參數(shù)資料
型號： ADM3490EARZ
廠商： ANALOG DEVICES INC
元件分類： 通用總線功能
英文描述： 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
中文描述： LINE TRANSCEIVER, PDSO8
封裝： LEAD FREE, MS-012-A, SOIC-8
文件頁數(shù)： 10/20頁
文件大小： 503K
代理商： ADM3490EARZ
ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E
Rev. A | Page 10 of 20
V
OL
V
CC
0V
3V
0.25V
IN
OUT
1.5V
1.5V
t
PSL
t
PLZ
V
OM
D
OUT
C
L
= 50pF
2
GENERATOR
1
50
S1
0V OR 3V
V
CC
R
L
= 110
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
0
Figure 13. Driver Enable and Disable Times (t
PZL
, t
PSL
, t
PLZ
)
3V
0V
V
CC
0V
IN
OUT
V
OM
V
OM
1.5V
1.5V
t
RPHL
t
RPLH
GENERATOR
1
50
C
L
= 15pF
2
R
1.5V
0V
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.
0
Figure 14. Receiver Propagation Delays
+3V
0V
V
OH
0V
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 CLOSED
S2 OPEN
S3 = –1.5V
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 CLOSED
S2 OPEN
S3 = –1.5V
+3V
0V
V
CC
V
OL
+3V
0V
V
CC
V
OL
+3V
0V
V
OH
0V
+1.5V
+1.5V
+1.5V
IN
OUT
IN
OUT
IN
OUT
IN
OUT
t
RPZL
t
RPSL
t
RPLZ
t
RPHZ
+0.25V
+0.25V
+1.5V
+1.5V
+1.5V
t
RPZH
t
RPSH
R
GENERATOR
1
50
C
L2
S3
S1
S2
V
CC
+1.5V
–1.5V
V
ID
1k
1
PPR = 250kHz, 50% DUTY CYCLE,
t
≤
6.0ns, Z
= 50
.
2
C
L
INCLUDES PROBE AND STRAY CAPACITANCE.
0
Figure 15. Receiver Enable and Disable Times
相關(guān)PDF資料
PDF描述
ADM3490EARZ-REEL7 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3491E 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3491EARZ 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3491EARZ-REEL7 3.3 V, 【15 kV ESD-Protected, Half- and Full-Duplex, RS-485/RS-422 Transceivers
ADM3483 3.3 V Slew Rate Limited, Half- and Full-Duplex, RS-485/RS-422 Transceivers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM3490EARZ-REEL7 功能描述:IC TXRX RS485 3.3V FD 8-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:121 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
ADM3491 制造商:AD 制造商全稱:Analog Devices 功能描述:3.3 V, Full Duplex, 840 uA 20 Mbps, EIA RS-485 Transceiver
ADM3491AN 制造商:Analog Devices 功能描述:LINE TRANSMITTER/RCVR 1TR 1TX 1RX 14PDIP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:3V FULL DUPLEX RS 485 I.C. - Bulk
adm3491an-1 制造商:Analog Devices 功能描述:
ADM3491ANZ 制造商:Analog Devices 功能描述:LINE TRANSMITTER/RCVR 1TR 1TX 1RX 14PDIP - Rail/Tube
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