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參數(shù)資料
| 型號(hào)： | ADM307EARZ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| 中文描述： | 3.3伏特，【15千伏ESD保護(hù)，半和全雙工，RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 10/20頁 |
| 文件大小： | 429K |
| 代理商： | ADM307EARZ |
ADM3070E/ADM3071E/ADM3072E/ADM3073E/ADM3074E/ADM3075E/ADM3076E/ADM3077E/ADM3078E
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
Y
Rev. A | Page 10 of 20
V
OC
R
L
/2
R
L
/2
Z
0
V
OD
Figure 7. Driver DC Test Load
DI
DE
Y
Z
3V
C
L
R
L
V
OD
0
Figure 8. Driver Timing Test Circuit
V
CC
DI
t
DPLH
t
DR
t
DSKEW
= |
t
DPLH
–
t
DPHL
|
t
DF
t
DPHL
0V
V
CC
/2
1/2V
O
1/2V
O
Z
Y
V
O
+V
O
0V
–V
O
V
DIFF
10%
90%
90%
10%
V
DIFF
= V (Y) – V (Z)
0
Figure 9. Driver Propagation Delays
OUT
S1
0V OR 3V
GENERATOR
R
L
500
50
DE
OUT
C
50pF
+
t
DZH
,
t
DZH(SHDN)
V
OM
= (0 + V
OH
)/2
t
DHZ
V
CC
/2
0.25V
V
CC
0V
V
OH
0V
D
0
Figure 10. Driver Enable and Disable Times (t
DHZ,
t
DZH
, t
DZH(SHDN)
)
OUT
S1
V
CC
0V OR 3V
GENERATOR
R
L
500
50
DE
OUT
C
50pF
+
t
DZL
,
t
DZL(SHDN)
V
OM
= (V
OL
+ V
CC
)/2
t
DLZ
V
CC
/2
0.25V
V
CC
V
CC
0V
V
OL
D
0
Figure 11. Driver Enable and Disable Times (t
DZL,
t
DLZ
, t
DZL(SHDN)
)
V
ID
ATE
B
R
RECEIVER
OUTPUT
A
0
Figure 12. Receiver Propagation Delay Test Circuit
NOTES
1. THE RISE TIME AND FALL TIME OF INPUT A AND INPUT B < 4ns.
A
B
RO
V
OL
V
OH
1.5V
+1V
–1V
t
RPHL
t
RPLH
0
Figure 13. Receiver Propagation Delays
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| ADM307EARZ-REEL7 | 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
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| ADM307EYRZ-REEL7 | 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM307EARZ-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| ADM307EYRZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| ADM307EYRZ-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers |
| ADM3082 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection |
| ADM3082AN | 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed (10Mbps), Fail-Safe, RS-485/RS-422 Transceivers with Slew-Rate-Limiting and 5kV ESD Protection |
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