參數(shù)資料
型號(hào): ADM2486BRWZ
廠商: ANALOG DEVICES INC
元件分類: 通用總線功能
英文描述: High Speed, Half-Duplex iCoupler Isolated RS-485 Transceiver
中文描述: LINE TRANSCEIVER, PDSO16
封裝: LEAD FREE, MS013AA, SOIC-16
文件頁(yè)數(shù): 3/20頁(yè)
文件大?。?/td> 294K
代理商: ADM2486BRWZ
ADM2486
Rev. C | Page 11 of 20
SWITCHING CHARACTERISTICS
04604-011
tPAHL
tPBHL
tPALH
tPBLH
VDD1
0V
VO
B
A
VOH
A, B
VOL
0.5VDD1
tSKEW
tF
tR
10% POINT
90% POINT
1/2VO
tSKEW
tPWD = |tPALH – tPAHL|, |tPBLH – tPBHL|
Figure 12. Driver Propagation Delay, Rise/Fall Timing
04604-019
A– B
RxD
0V
1.5V
tPLH
tSKEW = |tPLH – tPHL|
tPHL
VOH
VOL
Figure 13. Receiver Propagation Delay
04604-021
tLZ
tZL
tHZ
tZH
VOH – 0.5V
VOH + 0.5V
A, B
RTS
0.7VDD1
0.3VDD1
0.5VDD1
2.3V
VOL
VOH
0V
Figure 14. Driver Enable/Disable Timing
04604-020
0.7VDD1
0.3VDD1
0.5VDD1
VOH
VOL
O/P LOW
O/P HIGH
tLZ
tZL
tHZ
tZH
VOH – 0.5V
VOL + 0.5V
1.5V
RxD
RE
0V
Figure 15. Receiver Enable/Disable Timing
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