參數(shù)資料
型號： MAX3291ESD
廠商： Maxim Integrated Products
文件頁數(shù)： 11/16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(qū)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
4
_______________________________________________________________________________________
SWITCHING CHARACTERISTICS (continued)
(Typical Operating Circuit, VCC = +5V ±5%, RPSET = 0 (MAX3292), VCC = VCCD (MAX3292), TA = +25°C, unless otherwise noted.
Typical values are at VCC = +5V and TA = +25°C.)
Note 1: All currents into the device are positive; all currents out of the device are negative. All voltages are referenced to device
ground unless otherwise noted.
Note 2: Guaranteed by design.
Note 3: DPER is defined as (VODP / VOD).
Note 4:
VODP and VOC are the changes in VDD and VOC, respectively, when the DI input changes. This specification reflects
constant operating conditions. When operating conditions shift, the maximum value may be momentarily exceeded.
Note 5:
VODP and VOC are the changes in VOD and VOC, respectively, when the DI input changes state.
Note 6: Maximum current level applies to peak current just prior to foldback-current limiting; minimum current level applies during
current limiting.
Note 7: Shutdown is enabled by bringing RE high and DE low. If the enable inputs are in this state for less than 50ns, the device is
guaranteed not to enter shutdown. If the enable inputs are in this state for at least 500ns, the device is guaranteed to have
entered shutdown. Time to shutdown for the device (tSHDN) is measured by monitoring R0 as in Figure 4.
Figures 2 and 6, S2 closed, RL = 500,
CL = 100pF
Figures 2 and 6, RL = 500, CL = 100pF,
S2 closed
CONDITIONS
ns
6000
8750
tDZH(SHDN)
Driver Enable from Shutdown
to Output High
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Figures 4 and 11 (Note 7)
ns
50
160
500
tSHDN
Time to Shutdown
Figures 2 and 8, RL = 1k, CL = 100pF,
S1 closed
ns
343
55
tRZL
Receiver Enable to Output
Low
Figures 2 and 8, RL = 1k, CL = 15pF,
S1 closed
ns
Figures 2 and 8, RL = 1k, CL = 100pF,
S2 closed
25
45
tRLZ
Receiver Disable Time from
Low
ns
343
55
tRZH
Receiver Enable to Output
High
Figures 2 and 8, RL = 1k, CL = 15pF,
S2 closed
ns
25
45
tRHZ
Receiver Disable Time from
High
Figures 2 and 6, RL = 500, CL = 100pF,
S1 closed
ns
6000
8750
tDZL(SHDN)
Driver Enable from Shutdown
to Output Low
Figures 2 and 8, RL = 1k, CL = 100pF,
S1 closed
ns
30
1500
tRZL(SHDN)
Receiver Enable from
Shutdown to Output Low
Figures 2 and 8, RL = 1k, CL = 100pF,
S2 closed
ns
850
1500
tRZH(SHDN)
Receiver Enable from
Shutdown to Output High
Figures 7 and 9, CL = 100pF
ns
3
tRSKEW
Receiver Output Skew
tRPLH - tRPHL
Driver Enable to Output High
tDZH
72
105
Figures 7 and 9, CL = 50pF, VID = 2V,
VCM = 0
Receiver Propagation Delay
tRPHL
52
85
ns
49
85
tRPLH
Figures 2 and 6, S2 closed, RL = 500,
CL = 15pF
Driver Disable Time from High
tDHZ
71
100
ns
Figures 2 and 6, S1 closed, RL = 500,
CL = 15pF
Driver Disable Time from Low
tDLZ
53
100
ns
Figures 2 and 6, S1 closed, RL = 500,
CL = 100pF
Driver Enable to Output Low
tDZL
55
105
ns
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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
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