參數(shù)資料
型號(hào): ADM488AR
廠商: ANALOG DEVICES INC
元件分類(lèi): 通用總線功能
英文描述: Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers
中文描述: LINE TRANSCEIVER, PDSO8
封裝: MS-012AA, SOIC-8
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 212K
代理商: ADM488AR
ADM488/ADM489
–6–
REV. 0
Swtching Characteristics
–VO
VO
1/2VO
0V
3V
1.5V
1.5V
T
PLH
T
SKEW
+VO
0V
90% POINT
10% POINT
90% POINT
10% POINT
T
PHL
B
A
T
SKEW
T
R
T
F
Figure 6. Driver Propagation Delay, Rise/Fall Timing
T
PLH
T
PHL
0V
0V
1.5V
1.5V
A–B
RO
V
OL
V
OH
Figure 7. Receiver Propagation Delay
T
ZH
1.5V
DE
1.5V
3V
0V
2.3V
T
HZ
V
OH
V
OH
– 0.5V
0V
A, B
V
OL
+ 0.5V
T
ZL
2.3V
T
LZ
V
OL
A, B
Figure 8. Driver Enable/Disable Timing
T
ZH
1.5V
1.5V
3V
0V
1.5V
T
HZ
V
OH
V
OH
– 0.5V
0V
R
V
OL
+ 0.5V
T
ZL
1.5V
T
LZ
V
OL
R
RE
O/P LOW
O/P HIGH
Figure 9. Receiver Enable/Disable Timing
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