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參數(shù)資料
型號： MAX490ESA+
廠商： Maxim Integrated Products
文件頁數(shù)： 12/17頁
文件大?。?/td> 0K
描述： IC TXRX RS485/RS422 8-SOIC
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 100
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： 8-SOIC（0.154"，3.90mm 寬）
供應商設備封裝： 8-SOIC
包裝： 管件
產品目錄頁面： 1402 (CN2011-ZH PDF)
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX483, MAX487/MAX488/MAX489
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
SWITCHING CHARACTERISTICS—MAX481/MAX485, MAX490/MAX491, MAX1487 (continued)
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
300
1000
Figures 7 and 9, CL = 100pF, S2 closed
Figures 7 and 9, CL = 100pF, S1 closed
Figures 5 and 11, CL = 15pF, S2 closed,
A - B = 2V
CONDITIONS
ns
40
100
tZH(SHDN)
Driver Enable from Shutdown to
Output High (MAX481)
ns
Figures 5 and 11, CL = 15pF, S1 closed,
B - A = 2V
tZL(SHDN)
Receiver Enable from Shutdown
to Output Low (MAX481)
ns
40
100
tZL(SHDN)
Driver Enable from Shutdown to
Output Low (MAX481)
ns
300
1000
tZH(SHDN)
Receiver Enable from Shutdown
to Output High (MAX481)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
tPLH
tSKEW
Figures 6 and 8, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
tPHL
Figures 6 and 8, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
Driver Input to Output
Driver Output Skew to Output
ns
100
800
ns
2000
MAX483/MAX487, Figures 7 and 9,
CL = 100pF, S2 closed
tZH(SHDN)
Driver Enable from Shutdown to
Output High
250
2000
ns
2500
MAX483/MAX487, Figures 5 and 11,
CL = 15pF, S1 closed
tZL(SHDN)
Receiver Enable from Shutdown
to Output Low
ns
2500
MAX483/MAX487, Figures 5 and 11,
CL = 15pF, S2 closed
tZH(SHDN)
Receiver Enable from Shutdown
to Output High
ns
2000
MAX483/MAX487, Figures 7 and 9,
CL = 100pF, S1 closed
tZL(SHDN)
Driver Enable from Shutdown to
Output Low
ns
50
200
600
MAX483/MAX487 (Note 5)
tSHDN
Time to Shutdown
tPHL
tPLH, tPHL < 50% of data period
Figures 5 and 11, CRL = 15pF, S2 closed
Figures 5 and 11, CRL = 15pF, S1 closed
Figures 5 and 11, CRL = 15pF, S2 closed
Figures 5 and 11, CRL = 15pF, S1 closed
Figures 7 and 9, CL = 15pF, S2 closed
Figures 6 and 10, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
Figures 7 and 9, CL = 15pF, S1 closed
Figures 7 and 9, CL = 100pF, S1 closed
Figures 7 and 9, CL = 100pF, S2 closed
CONDITIONS
kbps
250
fMAX
250
800
2000
Maximum Data Rate
ns
20
50
tHZ
Receiver Disable Time from High
ns
250
800
2000
20
50
tLZ
Receiver Disable Time from Low
ns
20
50
tZH
Receiver Enable to Output High
ns
20
50
tZL
Receiver Enable to Output Low
ns
100
300
3000
tHZ
tSKD
Driver Disable Time from High
I tPLH - tPHL I Differential
Receiver Skew
Figures 6 and 10, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
ns
300
3000
tLZ
Driver Disable Time from Low
ns
250
2000
tZL
Driver Enable to Output Low
ns
Figures 6 and 8, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
ns
250
2000
tR, tF
250
2000
Driver Rise or Fall Time
ns
tPLH
Receiver Input to Output
250
2000
tZH
Driver Enable to Output High
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
MAX481/MAX483/MAX485/
MAX487–MAX491/MAX1487
4
Maxim Integrated
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相關代理商/技術參數(shù)
參數(shù)描述
MAX490ESA+ 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver 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
MAX490ESA+T 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver 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
MAX490ESA-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
MAX490MJA 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
MAX490MJA/883B 制造商:Maxim Integrated Products 功能描述:SLEW-RATE LIMITED, LOW-POWER RS-485 TRANCEIVERS - Rail/Tube 制造商:Maxim Integrated Products 功能描述:STEP-DOWN DC-DC CONVERTERS
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