參數(shù)資料
型號： ADM1345
廠商： Analog Devices, Inc.
英文描述： Single Supply V.35 Transceiver(單電源RS-422/RS-485收發(fā)器,可發(fā)送和接收差分時鐘和數(shù)據(jù)信號)
中文描述： 單電源.35收發(fā)器（單電源RS-422/RS-485收發(fā)器，可發(fā)送和接收差分時鐘和數(shù)據(jù)信號）
文件頁數(shù)： 5/10頁
文件大?。?/td> 338K
代理商： ADM1345
Preliminary Technical Information
Typical Performance Characteristics
ADM1345
REV. A
5
PULSE
GENERATOR
50
W
50
W
50
W
50
W
~
125
W
125
W
TX#
RX#
T#
R#
Y#
Z#
A#
B#
OE
V
OS
15pF
Figure 2. V.35 Transmitter/Receiver Test Circuit
RX#
R#
OE
1k
W
C
L
V
CC
Test Load for Receiver Enable to
Output Low, Disable from Output Low
RX#
R#
OE
1k
W
C
L
Test Load for Receiver Enable to Output
High, Disable from Output High
Figure 3. Receiver Test Loads for t
ZL
, t
ZH
3V
0V
1.5V
t
PLH
t
PHL
1.5V
50%
10%
t
r
90%
90%
50%
10%
t
f
1/2 V
O
+V
O
-V
O
Z
Y
TRANSMITTER
INPUT
Y-Z
V
O
f = 1MHz: t
r
￡
10ns: t
f
￡
10ns
V
DIFF
= V(Y) - V(Z)
t
SKEW
t
SKEW
Figure 4. V.35 Transmitter Propagation Delays
V
ID
-V
ID
1.5V
t
PLH
t
PHL
1.5V
V
OH
V
OL
RECEIVER
OUTPUT
f = 1MHz: t
r
￡
10ns: t
f
￡
10ns
B-A
0V
0V
Figure 5: V.35 Receiver Propagation Delays
3V
0V
1.5V
f = 1MHz: t
r
￡
10ns: t
f
￡
10ns
t
ZL
t
LZ
1.5V
1.5V
5V
V
OL
V
OH
RECEIVER
OUTPUT
OE
RECEIVER
OUTPUT
0V
1.5V
t
ZH
t
HZ
0.5V
0.5V
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
Figure 6. Receiver Enable and Disable Times
AWAITING DATA
Figure 7. Transmitter Output Waveforms
AWAITING DATA
Figure 8. Receiver Output Waveforms
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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ADM1385ARS-REEL 制造商:Analog Devices 功能描述:Dual Transmitter/Receiver RS-232 20-Pin SSOP T/R 制造商:Rochester Electronics LLC 功能描述:LOW POWER, 3V, RS-232 I.C. - Tape and Reel
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ADM1385ARSZ 功能描述:IC TXRX RS-232 HI-SP 3.3V 20SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2
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