZ-REEL7 数据手册 - ADI（亚德诺）
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ADI（亚德诺）
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接口芯片
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SOIC-14
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
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ADM3070EARZ-REEL7数据手册
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ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
Rev. E | Page 6 of 20
TIMING SPECIFICATIONS—ADM3073E/ADM3074E/ADM3075E
V
CC
= 3.3 V ± 10%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 4.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DRIVER
Maximum Data Rate 500 kbps
Propagation Delay, Low-to-High Level t
DPLH
180 800 ns C
L
= 50 pF, R
L
= 54 Ω (see Figure 8 and Figure 9)
Propagation Delay, High-to-Low Level t
DPHL
180 800 ns C
L
= 50 pF, R
L
= 54 Ω (see Figure 8 and Figure 9)
Rise Time/Fall Time t
DR
/t
DF
200 800 ns C
L
= 50 pF, R
L
= 54 Ω (see Figure 8 and Figure 9)
|t
DPLH
− t
DPHL
| Differential Driver Output Skew t
DSKEW
100 ns C
L
= 50 pF, R
L
= 54 Ω (see Figure 8 and Figure 9)
Enable to Output High t
DZH
2500 ns See Figure 10
Enable to Output Low t
DZL
2500 ns See Figure 11
Disable Time from Low t
DLZ
100 ns See Figure 11
Disable Time from High t
DHZ
100 ns See Figure 10
Enable Time from Shutdown to High t
DZH(SHDN)
4500 ns See Figure 10
Enable Time from Shutdown to Low t
DZL(SHDN)
4500 ns See Figure 11
RECEIVER
Maximum Data Rate 500 kbps
Propagation Delay, Low-to-High Level t
RPLH
200 ns C
L
= 15 pF (see Figure 12 and Figure 13)
Propagation Delay, High-to-Low Level t
RPHL
200 ns C
L
= 15 pF (see Figure 12 and Figure 13)
|t
RPLH
− t
RPHL
| Output Skew t
RSKEW
30 ns C
L
= 15 pF (see Figure 12 and Figure 13)
Enable to Output High t
RZH
50 ns See Figure 14
Enable to Output Low t
RZL
50 ns See Figure 14
Disable Time from Low t
RLZ
50 ns See Figure 14
Disable Time from High t
RHZ
50 ns See Figure 14
Enable Time from Shutdown to High t
RZH(SHDN)
4000 ns See Figure 14
Enable Time from Shutdown to Low t
RZL(SHDN)
4000 ns See Figure 14
TIME TO SHUTDOWN t
SHDN
50 200 600 ns
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