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參數(shù)資料
| 型號(hào)： | MAX3157EAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | High CMRR RS-485 Transceiver with 【50V Isolation |
| 中文描述： | LINE TRANSCEIVER, PDSO28 |
| 封裝： | 5.30 MM, 0.65 MM PITCH, SSOP-28 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 307K |
| 代理商： | MAX3157EAI |
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M
High CMRR RS-485 Transceiver
with ±50V Isolation
8
_______________________________________________________________________________________
DI
3V
0
Z
Y
V
O
0
-V
O
V
O
1.5V
t
DPLH
1/2 V
O
10%
t
DR
90%
90%
t
DPHL
1.5V
1/2 V
O
10%
t
DF
V
DIFF
= V (Y) - V (Z)
V
DIFF
t
DSKEW =
|
t
DPLH
- t
DPHL
|
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
Y, Z
V
OL
Y, Z
0
1.5V
1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
2.3V
2.3V
t
DZL(SHDN)
, t
DZL
t
DLZ
t
DZH(SHDN)
, t
DZH
t
DHZ
DE
Figure 5. Driver Propagation Delays
Figure 6. Driver Enable and Disable Times
V
OH
V
OL
A
B
1V
-1V
1.5V
1.5V
OUTPUT
INPUT
RO
t
RPLH
t
RPHL
t
RSKEW =
|
t
RPLH
- t
RPHL
|
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
V
CC
RO
RO
0
1.5V
1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
1.5V
1.5V
t
RZL(SHDN)
, t
RZL
t
RLZ
t
RZH(SHDN)
, t
RZH
t
RHZ
RE
Figure 7. Receiver Propagation Delays
Figure 8. Receiver Enable and Disable Times
R
B
RECEIVER
OUTPUT
ATE
A
V
ID
R
Figure 9. Receiver Propagation Delay Test Circuit
Test Circuits and Timing Diagrams (continued)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3157EAI+ | 功能描述:RS-422/RS-485 接口 IC High CMRR RS-485 Trxvr w/+-50V Iso RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX3157EAI+T | 功能描述:RS-485接口IC High CMRR RS-485 Trxvr w/+-50V Iso RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3157EAIT | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3157EAI-T | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX3157EPI | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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