參數(shù)資料
型號: ADM3491AR-REEL
廠商: ANALOG DEVICES INC
元件分類: 通用總線功能
英文描述: 3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers
中文描述: LINE TRANSCEIVER, PDSO14
封裝: MS-012AB, SOIC-14
文件頁數(shù): 10/20頁
文件大小: 315K
代理商: ADM3491AR-REEL
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. B | Page 10 of 20
D
OUT
C
L
= 50pF
2
GENERATOR
1
50
S1
0V OR 3V
V
CC
R
L
= 110
0
1
PPR = 250kHz, 50% DUTY CYCLE,
t
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 13. Driver Enable and Disable Times (t
PZL
, t
PSL
, t
PLZ
)
0
GENERATOR
1
50
C
L
= 15pF
2
R
1.5V
0
V
OM
=
V
CC
2
OUT
V
ID
1
PPR = 250kHz, 50% DUTY CYCLE,
t
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 14. Receiver Propagation Delays
R
GENERATOR
1
50
C
L2
S3
S1
S2
V
CC
+1.5V
–1.5V
V
ID
1k
0
1
PPR = 250kHz, 50% DUTY CYCLE,
t
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
Figure 15. Receiver Enable and Disable Times
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