參數(shù)資料
型號(hào): SM65MLVD205AD
廠商: Texas Instruments, Inc.
英文描述: MULTIPOINT-LVDS LINE DRIVER AND RECEIVER
中文描述: 多點(diǎn)LVDS線路驅(qū)動(dòng)器和接收器
文件頁(yè)數(shù): 18/26頁(yè)
文件大?。?/td> 517K
代理商: SM65MLVD205AD
www.ti.com
APPLICATION INFORMATION
COMPARISON OF MLVD TO TIA/EIA-485
Receiver Input Threshold (Failsafe)
-100
-50
0
50
100
150
200
Type 1
Transition Regions
Type 2
Low
High
Low
High
-
VI
SN65MLVD200A, SN65MLVD202A
SN65MLVD204A, SN65MLVD205A
SLLS573–DECEMBER 2003
The MLVD standard defines a type 1 and type 2 receiver. Type 1 receivers include no provisions for failsafe and
have their differential input voltage thresholds near zero volts. Type 2 receivers have their differential input
voltage thresholds offset from zero volts to detect the absence of a voltage difference. The impact to receiver
output by the offset input can be seen in
Table 3
and
Figure 27
.
Table 3. Receiver Input Voltage Threshold Requirements
RECEIVER TYPE
Type 1
Type 2
OUTPUT LOW
–2.4 V
V
ID
-0.05 V
–2.4 V
V
ID
0.05 V
OUTPUT HIGH
0.05 V
V
ID
2.4 V
0.15 V
V
ID
2.4 V
Figure 27. Expanded Graph of Receiver Differential Input Voltage Showing Transition Region
18
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