參數(shù)資料
型號： MAX490ECSA
廠商： Maxim Integrated Products
文件頁數(shù)： 10/16頁
文件大?。?/td> 0K
描述： IC TXRX RS485/RS422 LOWPWR 8SOIC
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
±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
mA
795
0V
≤ VO ≤ VCC
IOSR
Receiver Short-Circuit Current
mA
35
250
-7V
≤ VO ≤12V (Note 4)
IOSD2
Driver Short-Circuit Current,
VO = Low
mA
35
250
-7V
≤ VO ≤12V (Note 4)
IOSD1
Driver Short-Circuit Current,
VO = High
MAX1487E,
–
R
—
E
–
= 0V or VCC
250
400
350
650
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
230
400
300
500
MAX481E/MAX485E,
–
R
—
E
–
= 0V or VCC
500
900
MAX490E/MAX491E,
DE, DI,
–
R
—
E
–
= 0V or VCC
300
500
MAX488E/MAX489E,
DE, DI,
–
R
—
E
–
= 0V or VCC
120
250
DE = VCC
300
500
DE = 0V
DE = VCC
DE = 0V
A
MAX481E/483E/487E, DE = 0V,
–
R
—
E
–
= VCC
0.5
10
ISHDN
Supply Current in Shutdown
120
250
ICC
No-Load Supply Current
(Note 3)
DE = VCC
DE = 0V
MAX483E
MAX487E
MAX483E/MAX487E,
–
R
—
E
–
= 0V or VCC
A
520
25
MAX490EC/E, MAX491EC/E
MAX481E,MAX485E,MAX1487E
Driver Rise or Fall Time
tR, tF
320
40
Figures 10 and 12,
RDIFF = 54
Ω,
CL1 = CL2 = 100pF
MAX490EC/E, MAX491EC/E
Figures 11 and 13, CL = 15pF, S2 closed
Figures 11 and 13, CL = 15pF, S1 closed
Figures 11 and 13, CL = 100pF, S1 closed
Figures 11 and 13, CL = 100pF, S2 closed
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Driver Enable to Output High
tZH
45
70
Receiver Input to Output
tPLH, tPHL
Driver Output Skew to Output
ns
Driver Enable to Output Low
tZL
45
70
ns
Driver Disable Time from Low
tLZ
45
70
ns
| tPLH - tPHL | Differential
Receiver Skew
Driver Disable Time from High
tSKD
tHZ
45
70
5
ns
20
60
200
Receiver Enable to Output Low
tZL
20
50
ns
Receiver Enable to Output High
Driver Input to Output
tZH
20
50
ns
Receiver Disable Time from Low
tLZ
20
50
tPLH
10
40
60
ns
Receiver Disable Time from High
tHZ
20
50
Mbps
Maximum Data Rate
fMAX
2.5
ns
Time to Shutdown
tSHDN
50
200
600
tSKEW
510
ns
CONDITIONS
Figures 10 and 14,
RDIFF = 54
Ω,
CL1 = CL2 = 100pF
Figures 10 and 14, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
Figures 9 and 15, CRL = 15pF, S1 closed
Figures 9 and 15, CRL = 15pF, S2 closed
Figures 9 and 15, CRL = 15pF, S1 closed
Figures 9 and 15, CRL = 15pF, S2 closed
MAX481E (Note 5)
Figures 10 and 12, RDIFF = 54
Ω,
CL1 = CL2 = 100pF
MAX481E,MAX485E,MAX1487E
ns
Figures 10 and 12, RDIFF = 54
Ω, CL1 = CL2 = 100pF
tPHL
10
40
60
ns
20
60
150
ns
kV
±15
A, B, Y and Z pins, tested using Human Body Model
ESD Protection
MAX481E/MAX483E/MAX485E/
MAX487E–MAX491E/MAX1487E
Maxim Integrated
3
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相關代理商/技術參數(shù)
參數(shù)描述
MAX490ECSA+ 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
MAX490ECSA+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
MAX490ECSA-G071 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
MAX490ECSA-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
MAX490ECSA-TG071 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
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