參數(shù)資料
型號: MAX3291ESD
廠商: Maxim Integrated Products
文件頁數(shù): 15/16頁
文件大?。?/td> 0K
描述: IC TXRX RS485/422 5-10MBPS14SOIC
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 50
類型: 收發(fā)器
驅動器/接收器數(shù): 1/1
規(guī)程: RS422,RS485
電源電壓: 4.75 V ~ 5.25 V
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 14-SOIC
包裝: 管件
MAX3291/MAX3292
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
8
_______________________________________________________________________________________
DI
DE
D
5V
Y
Z
CL1
CL2
RDIFF
VODP
RE
RO
DE = LOW
t > tSHDN
t < tSHDN
tRZH(SHDN)
Figure 3. Driver Timing Test Circuit
Figure 4. Shutdown Timing Diagram
DI
5V
0
ZN
YP
ZP
YN
ZN
ZP
YP
YN
0 DIFFERENTIAL
1.5V
tDPLH
20%
80%
tDPHL
1.5V
20%
tHL
tLH
VDIFF = VY - VZ
VDIFF
tSKEW = | tPLH - tPHL |
| YN - ZN | = VOD
| YP - ZP | = VODP
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
5V
0
Y, Z
0
1.5V
VPH
VPL
VOL* + 0.5V
VOH* - 0.5V
2.3V
*NOTE: VOH AND VOL ARE THE OUTPUT LEVELS IN FIGURE 2 WITH
S2 AND S1 CLOSED, RESPECTIVELY.
2.3V
tDZL(SHDN), tDZL
tDLZ
tDZH(SHDN), tDZH
tDHZ
DE
Figure 5. Driver Propagation Delays
Figure 6. Driver Enable and Disable Times
RO
VOH
VOL
A +1V
B -1V
0 DIFFERENTIAL
1.5V
tRPHL
tRPLH
1.5V
tRSKEW = | tRPLH - tRPHL |
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
VCC
RO
0
1.5V
VOL + 0.5V
VOH - 0.5V
1.5V
tRZL(SHDN), tRZL
tRLZ
tRZH(SHDN), tRZH
tRHZ
RE
Figure 7. Receiver Propagation Delays
Figure 8. Receiver Enable and Disable Times
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相關代理商/技術參數(shù)
參數(shù)描述
MAX3291ESD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3291ESD+T 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3291ESD-T 功能描述:RS-422/RS-485 接口 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3292CPD 功能描述:RS-422/RS-485 接口 IC 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3292CPD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube